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-rw-r--r--include/drm/amd_asic_type.h1
-rw-r--r--include/drm/bridge/analogix_dp.h20
-rw-r--r--include/drm/bridge/dw_hdmi.h24
-rw-r--r--include/drm/bridge/dw_mipi_dsi.h17
-rw-r--r--include/drm/drmP.h197
-rw-r--r--include/drm/drm_atomic.h65
-rw-r--r--include/drm/drm_atomic_helper.h6
-rw-r--r--include/drm/drm_bridge.h35
-rw-r--r--include/drm/drm_cache.h2
-rw-r--r--include/drm/drm_color_mgmt.h31
-rw-r--r--include/drm/drm_connector.h76
-rw-r--r--include/drm/drm_crtc_helper.h1
-rw-r--r--include/drm/drm_device.h9
-rw-r--r--include/drm/drm_dp_helper.h67
-rw-r--r--include/drm/drm_drv.h23
-rw-r--r--include/drm/drm_edid.h2
-rw-r--r--include/drm/drm_encoder.h6
-rw-r--r--include/drm/drm_fb_cma_helper.h13
-rw-r--r--include/drm/drm_fb_helper.h57
-rw-r--r--include/drm/drm_file.h2
-rw-r--r--include/drm/drm_fourcc.h2
-rw-r--r--include/drm/drm_framebuffer.h8
-rw-r--r--include/drm/drm_gem.h15
-rw-r--r--include/drm/drm_gem_cma_helper.h16
-rw-r--r--include/drm/drm_hdcp.h41
-rw-r--r--include/drm/drm_mm.h2
-rw-r--r--include/drm/drm_mode_config.h39
-rw-r--r--include/drm/drm_mode_object.h24
-rw-r--r--include/drm/drm_modes.h24
-rw-r--r--include/drm/drm_modeset_helper.h3
-rw-r--r--include/drm/drm_modeset_helper_vtables.h3
-rw-r--r--include/drm/drm_plane.h46
-rw-r--r--include/drm/drm_plane_helper.h6
-rw-r--r--include/drm/drm_prime.h22
-rw-r--r--include/drm/drm_print.h218
-rw-r--r--include/drm/drm_property.h26
-rw-r--r--include/drm/drm_simple_kms_helper.h53
-rw-r--r--include/drm/drm_syncobj.h36
-rw-r--r--include/drm/drm_utils.h15
-rw-r--r--include/drm/drm_vblank.h20
-rw-r--r--include/drm/drm_vma_manager.h2
-rw-r--r--include/drm/gpu_scheduler.h173
-rw-r--r--include/drm/gpu_scheduler_trace.h82
-rw-r--r--include/drm/i915_component.h3
-rw-r--r--include/drm/i915_drm.h3
-rw-r--r--include/drm/i915_pciids.h69
-rw-r--r--include/drm/intel-gtt.h3
-rw-r--r--include/drm/spsc_queue.h122
-rw-r--r--include/drm/tinydrm/ili9341.h54
-rw-r--r--include/drm/tinydrm/mipi-dbi.h9
-rw-r--r--include/drm/tinydrm/tinydrm-helpers.h4
-rw-r--r--include/drm/tinydrm/tinydrm.h8
-rw-r--r--include/drm/ttm/ttm_bo_api.h187
-rw-r--r--include/drm/ttm/ttm_bo_driver.h365
-rw-r--r--include/drm/ttm/ttm_memory.h80
-rw-r--r--include/drm/ttm/ttm_page_alloc.h11
-rw-r--r--include/drm/ttm/ttm_tt.h272
57 files changed, 1804 insertions, 916 deletions
diff --git a/include/drm/amd_asic_type.h b/include/drm/amd_asic_type.h
index 599028f66585..6c731c52c071 100644
--- a/include/drm/amd_asic_type.h
+++ b/include/drm/amd_asic_type.h
@@ -45,6 +45,7 @@ enum amd_asic_type {
CHIP_POLARIS11,
CHIP_POLARIS12,
CHIP_VEGA10,
+ CHIP_VEGA12,
CHIP_RAVEN,
CHIP_LAST,
};
diff --git a/include/drm/bridge/analogix_dp.h b/include/drm/bridge/analogix_dp.h
index c99d6eaef1ac..e9a1116d2f8e 100644
--- a/include/drm/bridge/analogix_dp.h
+++ b/include/drm/bridge/analogix_dp.h
@@ -13,6 +13,8 @@
#include <drm/drm_crtc.h>
+struct analogix_dp_device;
+
enum analogix_dp_devtype {
EXYNOS_DP,
RK3288_DP,
@@ -29,6 +31,7 @@ struct analogix_dp_plat_data {
struct drm_panel *panel;
struct drm_encoder *encoder;
struct drm_connector *connector;
+ bool skip_connector;
int (*power_on)(struct analogix_dp_plat_data *);
int (*power_off)(struct analogix_dp_plat_data *);
@@ -38,16 +41,17 @@ struct analogix_dp_plat_data {
struct drm_connector *);
};
-int analogix_dp_psr_supported(struct device *dev);
-int analogix_dp_enable_psr(struct device *dev);
-int analogix_dp_disable_psr(struct device *dev);
+int analogix_dp_psr_enabled(struct analogix_dp_device *dp);
+int analogix_dp_enable_psr(struct analogix_dp_device *dp);
+int analogix_dp_disable_psr(struct analogix_dp_device *dp);
-int analogix_dp_resume(struct device *dev);
-int analogix_dp_suspend(struct device *dev);
+int analogix_dp_resume(struct analogix_dp_device *dp);
+int analogix_dp_suspend(struct analogix_dp_device *dp);
-int analogix_dp_bind(struct device *dev, struct drm_device *drm_dev,
- struct analogix_dp_plat_data *plat_data);
-void analogix_dp_unbind(struct device *dev, struct device *master, void *data);
+struct analogix_dp_device *
+analogix_dp_bind(struct device *dev, struct drm_device *drm_dev,
+ struct analogix_dp_plat_data *plat_data);
+void analogix_dp_unbind(struct analogix_dp_device *dp);
int analogix_dp_start_crc(struct drm_connector *connector);
int analogix_dp_stop_crc(struct drm_connector *connector);
diff --git a/include/drm/bridge/dw_hdmi.h b/include/drm/bridge/dw_hdmi.h
index 182f83283e24..dd2a8cf7d20b 100644
--- a/include/drm/bridge/dw_hdmi.h
+++ b/include/drm/bridge/dw_hdmi.h
@@ -143,12 +143,13 @@ struct dw_hdmi_plat_data {
unsigned long mpixelclock);
};
-int dw_hdmi_probe(struct platform_device *pdev,
- const struct dw_hdmi_plat_data *plat_data);
-void dw_hdmi_remove(struct platform_device *pdev);
-void dw_hdmi_unbind(struct device *dev);
-int dw_hdmi_bind(struct platform_device *pdev, struct drm_encoder *encoder,
- const struct dw_hdmi_plat_data *plat_data);
+struct dw_hdmi *dw_hdmi_probe(struct platform_device *pdev,
+ const struct dw_hdmi_plat_data *plat_data);
+void dw_hdmi_remove(struct dw_hdmi *hdmi);
+void dw_hdmi_unbind(struct dw_hdmi *hdmi);
+struct dw_hdmi *dw_hdmi_bind(struct platform_device *pdev,
+ struct drm_encoder *encoder,
+ const struct dw_hdmi_plat_data *plat_data);
void dw_hdmi_setup_rx_sense(struct device *dev, bool hpd, bool rx_sense);
@@ -157,7 +158,18 @@ void dw_hdmi_audio_enable(struct dw_hdmi *hdmi);
void dw_hdmi_audio_disable(struct dw_hdmi *hdmi);
/* PHY configuration */
+void dw_hdmi_phy_i2c_set_addr(struct dw_hdmi *hdmi, u8 address);
void dw_hdmi_phy_i2c_write(struct dw_hdmi *hdmi, unsigned short data,
unsigned char addr);
+void dw_hdmi_phy_gen2_pddq(struct dw_hdmi *hdmi, u8 enable);
+void dw_hdmi_phy_gen2_txpwron(struct dw_hdmi *hdmi, u8 enable);
+void dw_hdmi_phy_reset(struct dw_hdmi *hdmi);
+
+enum drm_connector_status dw_hdmi_phy_read_hpd(struct dw_hdmi *hdmi,
+ void *data);
+void dw_hdmi_phy_update_hpd(struct dw_hdmi *hdmi, void *data,
+ bool force, bool disabled, bool rxsense);
+void dw_hdmi_phy_setup_hpd(struct dw_hdmi *hdmi, void *data);
+
#endif /* __IMX_HDMI_H__ */
diff --git a/include/drm/bridge/dw_mipi_dsi.h b/include/drm/bridge/dw_mipi_dsi.h
index 9b30fec302c8..d9c6d549f971 100644
--- a/include/drm/bridge/dw_mipi_dsi.h
+++ b/include/drm/bridge/dw_mipi_dsi.h
@@ -10,6 +10,8 @@
#ifndef __DW_MIPI_DSI__
#define __DW_MIPI_DSI__
+struct dw_mipi_dsi;
+
struct dw_mipi_dsi_phy_ops {
int (*init)(void *priv_data);
int (*get_lane_mbps)(void *priv_data, struct drm_display_mode *mode,
@@ -29,11 +31,14 @@ struct dw_mipi_dsi_plat_data {
void *priv_data;
};
-int dw_mipi_dsi_probe(struct platform_device *pdev,
- const struct dw_mipi_dsi_plat_data *plat_data);
-void dw_mipi_dsi_remove(struct platform_device *pdev);
-int dw_mipi_dsi_bind(struct platform_device *pdev, struct drm_encoder *encoder,
- const struct dw_mipi_dsi_plat_data *plat_data);
-void dw_mipi_dsi_unbind(struct device *dev);
+struct dw_mipi_dsi *dw_mipi_dsi_probe(struct platform_device *pdev,
+ const struct dw_mipi_dsi_plat_data
+ *plat_data);
+void dw_mipi_dsi_remove(struct dw_mipi_dsi *dsi);
+struct dw_mipi_dsi *dw_mipi_dsi_bind(struct platform_device *pdev,
+ struct drm_encoder *encoder,
+ const struct dw_mipi_dsi_plat_data
+ *plat_data);
+void dw_mipi_dsi_unbind(struct dw_mipi_dsi *dsi);
#endif /* __DW_MIPI_DSI__ */
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 59be1232d005..c6666cd09347 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -75,6 +75,7 @@
#include <drm/drm_sarea.h>
#include <drm/drm_drv.h>
#include <drm/drm_prime.h>
+#include <drm/drm_print.h>
#include <drm/drm_pci.h>
#include <drm/drm_file.h>
#include <drm/drm_debugfs.h>
@@ -94,212 +95,16 @@ struct dma_buf_attachment;
struct pci_dev;
struct pci_controller;
-/*
- * The following categories are defined:
- *
- * CORE: Used in the generic drm code: drm_ioctl.c, drm_mm.c, drm_memory.c, ...
- * This is the category used by the DRM_DEBUG() macro.
- *
- * DRIVER: Used in the vendor specific part of the driver: i915, radeon, ...
- * This is the category used by the DRM_DEBUG_DRIVER() macro.
- *
- * KMS: used in the modesetting code.
- * This is the category used by the DRM_DEBUG_KMS() macro.
- *
- * PRIME: used in the prime code.
- * This is the category used by the DRM_DEBUG_PRIME() macro.
- *
- * ATOMIC: used in the atomic code.
- * This is the category used by the DRM_DEBUG_ATOMIC() macro.
- *
- * VBL: used for verbose debug message in the vblank code
- * This is the category used by the DRM_DEBUG_VBL() macro.
- *
- * Enabling verbose debug messages is done through the drm.debug parameter,
- * each category being enabled by a bit.
- *
- * drm.debug=0x1 will enable CORE messages
- * drm.debug=0x2 will enable DRIVER messages
- * drm.debug=0x3 will enable CORE and DRIVER messages
- * ...
- * drm.debug=0x3f will enable all messages
- *
- * An interesting feature is that it's possible to enable verbose logging at
- * run-time by echoing the debug value in its sysfs node:
- * # echo 0xf > /sys/module/drm/parameters/debug
- */
-#define DRM_UT_NONE 0x00
-#define DRM_UT_CORE 0x01
-#define DRM_UT_DRIVER 0x02
-#define DRM_UT_KMS 0x04
-#define DRM_UT_PRIME 0x08
-#define DRM_UT_ATOMIC 0x10
-#define DRM_UT_VBL 0x20
-#define DRM_UT_STATE 0x40
-#define DRM_UT_LEASE 0x80
-
/***********************************************************************/
/** \name DRM template customization defaults */
/*@{*/
/***********************************************************************/
-/** \name Macros to make printk easier */
-/*@{*/
-
-#define _DRM_PRINTK(once, level, fmt, ...) \
- do { \
- printk##once(KERN_##level "[" DRM_NAME "] " fmt, \
- ##__VA_ARGS__); \
- } while (0)
-
-#define DRM_INFO(fmt, ...) \
- _DRM_PRINTK(, INFO, fmt, ##__VA_ARGS__)
-#define DRM_NOTE(fmt, ...) \
- _DRM_PRINTK(, NOTICE, fmt, ##__VA_ARGS__)
-#define DRM_WARN(fmt, ...) \
- _DRM_PRINTK(, WARNING, fmt, ##__VA_ARGS__)
-
-#define DRM_INFO_ONCE(fmt, ...) \
- _DRM_PRINTK(_once, INFO, fmt, ##__VA_ARGS__)
-#define DRM_NOTE_ONCE(fmt, ...) \
- _DRM_PRINTK(_once, NOTICE, fmt, ##__VA_ARGS__)
-#define DRM_WARN_ONCE(fmt, ...) \
- _DRM_PRINTK(_once, WARNING, fmt, ##__VA_ARGS__)
-
-/**
- * Error output.
- *
- * \param fmt printf() like format string.
- * \param arg arguments
- */
-#define DRM_DEV_ERROR(dev, fmt, ...) \
- drm_dev_printk(dev, KERN_ERR, DRM_UT_NONE, __func__, " *ERROR*",\
- fmt, ##__VA_ARGS__)
-#define DRM_ERROR(fmt, ...) \
- drm_printk(KERN_ERR, DRM_UT_NONE, fmt, ##__VA_ARGS__)
-
-/**
- * Rate limited error output. Like DRM_ERROR() but won't flood the log.
- *
- * \param fmt printf() like format string.
- * \param arg arguments
- */
-#define DRM_DEV_ERROR_RATELIMITED(dev, fmt, ...) \
-({ \
- static DEFINE_RATELIMIT_STATE(_rs, \
- DEFAULT_RATELIMIT_INTERVAL, \
- DEFAULT_RATELIMIT_BURST); \
- \
- if (__ratelimit(&_rs)) \
- DRM_DEV_ERROR(dev, fmt, ##__VA_ARGS__); \
-})
-#define DRM_ERROR_RATELIMITED(fmt, ...) \
- DRM_DEV_ERROR_RATELIMITED(NULL, fmt, ##__VA_ARGS__)
-
-#define DRM_DEV_INFO(dev, fmt, ...) \
- drm_dev_printk(dev, KERN_INFO, DRM_UT_NONE, __func__, "", fmt, \
- ##__VA_ARGS__)
-
-#define DRM_DEV_INFO_ONCE(dev, fmt, ...) \
-({ \
- static bool __print_once __read_mostly; \
- if (!__print_once) { \
- __print_once = true; \
- DRM_DEV_INFO(dev, fmt, ##__VA_ARGS__); \
- } \
-})
-
-/**
- * Debug output.
- *
- * \param fmt printf() like format string.
- * \param arg arguments
- */
-#define DRM_DEV_DEBUG(dev, fmt, args...) \
- drm_dev_printk(dev, KERN_DEBUG, DRM_UT_CORE, __func__, "", fmt, \
- ##args)
-#define DRM_DEBUG(fmt, ...) \
- drm_printk(KERN_DEBUG, DRM_UT_CORE, fmt, ##__VA_ARGS__)
-
-#define DRM_DEV_DEBUG_DRIVER(dev, fmt, args...) \
- drm_dev_printk(dev, KERN_DEBUG, DRM_UT_DRIVER, __func__, "", \
- fmt, ##args)
-#define DRM_DEBUG_DRIVER(fmt, ...) \
- drm_printk(KERN_DEBUG, DRM_UT_DRIVER, fmt, ##__VA_ARGS__)
-
-#define DRM_DEV_DEBUG_KMS(dev, fmt, args...) \
- drm_dev_printk(dev, KERN_DEBUG, DRM_UT_KMS, __func__, "", fmt, \
- ##args)
-#define DRM_DEBUG_KMS(fmt, ...) \
- drm_printk(KERN_DEBUG, DRM_UT_KMS, fmt, ##__VA_ARGS__)
-
-#define DRM_DEV_DEBUG_PRIME(dev, fmt, args...) \
- drm_dev_printk(dev, KERN_DEBUG, DRM_UT_PRIME, __func__, "", \
- fmt, ##args)
-#define DRM_DEBUG_PRIME(fmt, ...) \
- drm_printk(KERN_DEBUG, DRM_UT_PRIME, fmt, ##__VA_ARGS__)
-
-#define DRM_DEV_DEBUG_ATOMIC(dev, fmt, args...) \
- drm_dev_printk(dev, KERN_DEBUG, DRM_UT_ATOMIC, __func__, "", \
- fmt, ##args)
-#define DRM_DEBUG_ATOMIC(fmt, ...) \
- drm_printk(KERN_DEBUG, DRM_UT_ATOMIC, fmt, ##__VA_ARGS__)
-
-#define DRM_DEV_DEBUG_VBL(dev, fmt, args...) \
- drm_dev_printk(dev, KERN_DEBUG, DRM_UT_VBL, __func__, "", fmt, \
- ##args)
-#define DRM_DEBUG_VBL(fmt, ...) \
- drm_printk(KERN_DEBUG, DRM_UT_VBL, fmt, ##__VA_ARGS__)
-
-#define DRM_DEBUG_LEASE(fmt, ...) \
- drm_printk(KERN_DEBUG, DRM_UT_LEASE, fmt, ##__VA_ARGS__)
-
-#define _DRM_DEV_DEFINE_DEBUG_RATELIMITED(dev, level, fmt, args...) \
-({ \
- static DEFINE_RATELIMIT_STATE(_rs, \
- DEFAULT_RATELIMIT_INTERVAL, \
- DEFAULT_RATELIMIT_BURST); \
- if (__ratelimit(&_rs)) \
- drm_dev_printk(dev, KERN_DEBUG, DRM_UT_ ## level, \
- __func__, "", fmt, ##args); \
-})
-
-/**
- * Rate limited debug output. Like DRM_DEBUG() but won't flood the log.
- *
- * \param fmt printf() like format string.
- * \param arg arguments
- */
-#define DRM_DEV_DEBUG_RATELIMITED(dev, fmt, args...) \
- DEV__DRM_DEFINE_DEBUG_RATELIMITED(dev, CORE, fmt, ##args)
-#define DRM_DEBUG_RATELIMITED(fmt, args...) \
- DRM_DEV_DEBUG_RATELIMITED(NULL, fmt, ##args)
-#define DRM_DEV_DEBUG_DRIVER_RATELIMITED(dev, fmt, args...) \
- _DRM_DEV_DEFINE_DEBUG_RATELIMITED(dev, DRIVER, fmt, ##args)
-#define DRM_DEBUG_DRIVER_RATELIMITED(fmt, args...) \
- DRM_DEV_DEBUG_DRIVER_RATELIMITED(NULL, fmt, ##args)
-#define DRM_DEV_DEBUG_KMS_RATELIMITED(dev, fmt, args...) \
- _DRM_DEV_DEFINE_DEBUG_RATELIMITED(dev, KMS, fmt, ##args)
-#define DRM_DEBUG_KMS_RATELIMITED(fmt, args...) \
- DRM_DEV_DEBUG_KMS_RATELIMITED(NULL, fmt, ##args)
-#define DRM_DEV_DEBUG_PRIME_RATELIMITED(dev, fmt, args...) \
- _DRM_DEV_DEFINE_DEBUG_RATELIMITED(dev, PRIME, fmt, ##args)
-#define DRM_DEBUG_PRIME_RATELIMITED(fmt, args...) \
- DRM_DEV_DEBUG_PRIME_RATELIMITED(NULL, fmt, ##args)
-
-/* Format strings and argument splitters to simplify printing
- * various "complex" objects
- */
-
-/*@}*/
-
-/***********************************************************************/
/** \name Internal types and structures */
/*@{*/
#define DRM_IF_VERSION(maj, min) (maj << 16 | min)
-
/**
* drm_drv_uses_atomic_modeset - check if the driver implements
* atomic_commit()
diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h
index 5afd6e364fb6..a57a8aa90ffb 100644
--- a/include/drm/drm_atomic.h
+++ b/include/drm/drm_atomic.h
@@ -134,6 +134,15 @@ struct drm_crtc_commit {
* &drm_pending_vblank_event pointer to clean up private events.
*/
struct drm_pending_vblank_event *event;
+
+ /**
+ * @abort_completion:
+ *
+ * A flag that's set after drm_atomic_helper_setup_commit takes a second
+ * reference for the completion of $drm_crtc_state.event. It's used by
+ * the free code to remove the second reference if commit fails.
+ */
+ bool abort_completion;
};
struct __drm_planes_state {
@@ -145,7 +154,7 @@ struct __drm_crtcs_state {
struct drm_crtc *ptr;
struct drm_crtc_state *state, *old_state, *new_state;
s32 __user *out_fence_ptr;
- unsigned last_vblank_count;
+ u64 last_vblank_count;
};
struct __drm_connnectors_state {
@@ -189,12 +198,40 @@ struct drm_private_state_funcs {
struct drm_private_state *state);
};
+/**
+ * struct drm_private_obj - base struct for driver private atomic object
+ *
+ * A driver private object is initialized by calling
+ * drm_atomic_private_obj_init() and cleaned up by calling
+ * drm_atomic_private_obj_fini().
+ *
+ * Currently only tracks the state update functions and the opaque driver
+ * private state itself, but in the future might also track which
+ * &drm_modeset_lock is required to duplicate and update this object's state.
+ */
struct drm_private_obj {
+ /**
+ * @state: Current atomic state for this driver private object.
+ */
struct drm_private_state *state;
+ /**
+ * @funcs:
+ *
+ * Functions to manipulate the state of this driver private object, see
+ * &drm_private_state_funcs.
+ */
const struct drm_private_state_funcs *funcs;
};
+/**
+ * struct drm_private_state - base struct for driver private object state
+ * @state: backpointer to global drm_atomic_state
+ *
+ * Currently only contains a backpointer to the overall atomic update, but in
+ * the future also might hold synchronization information similar to e.g.
+ * &drm_crtc.commit.
+ */
struct drm_private_state {
struct drm_atomic_state *state;
};
@@ -218,6 +255,10 @@ struct __drm_private_objs_state {
* @num_private_objs: size of the @private_objs array
* @private_objs: pointer to array of private object pointers
* @acquire_ctx: acquire context for this atomic modeset state update
+ *
+ * States are added to an atomic update by calling drm_atomic_get_crtc_state(),
+ * drm_atomic_get_plane_state(), drm_atomic_get_connector_state(), or for
+ * private state structures, drm_atomic_get_private_obj_state().
*/
struct drm_atomic_state {
struct kref ref;
@@ -713,6 +754,28 @@ void drm_state_dump(struct drm_device *dev, struct drm_printer *p);
(new_plane_state) = (__state)->planes[__i].new_state, 1))
/**
+ * for_each_oldnew_plane_in_state_reverse - iterate over all planes in an atomic
+ * update in reverse order
+ * @__state: &struct drm_atomic_state pointer
+ * @plane: &struct drm_plane iteration cursor
+ * @old_plane_state: &struct drm_plane_state iteration cursor for the old state
+ * @new_plane_state: &struct drm_plane_state iteration cursor for the new state
+ * @__i: int iteration cursor, for macro-internal use
+ *
+ * This iterates over all planes in an atomic update in reverse order,
+ * tracking both old and new state. This is useful in places where the
+ * state delta needs to be considered, for example in atomic check functions.
+ */
+#define for_each_oldnew_plane_in_state_reverse(__state, plane, old_plane_state, new_plane_state, __i) \
+ for ((__i) = ((__state)->dev->mode_config.num_total_plane - 1); \
+ (__i) >= 0; \
+ (__i)--) \
+ for_each_if ((__state)->planes[__i].ptr && \
+ ((plane) = (__state)->planes[__i].ptr, \
+ (old_plane_state) = (__state)->planes[__i].old_state,\
+ (new_plane_state) = (__state)->planes[__i].new_state, 1))
+
+/**
* for_each_old_plane_in_state - iterate over all planes in an atomic update
* @__state: &struct drm_atomic_state pointer
* @plane: &struct drm_plane iteration cursor
diff --git a/include/drm/drm_atomic_helper.h b/include/drm/drm_atomic_helper.h
index d2b56cc657e9..26aaba58d6ce 100644
--- a/include/drm/drm_atomic_helper.h
+++ b/include/drm/drm_atomic_helper.h
@@ -38,6 +38,12 @@ struct drm_private_state;
int drm_atomic_helper_check_modeset(struct drm_device *dev,
struct drm_atomic_state *state);
+int drm_atomic_helper_check_plane_state(struct drm_plane_state *plane_state,
+ const struct drm_crtc_state *crtc_state,
+ int min_scale,
+ int max_scale,
+ bool can_position,
+ bool can_update_disabled);
int drm_atomic_helper_check_planes(struct drm_device *dev,
struct drm_atomic_state *state);
int drm_atomic_helper_check(struct drm_device *dev,
diff --git a/include/drm/drm_bridge.h b/include/drm/drm_bridge.h
index 682d01ba920c..3270fec46979 100644
--- a/include/drm/drm_bridge.h
+++ b/include/drm/drm_bridge.h
@@ -29,6 +29,7 @@
#include <drm/drm_modes.h>
struct drm_bridge;
+struct drm_bridge_timings;
struct drm_panel;
/**
@@ -90,7 +91,7 @@ struct drm_bridge_funcs {
*
* drm_mode_status Enum
*/
- enum drm_mode_status (*mode_valid)(struct drm_bridge *crtc,
+ enum drm_mode_status (*mode_valid)(struct drm_bridge *bridge,
const struct drm_display_mode *mode);
/**
@@ -223,12 +224,43 @@ struct drm_bridge_funcs {
};
/**
+ * struct drm_bridge_timings - timing information for the bridge
+ */
+struct drm_bridge_timings {
+ /**
+ * @sampling_edge:
+ *
+ * Tells whether the bridge samples the digital input signal
+ * from the display engine on the positive or negative edge of the
+ * clock, this should reuse the DRM_BUS_FLAG_PIXDATA_[POS|NEG]EDGE
+ * bitwise flags from the DRM connector (bit 2 and 3 valid).
+ */
+ u32 sampling_edge;
+ /**
+ * @setup_time_ps:
+ *
+ * Defines the time in picoseconds the input data lines must be
+ * stable before the clock edge.
+ */
+ u32 setup_time_ps;
+ /**
+ * @hold_time_ps:
+ *
+ * Defines the time in picoseconds taken for the bridge to sample the
+ * input signal after the clock edge.
+ */
+ u32 hold_time_ps;
+};
+
+/**
* struct drm_bridge - central DRM bridge control structure
* @dev: DRM device this bridge belongs to
* @encoder: encoder to which this bridge is connected
* @next: the next bridge in the encoder chain
* @of_node: device node pointer to the bridge
* @list: to keep track of all added bridges
+ * @timings: the timing specification for the bridge, if any (may
+ * be NULL)
* @funcs: control functions
* @driver_private: pointer to the bridge driver's internal context
*/
@@ -240,6 +272,7 @@ struct drm_bridge {
struct device_node *of_node;
#endif
struct list_head list;
+ const struct drm_bridge_timings *timings;
const struct drm_bridge_funcs *funcs;
void *driver_private;
diff --git a/include/drm/drm_cache.h b/include/drm/drm_cache.h
index beab0f0d0cfb..bfe1639df02d 100644
--- a/include/drm/drm_cache.h
+++ b/include/drm/drm_cache.h
@@ -38,6 +38,8 @@
void drm_clflush_pages(struct page *pages[], unsigned long num_pages);
void drm_clflush_sg(struct sg_table *st);
void drm_clflush_virt_range(void *addr, unsigned long length);
+u64 drm_get_max_iomem(void);
+
static inline bool drm_arch_can_wc_memory(void)
{
diff --git a/include/drm/drm_color_mgmt.h b/include/drm/drm_color_mgmt.h
index 03a59cbce621..44f04233e3db 100644
--- a/include/drm/drm_color_mgmt.h
+++ b/include/drm/drm_color_mgmt.h
@@ -26,6 +26,7 @@
#include <linux/ctype.h>
struct drm_crtc;
+struct drm_plane;
uint32_t drm_color_lut_extract(uint32_t user_input, uint32_t bit_precision);
@@ -37,4 +38,34 @@ void drm_crtc_enable_color_mgmt(struct drm_crtc *crtc,
int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc,
int gamma_size);
+/**
+ * drm_color_lut_size - calculate the number of entries in the LUT
+ * @blob: blob containing the LUT
+ *
+ * Returns:
+ * The number of entries in the color LUT stored in @blob.
+ */
+static inline int drm_color_lut_size(const struct drm_property_blob *blob)
+{
+ return blob->length / sizeof(struct drm_color_lut);
+}
+
+enum drm_color_encoding {
+ DRM_COLOR_YCBCR_BT601,
+ DRM_COLOR_YCBCR_BT709,
+ DRM_COLOR_YCBCR_BT2020,
+ DRM_COLOR_ENCODING_MAX,
+};
+
+enum drm_color_range {
+ DRM_COLOR_YCBCR_LIMITED_RANGE,
+ DRM_COLOR_YCBCR_FULL_RANGE,
+ DRM_COLOR_RANGE_MAX,
+};
+
+int drm_plane_create_color_properties(struct drm_plane *plane,
+ u32 supported_encodings,
+ u32 supported_ranges,
+ enum drm_color_encoding default_encoding,
+ enum drm_color_range default_range);
#endif
diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h
index 5971577016a2..675cc3f8cf85 100644
--- a/include/drm/drm_connector.h
+++ b/include/drm/drm_connector.h
@@ -177,6 +177,35 @@ enum drm_link_status {
};
/**
+ * enum drm_panel_orientation - panel_orientation info for &drm_display_info
+ *
+ * This enum is used to track the (LCD) panel orientation. There are no
+ * separate #defines for the uapi!
+ *
+ * @DRM_MODE_PANEL_ORIENTATION_UNKNOWN: The drm driver has not provided any
+ * panel orientation information (normal
+ * for non panels) in this case the "panel
+ * orientation" connector prop will not be
+ * attached.
+ * @DRM_MODE_PANEL_ORIENTATION_NORMAL: The top side of the panel matches the
+ * top side of the device's casing.
+ * @DRM_MODE_PANEL_ORIENTATION_BOTTOM_UP: The top side of the panel matches the
+ * bottom side of the device's casing, iow
+ * the panel is mounted upside-down.
+ * @DRM_MODE_PANEL_ORIENTATION_LEFT_UP: The left side of the panel matches the
+ * top side of the device's casing.
+ * @DRM_MODE_PANEL_ORIENTATION_RIGHT_UP: The right side of the panel matches the
+ * top side of the device's casing.
+ */
+enum drm_panel_orientation {
+ DRM_MODE_PANEL_ORIENTATION_UNKNOWN = -1,
+ DRM_MODE_PANEL_ORIENTATION_NORMAL = 0,
+ DRM_MODE_PANEL_ORIENTATION_BOTTOM_UP,
+ DRM_MODE_PANEL_ORIENTATION_LEFT_UP,
+ DRM_MODE_PANEL_ORIENTATION_RIGHT_UP,
+};
+
+/**
* struct drm_display_info - runtime data about the connected sink
*
* Describes a given display (e.g. CRT or flat panel) and its limitations. For
@@ -224,6 +253,15 @@ struct drm_display_info {
#define DRM_COLOR_FORMAT_YCRCB420 (1<<3)
/**
+ * @panel_orientation: Read only connector property for built-in panels,
+ * indicating the orientation of the panel vs the device's casing.
+ * drm_connector_init() sets this to DRM_MODE_PANEL_ORIENTATION_UNKNOWN.
+ * When not UNKNOWN this gets used by the drm_fb_helpers to rotate the
+ * fb to compensate and gets exported as prop to userspace.
+ */
+ int panel_orientation;
+
+ /**
* @color_formats: HDMI Color formats, selects between RGB and YCrCb
* modes. Used DRM_COLOR_FORMAT\_ defines, which are _not_ the same ones
* as used to describe the pixel format in framebuffers, and also don't
@@ -271,6 +309,11 @@ struct drm_display_info {
bool dvi_dual;
/**
+ * @has_hdmi_infoframe: Does the sink support the HDMI infoframe?
+ */
+ bool has_hdmi_infoframe;
+
+ /**
* @edid_hdmi_dc_modes: Mask of supported hdmi deep color modes. Even
* more stuff redundant with @bus_formats.
*/
@@ -299,7 +342,11 @@ int drm_display_info_set_bus_formats(struct drm_display_info *info,
/**
* struct drm_tv_connector_state - TV connector related states
* @subconnector: selected subconnector
- * @margins: left/right/top/bottom margins
+ * @margins: margins
+ * @margins.left: left margin
+ * @margins.right: right margin
+ * @margins.top: top margin
+ * @margins.bottom: bottom margin
* @mode: TV mode
* @brightness: brightness in percent
* @contrast: contrast in percent
@@ -376,6 +423,12 @@ struct drm_connector_state {
* upscaling, mostly used for built-in panels.
*/
unsigned int scaling_mode;
+
+ /**
+ * @content_protection: Connector property to request content
+ * protection. This is most commonly used for HDCP.
+ */
+ unsigned int content_protection;
};
/**
@@ -705,7 +758,6 @@ struct drm_cmdline_mode {
* @force: a DRM_FORCE_<foo> state for forced mode sets
* @override_edid: has the EDID been overwritten through debugfs for testing?
* @encoder_ids: valid encoders for this connector
- * @encoder: encoder driving this connector, if any
* @eld: EDID-like data, if present
* @latency_present: AV delay info from ELD, if found
* @video_latency: video latency info from ELD, if found
@@ -724,6 +776,7 @@ struct drm_cmdline_mode {
* @tile_h_size: horizontal size of this tile.
* @tile_v_size: vertical size of this tile.
* @scaling_mode_property: Optional atomic property to control the upscaling.
+ * @content_protection_property: Optional property to control content protection
*
* Each connector may be connected to one or more CRTCs, or may be clonable by
* another connector if they can share a CRTC. Each connector also has a specific
@@ -815,6 +868,12 @@ struct drm_connector {
struct drm_property *scaling_mode_property;
/**
+ * @content_protection_property: DRM ENUM property for content
+ * protection
+ */
+ struct drm_property *content_protection_property;
+
+ /**
* @path_blob_ptr:
*
* DRM blob property data for the DP MST path property.
@@ -875,7 +934,13 @@ struct drm_connector {
#define DRM_CONNECTOR_MAX_ENCODER 3
uint32_t encoder_ids[DRM_CONNECTOR_MAX_ENCODER];
- struct drm_encoder *encoder; /* currently active encoder */
+ /**
+ * @encoder: Currently bound encoder driving this connector, if any.
+ * Only really meaningful for non-atomic drivers. Atomic drivers should
+ * instead look at &drm_connector_state.best_encoder, and in case they
+ * need the CRTC driving this output, &drm_connector_state.crtc.
+ */
+ struct drm_encoder *encoder;
#define MAX_ELD_BYTES 128
/* EDID bits */
@@ -1017,6 +1082,7 @@ const char *drm_get_dvi_i_subconnector_name(int val);
const char *drm_get_dvi_i_select_name(int val);
const char *drm_get_tv_subconnector_name(int val);
const char *drm_get_tv_select_name(int val);
+const char *drm_get_content_protection_name(int val);
int drm_mode_create_dvi_i_properties(struct drm_device *dev);
int drm_mode_create_tv_properties(struct drm_device *dev,
@@ -1025,6 +1091,8 @@ int drm_mode_create_tv_properties(struct drm_device *dev,
int drm_mode_create_scaling_mode_property(struct drm_device *dev);
int drm_connector_attach_scaling_mode_property(struct drm_connector *connector,
u32 scaling_mode_mask);
+int drm_connector_attach_content_protection_property(
+ struct drm_connector *connector);
int drm_mode_create_aspect_ratio_property(struct drm_device *dev);
int drm_mode_create_suggested_offset_properties(struct drm_device *dev);
@@ -1035,6 +1103,8 @@ int drm_mode_connector_update_edid_property(struct drm_connector *connector,
const struct edid *edid);
void drm_mode_connector_set_link_status_property(struct drm_connector *connector,
uint64_t link_status);
+int drm_connector_init_panel_orientation_property(
+ struct drm_connector *connector, int width, int height);
/**
* struct drm_tile_group - Tile group metadata
diff --git a/include/drm/drm_crtc_helper.h b/include/drm/drm_crtc_helper.h
index 76e237bd989b..6914633037a5 100644
--- a/include/drm/drm_crtc_helper.h
+++ b/include/drm/drm_crtc_helper.h
@@ -77,5 +77,6 @@ void drm_kms_helper_hotplug_event(struct drm_device *dev);
void drm_kms_helper_poll_disable(struct drm_device *dev);
void drm_kms_helper_poll_enable(struct drm_device *dev);
+bool drm_kms_helper_is_poll_worker(void);
#endif
diff --git a/include/drm/drm_device.h b/include/drm/drm_device.h
index e21af87a2f3c..7c4fa32f3fc6 100644
--- a/include/drm/drm_device.h
+++ b/include/drm/drm_device.h
@@ -17,6 +17,7 @@ struct drm_vblank_crtc;
struct drm_sg_mem;
struct drm_local_map;
struct drm_vma_offset_manager;
+struct drm_fb_helper;
struct inode;
@@ -185,6 +186,14 @@ struct drm_device {
struct drm_vma_offset_manager *vma_offset_manager;
/*@} */
int switch_power_state;
+
+ /**
+ * @fb_helper:
+ *
+ * Pointer to the fbdev emulation structure.
+ * Set by drm_fb_helper_init() and cleared by drm_fb_helper_fini().
+ */
+ struct drm_fb_helper *fb_helper;
};
#endif
diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index 2623a1255481..62903bae0221 100644
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -75,6 +75,7 @@
#define DP_MAX_DOWNSPREAD 0x003
# define DP_MAX_DOWNSPREAD_0_5 (1 << 0)
# define DP_NO_AUX_HANDSHAKE_LINK_TRAINING (1 << 6)
+# define DP_TPS4_SUPPORTED (1 << 7)
#define DP_NORP 0x004
@@ -287,6 +288,7 @@
#define DP_PSR_SUPPORT 0x070 /* XXX 1.2? */
# define DP_PSR_IS_SUPPORTED 1
# define DP_PSR2_IS_SUPPORTED 2 /* eDP 1.4 */
+# define DP_PSR2_WITH_Y_COORD_IS_SUPPORTED 3 /* eDP 1.4a */
#define DP_PSR_CAPS 0x071 /* XXX 1.2? */
# define DP_PSR_NO_TRAIN_ON_EXIT 1
@@ -328,12 +330,20 @@
# define DP_DS_12BPC 2
# define DP_DS_16BPC 3
+/* DP Forward error Correction Registers */
+#define DP_FEC_CAPABILITY 0x090 /* 1.4 */
+# define DP_FEC_CAPABLE (1 << 0)
+# define DP_FEC_UNCORR_BLK_ERROR_COUNT_CAP (1 << 1)
+# define DP_FEC_CORR_BLK_ERROR_COUNT_CAP (1 << 2)
+# define DP_FEC_BIT_ERROR_COUNT_CAP (1 << 3)
+
/* link configuration */
#define DP_LINK_BW_SET 0x100
# define DP_LINK_RATE_TABLE 0x00 /* eDP 1.4 */
# define DP_LINK_BW_1_62 0x06
# define DP_LINK_BW_2_7 0x0a
# define DP_LINK_BW_5_4 0x14 /* 1.2 */
+# define DP_LINK_BW_8_1 0x1e /* 1.4 */
#define DP_LANE_COUNT_SET 0x101
# define DP_LANE_COUNT_MASK 0x0f
@@ -344,7 +354,9 @@
# define DP_TRAINING_PATTERN_1 1
# define DP_TRAINING_PATTERN_2 2
# define DP_TRAINING_PATTERN_3 3 /* 1.2 */
+# define DP_TRAINING_PATTERN_4 7 /* 1.4 */
# define DP_TRAINING_PATTERN_MASK 0x3
+# define DP_TRAINING_PATTERN_MASK_1_4 0xf
/* DPCD 1.1 only. For DPCD >= 1.2 see per-lane DP_LINK_QUAL_LANEn_SET */
# define DP_LINK_QUAL_PATTERN_11_DISABLE (0 << 2)
@@ -441,6 +453,19 @@
#define DP_UPSTREAM_DEVICE_DP_PWR_NEED 0x118 /* 1.2 */
# define DP_PWR_NOT_NEEDED (1 << 0)
+#define DP_FEC_CONFIGURATION 0x120 /* 1.4 */
+# define DP_FEC_READY (1 << 0)
+# define DP_FEC_ERR_COUNT_SEL_MASK (7 << 1)
+# define DP_FEC_ERR_COUNT_DIS (0 << 1)
+# define DP_FEC_UNCORR_BLK_ERROR_COUNT (1 << 1)
+# define DP_FEC_CORR_BLK_ERROR_COUNT (2 << 1)
+# define DP_FEC_BIT_ERROR_COUNT (3 << 1)
+# define DP_FEC_LANE_SELECT_MASK (3 << 4)
+# define DP_FEC_LANE_0_SELECT (0 << 4)
+# define DP_FEC_LANE_1_SELECT (1 << 4)
+# define DP_FEC_LANE_2_SELECT (2 << 4)
+# define DP_FEC_LANE_3_SELECT (3 << 4)
+
#define DP_AUX_FRAME_SYNC_VALUE 0x15c /* eDP 1.4 */
# define DP_AUX_FRAME_SYNC_VALID (1 << 0)
@@ -616,6 +641,16 @@
#define DP_TEST_SINK 0x270
# define DP_TEST_SINK_START (1 << 0)
+#define DP_FEC_STATUS 0x280 /* 1.4 */
+# define DP_FEC_DECODE_EN_DETECTED (1 << 0)
+# define DP_FEC_DECODE_DIS_DETECTED (1 << 1)
+
+#define DP_FEC_ERROR_COUNT_LSB 0x0281 /* 1.4 */
+
+#define DP_FEC_ERROR_COUNT_MSB 0x0282 /* 1.4 */
+# define DP_FEC_ERROR_COUNT_MASK 0x7F
+# define DP_FEC_ERR_COUNT_VALID (1 << 7)
+
#define DP_PAYLOAD_TABLE_UPDATE_STATUS 0x2c0 /* 1.2 MST */
# define DP_PAYLOAD_TABLE_UPDATED (1 << 0)
# define DP_PAYLOAD_ACT_HANDLED (1 << 1)
@@ -635,6 +670,7 @@
# define DP_SET_POWER_D0 0x1
# define DP_SET_POWER_D3 0x2
# define DP_SET_POWER_MASK 0x3
+# define DP_SET_POWER_D3_AUX_ON 0x5
#define DP_EDP_DPCD_REV 0x700 /* eDP 1.2 */
# define DP_EDP_11 0x00
@@ -835,6 +871,23 @@
#define DP_CEC_TX_MESSAGE_BUFFER 0x3020
#define DP_CEC_MESSAGE_BUFFER_LENGTH 0x10
+#define DP_AUX_HDCP_BKSV 0x68000
+#define DP_AUX_HDCP_RI_PRIME 0x68005
+#define DP_AUX_HDCP_AKSV 0x68007
+#define DP_AUX_HDCP_AN 0x6800C
+#define DP_AUX_HDCP_V_PRIME(h) (0x68014 + h * 4)
+#define DP_AUX_HDCP_BCAPS 0x68028
+# define DP_BCAPS_REPEATER_PRESENT BIT(1)
+# define DP_BCAPS_HDCP_CAPABLE BIT(0)
+#define DP_AUX_HDCP_BSTATUS 0x68029
+# define DP_BSTATUS_REAUTH_REQ BIT(3)
+# define DP_BSTATUS_LINK_FAILURE BIT(2)
+# define DP_BSTATUS_R0_PRIME_READY BIT(1)
+# define DP_BSTATUS_READY BIT(0)
+#define DP_AUX_HDCP_BINFO 0x6802A
+#define DP_AUX_HDCP_KSV_FIFO 0x6802C
+#define DP_AUX_HDCP_AINFO 0x6803B
+
/* DP 1.2 Sideband message defines */
/* peer device type - DP 1.2a Table 2-92 */
#define DP_PEER_DEVICE_NONE 0x0
@@ -970,6 +1023,20 @@ drm_dp_tps3_supported(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
}
static inline bool
+drm_dp_tps4_supported(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
+{
+ return dpcd[DP_DPCD_REV] >= 0x14 &&
+ dpcd[DP_MAX_DOWNSPREAD] & DP_TPS4_SUPPORTED;
+}
+
+static inline u8
+drm_dp_training_pattern_mask(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
+{
+ return (dpcd[DP_DPCD_REV] >= 0x14) ? DP_TRAINING_PATTERN_MASK_1_4 :
+ DP_TRAINING_PATTERN_MASK;
+}
+
+static inline bool
drm_dp_is_branch(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
{
return dpcd[DP_DOWNSTREAMPORT_PRESENT] & DP_DWN_STRM_PORT_PRESENT;
diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h
index 412e83a4d3db..d23dcdd1bd95 100644
--- a/include/drm/drm_drv.h
+++ b/include/drm/drm_drv.h
@@ -39,6 +39,7 @@ struct drm_minor;
struct dma_buf_attachment;
struct drm_display_mode;
struct drm_mode_create_dumb;
+struct drm_printer;
/* driver capabilities and requirements mask */
#define DRIVER_USE_AGP 0x1
@@ -55,6 +56,7 @@ struct drm_mode_create_dumb;
#define DRIVER_ATOMIC 0x10000
#define DRIVER_KMS_LEGACY_CONTEXT 0x20000
#define DRIVER_SYNCOBJ 0x40000
+#define DRIVER_PREFER_XBGR_30BPP 0x80000
/**
* struct drm_driver - DRM driver structure
@@ -429,6 +431,20 @@ struct drm_driver {
void (*gem_close_object) (struct drm_gem_object *, struct drm_file *);
/**
+ * @gem_print_info:
+ *
+ * If driver subclasses struct &drm_gem_object, it can implement this
+ * optional hook for printing additional driver specific info.
+ *
+ * drm_printf_indent() should be used in the callback passing it the
+ * indent argument.
+ *
+ * This callback is called from drm_gem_print_info().
+ */
+ void (*gem_print_info)(struct drm_printer *p, unsigned int indent,
+ const struct drm_gem_object *obj);
+
+ /**
* @gem_create_object: constructor for gem objects
*
* Hook for allocating the GEM object struct, for use by core
@@ -592,13 +608,6 @@ struct drm_driver {
int dev_priv_size;
};
-__printf(6, 7)
-void drm_dev_printk(const struct device *dev, const char *level,
- unsigned int category, const char *function_name,
- const char *prefix, const char *format, ...);
-__printf(3, 4)
-void drm_printk(const char *level, unsigned int category,
- const char *format, ...);
extern unsigned int drm_debug;
int drm_dev_init(struct drm_device *dev,
diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h
index efe6d5a8e834..8d89a9c3748d 100644
--- a/include/drm/drm_edid.h
+++ b/include/drm/drm_edid.h
@@ -333,7 +333,6 @@ struct drm_encoder;
struct drm_connector;
struct drm_display_mode;
-void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid);
int drm_edid_to_sad(struct edid *edid, struct cea_sad **sads);
int drm_edid_to_speaker_allocation(struct edid *edid, u8 **sadb);
int drm_av_sync_delay(struct drm_connector *connector,
@@ -357,6 +356,7 @@ drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame,
bool is_hdmi2_sink);
int
drm_hdmi_vendor_infoframe_from_display_mode(struct hdmi_vendor_infoframe *frame,
+ struct drm_connector *connector,
const struct drm_display_mode *mode);
void
drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame,
diff --git a/include/drm/drm_encoder.h b/include/drm/drm_encoder.h
index ee4cfbe63c52..fb299696c7c4 100644
--- a/include/drm/drm_encoder.h
+++ b/include/drm/drm_encoder.h
@@ -88,7 +88,6 @@ struct drm_encoder_funcs {
* @head: list management
* @base: base KMS object
* @name: human readable name, can be overwritten by the driver
- * @crtc: currently bound CRTC
* @bridge: bridge associated to the encoder
* @funcs: control functions
* @helper_private: mid-layer private data
@@ -166,6 +165,11 @@ struct drm_encoder {
*/
uint32_t possible_clones;
+ /**
+ * @crtc: Currently bound CRTC, only really meaningful for non-atomic
+ * drivers. Atomic drivers should instead check
+ * &drm_connector_state.crtc.
+ */
struct drm_crtc *crtc;
struct drm_bridge *bridge;
const struct drm_encoder_funcs *funcs;
diff --git a/include/drm/drm_fb_cma_helper.h b/include/drm/drm_fb_cma_helper.h
index faf56c53df28..d532f88a8d55 100644
--- a/include/drm/drm_fb_cma_helper.h
+++ b/include/drm/drm_fb_cma_helper.h
@@ -16,6 +16,13 @@ struct drm_mode_fb_cmd2;
struct drm_plane;
struct drm_plane_state;
+int drm_fb_cma_fbdev_init_with_funcs(struct drm_device *dev,
+ unsigned int preferred_bpp, unsigned int max_conn_count,
+ const struct drm_framebuffer_funcs *funcs);
+int drm_fb_cma_fbdev_init(struct drm_device *dev, unsigned int preferred_bpp,
+ unsigned int max_conn_count);
+void drm_fb_cma_fbdev_fini(struct drm_device *dev);
+
struct drm_fbdev_cma *drm_fbdev_cma_init_with_funcs(struct drm_device *dev,
unsigned int preferred_bpp, unsigned int max_conn_count,
const struct drm_framebuffer_funcs *funcs);
@@ -36,11 +43,5 @@ dma_addr_t drm_fb_cma_get_gem_addr(struct drm_framebuffer *fb,
struct drm_plane_state *state,
unsigned int plane);
-#ifdef CONFIG_DEBUG_FS
-struct seq_file;
-
-int drm_fb_cma_debugfs_show(struct seq_file *m, void *arg);
-#endif
-
#endif
diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h
index 33fe95927742..b069433e7fc1 100644
--- a/include/drm/drm_fb_helper.h
+++ b/include/drm/drm_fb_helper.h
@@ -33,6 +33,7 @@
struct drm_fb_helper;
#include <drm/drm_crtc.h>
+#include <drm/drm_device.h>
#include <linux/kgdb.h>
enum mode_set_atomic {
@@ -48,6 +49,7 @@ struct drm_fb_helper_crtc {
struct drm_mode_set mode_set;
struct drm_display_mode *desired_mode;
int x, y;
+ int rotation;
};
/**
@@ -159,6 +161,13 @@ struct drm_fb_helper {
int connector_count;
int connector_info_alloc_count;
/**
+ * @sw_rotations:
+ * Bitmask of all rotations requested for panel-orientation which
+ * could not be handled in hardware. If only one bit is set
+ * fbdev->fbcon_rotate_hint gets set to the requested rotation.
+ */
+ int sw_rotations;
+ /**
* @connector_info:
*
* Array of per-connector information. Do not iterate directly, but use
@@ -267,6 +276,7 @@ void drm_fb_helper_unlink_fbi(struct drm_fb_helper *fb_helper);
void drm_fb_helper_deferred_io(struct fb_info *info,
struct list_head *pagelist);
+int drm_fb_helper_defio_init(struct drm_fb_helper *fb_helper);
ssize_t drm_fb_helper_sys_read(struct fb_info *info, char __user *buf,
size_t count, loff_t *ppos);
@@ -310,6 +320,16 @@ drm_pick_cmdline_mode(struct drm_fb_helper_connector *fb_helper_conn);
int drm_fb_helper_add_one_connector(struct drm_fb_helper *fb_helper, struct drm_connector *connector);
int drm_fb_helper_remove_one_connector(struct drm_fb_helper *fb_helper,
struct drm_connector *connector);
+
+int drm_fb_helper_fbdev_setup(struct drm_device *dev,
+ struct drm_fb_helper *fb_helper,
+ const struct drm_fb_helper_funcs *funcs,
+ unsigned int preferred_bpp,
+ unsigned int max_conn_count);
+void drm_fb_helper_fbdev_teardown(struct drm_device *dev);
+
+void drm_fb_helper_lastclose(struct drm_device *dev);
+void drm_fb_helper_output_poll_changed(struct drm_device *dev);
#else
static inline void drm_fb_helper_prepare(struct drm_device *dev,
struct drm_fb_helper *helper,
@@ -321,11 +341,17 @@ static inline int drm_fb_helper_init(struct drm_device *dev,
struct drm_fb_helper *helper,
int max_conn)
{
+ /* So drivers can use it to free the struct */
+ helper->dev = dev;
+ dev->fb_helper = helper;
+
return 0;
}
static inline void drm_fb_helper_fini(struct drm_fb_helper *helper)
{
+ if (helper && helper->dev)
+ helper->dev->fb_helper = NULL;
}
static inline int drm_fb_helper_blank(int blank, struct fb_info *info)
@@ -398,6 +424,11 @@ static inline void drm_fb_helper_deferred_io(struct fb_info *info,
{
}
+static inline int drm_fb_helper_defio_init(struct drm_fb_helper *fb_helper)
+{
+ return -ENODEV;
+}
+
static inline ssize_t drm_fb_helper_sys_read(struct fb_info *info,
char __user *buf, size_t count,
loff_t *ppos)
@@ -507,6 +538,32 @@ drm_fb_helper_remove_one_connector(struct drm_fb_helper *fb_helper,
return 0;
}
+static inline int
+drm_fb_helper_fbdev_setup(struct drm_device *dev,
+ struct drm_fb_helper *fb_helper,
+ const struct drm_fb_helper_funcs *funcs,
+ unsigned int preferred_bpp,
+ unsigned int max_conn_count)
+{
+ /* So drivers can use it to free the struct */
+ dev->fb_helper = fb_helper;
+
+ return 0;
+}
+
+static inline void drm_fb_helper_fbdev_teardown(struct drm_device *dev)
+{
+ dev->fb_helper = NULL;
+}
+
+static inline void drm_fb_helper_lastclose(struct drm_device *dev)
+{
+}
+
+static inline void drm_fb_helper_output_poll_changed(struct drm_device *dev)
+{
+}
+
#endif
static inline int
diff --git a/include/drm/drm_file.h b/include/drm/drm_file.h
index 0e0c868451a5..5176c3797680 100644
--- a/include/drm/drm_file.h
+++ b/include/drm/drm_file.h
@@ -364,7 +364,7 @@ int drm_open(struct inode *inode, struct file *filp);
ssize_t drm_read(struct file *filp, char __user *buffer,
size_t count, loff_t *offset);
int drm_release(struct inode *inode, struct file *filp);
-unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait);
+__poll_t drm_poll(struct file *filp, struct poll_table_struct *wait);
int drm_event_reserve_init_locked(struct drm_device *dev,
struct drm_file *file_priv,
struct drm_pending_event *p,
diff --git a/include/drm/drm_fourcc.h b/include/drm/drm_fourcc.h
index 6942e84b6edd..3e86408dac9f 100644
--- a/include/drm/drm_fourcc.h
+++ b/include/drm/drm_fourcc.h
@@ -38,6 +38,7 @@ struct drm_mode_fb_cmd2;
* @cpp: Number of bytes per pixel (per plane)
* @hsub: Horizontal chroma subsampling factor
* @vsub: Vertical chroma subsampling factor
+ * @has_alpha: Does the format embeds an alpha component?
*/
struct drm_format_info {
u32 format;
@@ -46,6 +47,7 @@ struct drm_format_info {
u8 cpp[3];
u8 hsub;
u8 vsub;
+ bool has_alpha;
};
/**
diff --git a/include/drm/drm_framebuffer.h b/include/drm/drm_framebuffer.h
index 4c5ee4ae54df..c50502c656e5 100644
--- a/include/drm/drm_framebuffer.h
+++ b/include/drm/drm_framebuffer.h
@@ -121,6 +121,12 @@ struct drm_framebuffer {
* @base: base modeset object structure, contains the reference count.
*/
struct drm_mode_object base;
+
+ /**
+ * @comm: Name of the process allocating the fb, used for fb dumping.
+ */
+ char comm[TASK_COMM_LEN];
+
/**
* @format: framebuffer format information
*/
@@ -264,7 +270,7 @@ static inline void drm_framebuffer_unreference(struct drm_framebuffer *fb)
*
* This functions returns the framebuffer's reference count.
*/
-static inline uint32_t drm_framebuffer_read_refcount(struct drm_framebuffer *fb)
+static inline uint32_t drm_framebuffer_read_refcount(const struct drm_framebuffer *fb)
{
return kref_read(&fb->base.refcount);
}
diff --git a/include/drm/drm_gem.h b/include/drm/drm_gem.h
index 9c55c2acaa2b..3583b98a1718 100644
--- a/include/drm/drm_gem.h
+++ b/include/drm/drm_gem.h
@@ -116,21 +116,6 @@ struct drm_gem_object {
int name;
/**
- * @read_domains:
- *
- * Read memory domains. These monitor which caches contain read/write data
- * related to the object. When transitioning from one set of domains
- * to another, the driver is called to ensure that caches are suitably
- * flushed and invalidated.
- */
- uint32_t read_domains;
-
- /**
- * @write_domain: Corresponding unique write memory domain.
- */
- uint32_t write_domain;
-
- /**
* @dma_buf:
*
* dma-buf associated with this GEM object.
diff --git a/include/drm/drm_gem_cma_helper.h b/include/drm/drm_gem_cma_helper.h
index 520e3feb502c..19777145cf8e 100644
--- a/include/drm/drm_gem_cma_helper.h
+++ b/include/drm/drm_gem_cma_helper.h
@@ -9,7 +9,9 @@
* struct drm_gem_cma_object - GEM object backed by CMA memory allocations
* @base: base GEM object
* @paddr: physical address of the backing memory
- * @sgt: scatter/gather table for imported PRIME buffers
+ * @sgt: scatter/gather table for imported PRIME buffers. The table can have
+ * more than one entry but they are guaranteed to have contiguous
+ * DMA addresses.
* @vaddr: kernel virtual address of the backing memory
*/
struct drm_gem_cma_object {
@@ -21,11 +23,8 @@ struct drm_gem_cma_object {
void *vaddr;
};
-static inline struct drm_gem_cma_object *
-to_drm_gem_cma_obj(struct drm_gem_object *gem_obj)
-{
- return container_of(gem_obj, struct drm_gem_cma_object, base);
-}
+#define to_drm_gem_cma_obj(gem_obj) \
+ container_of(gem_obj, struct drm_gem_cma_object, base)
#ifndef CONFIG_MMU
#define DRM_GEM_CMA_UNMAPPED_AREA_FOPS \
@@ -91,9 +90,8 @@ unsigned long drm_gem_cma_get_unmapped_area(struct file *filp,
unsigned long flags);
#endif
-#ifdef CONFIG_DEBUG_FS
-void drm_gem_cma_describe(struct drm_gem_cma_object *obj, struct seq_file *m);
-#endif
+void drm_gem_cma_print_info(struct drm_printer *p, unsigned int indent,
+ const struct drm_gem_object *obj);
struct sg_table *drm_gem_cma_prime_get_sg_table(struct drm_gem_object *obj);
struct drm_gem_object *
diff --git a/include/drm/drm_hdcp.h b/include/drm/drm_hdcp.h
new file mode 100644
index 000000000000..562fa7df2637
--- /dev/null
+++ b/include/drm/drm_hdcp.h
@@ -0,0 +1,41 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright (C) 2017 Google, Inc.
+ *
+ * Authors:
+ * Sean Paul <seanpaul@chromium.org>
+ */
+
+#ifndef _DRM_HDCP_H_INCLUDED_
+#define _DRM_HDCP_H_INCLUDED_
+
+/* Period of hdcp checks (to ensure we're still authenticated) */
+#define DRM_HDCP_CHECK_PERIOD_MS (128 * 16)
+
+/* Shared lengths/masks between HDMI/DVI/DisplayPort */
+#define DRM_HDCP_AN_LEN 8
+#define DRM_HDCP_BSTATUS_LEN 2
+#define DRM_HDCP_KSV_LEN 5
+#define DRM_HDCP_RI_LEN 2
+#define DRM_HDCP_V_PRIME_PART_LEN 4
+#define DRM_HDCP_V_PRIME_NUM_PARTS 5
+#define DRM_HDCP_NUM_DOWNSTREAM(x) (x & 0x3f)
+#define DRM_HDCP_MAX_CASCADE_EXCEEDED(x) (x & BIT(3))
+#define DRM_HDCP_MAX_DEVICE_EXCEEDED(x) (x & BIT(7))
+
+/* Slave address for the HDCP registers in the receiver */
+#define DRM_HDCP_DDC_ADDR 0x3A
+
+/* HDCP register offsets for HDMI/DVI devices */
+#define DRM_HDCP_DDC_BKSV 0x00
+#define DRM_HDCP_DDC_RI_PRIME 0x08
+#define DRM_HDCP_DDC_AKSV 0x10
+#define DRM_HDCP_DDC_AN 0x18
+#define DRM_HDCP_DDC_V_PRIME(h) (0x20 + h * 4)
+#define DRM_HDCP_DDC_BCAPS 0x40
+#define DRM_HDCP_DDC_BCAPS_REPEATER_PRESENT BIT(6)
+#define DRM_HDCP_DDC_BCAPS_KSV_FIFO_READY BIT(5)
+#define DRM_HDCP_DDC_BSTATUS 0x41
+#define DRM_HDCP_DDC_KSV_FIFO 0x43
+
+#endif
diff --git a/include/drm/drm_mm.h b/include/drm/drm_mm.h
index 8d10fc97801c..101f566ae43d 100644
--- a/include/drm/drm_mm.h
+++ b/include/drm/drm_mm.h
@@ -386,7 +386,7 @@ int drm_mm_insert_node_in_range(struct drm_mm *mm,
* @color: opaque tag value to use for this node
* @mode: fine-tune the allocation search and placement
*
- * This is a simplified version of drm_mm_insert_node_in_range_generic() with no
+ * This is a simplified version of drm_mm_insert_node_in_range() with no
* range restrictions applied.
*
* The preallocated node must be cleared to 0.
diff --git a/include/drm/drm_mode_config.h b/include/drm/drm_mode_config.h
index b0ce26d71296..7569f22ffef6 100644
--- a/include/drm/drm_mode_config.h
+++ b/include/drm/drm_mode_config.h
@@ -36,6 +36,7 @@ struct drm_device;
struct drm_atomic_state;
struct drm_mode_fb_cmd2;
struct drm_format_info;
+struct drm_display_mode;
/**
* struct drm_mode_config_funcs - basic driver provided mode setting functions
@@ -102,6 +103,17 @@ struct drm_mode_config_funcs {
void (*output_poll_changed)(struct drm_device *dev);
/**
+ * @mode_valid:
+ *
+ * Device specific validation of display modes. Can be used to reject
+ * modes that can never be supported. Only device wide constraints can
+ * be checked here. crtc/encoder/bridge/connector specific constraints
+ * should be checked in the .mode_valid() hook for each specific object.
+ */
+ enum drm_mode_status (*mode_valid)(struct drm_device *dev,
+ const struct drm_display_mode *mode);
+
+ /**
* @atomic_check:
*
* This is the only hook to validate an atomic modeset update. This
@@ -269,6 +281,9 @@ struct drm_mode_config_funcs {
* state easily. If this hook is implemented, drivers must also
* implement @atomic_state_clear and @atomic_state_free.
*
+ * Subclassing of &drm_atomic_state is deprecated in favour of using
+ * &drm_private_state and &drm_private_obj.
+ *
* RETURNS:
*
* A new &drm_atomic_state on success or NULL on failure.
@@ -290,6 +305,9 @@ struct drm_mode_config_funcs {
*
* Drivers that implement this must call drm_atomic_state_default_clear()
* to clear common state.
+ *
+ * Subclassing of &drm_atomic_state is deprecated in favour of using
+ * &drm_private_state and &drm_private_obj.
*/
void (*atomic_state_clear)(struct drm_atomic_state *state);
@@ -302,6 +320,9 @@ struct drm_mode_config_funcs {
*
* Drivers that implement this must call
* drm_atomic_state_default_release() to release common resources.
+ *
+ * Subclassing of &drm_atomic_state is deprecated in favour of using
+ * &drm_private_state and &drm_private_obj.
*/
void (*atomic_state_free)(struct drm_atomic_state *state);
};
@@ -751,6 +772,13 @@ struct drm_mode_config {
*/
struct drm_property *non_desktop_property;
+ /**
+ * @panel_orientation_property: Optional connector property indicating
+ * how the lcd-panel is mounted inside the casing (e.g. normal or
+ * upside-down).
+ */
+ struct drm_property *panel_orientation_property;
+
/* dumb ioctl parameters */
uint32_t preferred_depth, prefer_shadow;
@@ -768,7 +796,7 @@ struct drm_mode_config {
bool allow_fb_modifiers;
/**
- * @modifiers: Plane property to list support modifier/format
+ * @modifiers_property: Plane property to list support modifier/format
* combination.
*/
struct drm_property *modifiers_property;
@@ -776,6 +804,15 @@ struct drm_mode_config {
/* cursor size */
uint32_t cursor_width, cursor_height;
+ /**
+ * @suspend_state:
+ *
+ * Atomic state when suspended.
+ * Set by drm_mode_config_helper_suspend() and cleared by
+ * drm_mode_config_helper_resume().
+ */
+ struct drm_atomic_state *suspend_state;
+
const struct drm_mode_config_helper_funcs *helper_private;
};
diff --git a/include/drm/drm_mode_object.h b/include/drm/drm_mode_object.h
index 7ba3913f30b5..c34a3e8030e1 100644
--- a/include/drm/drm_mode_object.h
+++ b/include/drm/drm_mode_object.h
@@ -120,30 +120,6 @@ struct drm_mode_object *drm_mode_object_find(struct drm_device *dev,
void drm_mode_object_get(struct drm_mode_object *obj);
void drm_mode_object_put(struct drm_mode_object *obj);
-/**
- * drm_mode_object_reference - acquire a mode object reference
- * @obj: DRM mode object
- *
- * This is a compatibility alias for drm_mode_object_get() and should not be
- * used by new code.
- */
-static inline void drm_mode_object_reference(struct drm_mode_object *obj)
-{
- drm_mode_object_get(obj);
-}
-
-/**
- * drm_mode_object_unreference - release a mode object reference
- * @obj: DRM mode object
- *
- * This is a compatibility alias for drm_mode_object_put() and should not be
- * used by new code.
- */
-static inline void drm_mode_object_unreference(struct drm_mode_object *obj)
-{
- drm_mode_object_put(obj);
-}
-
int drm_object_property_set_value(struct drm_mode_object *obj,
struct drm_property *property,
uint64_t val);
diff --git a/include/drm/drm_modes.h b/include/drm/drm_modes.h
index 9f3421c8efcd..0d310beae6af 100644
--- a/include/drm/drm_modes.h
+++ b/include/drm/drm_modes.h
@@ -131,9 +131,6 @@ enum drm_mode_status {
MODE_ERROR = -1
};
-#define DRM_MODE_TYPE_CLOCK_CRTC_C (DRM_MODE_TYPE_CLOCK_C | \
- DRM_MODE_TYPE_CRTC_C)
-
#define DRM_MODE(nm, t, c, hd, hss, hse, ht, hsk, vd, vss, vse, vt, vs, f) \
.name = nm, .status = 0, .type = (t), .clock = (c), \
.hdisplay = (hd), .hsync_start = (hss), .hsync_end = (hse), \
@@ -245,26 +242,25 @@ struct drm_display_mode {
* A bitmask of flags, mostly about the source of a mode. Possible flags
* are:
*
- * - DRM_MODE_TYPE_BUILTIN: Meant for hard-coded modes, effectively
- * unused.
* - DRM_MODE_TYPE_PREFERRED: Preferred mode, usually the native
* resolution of an LCD panel. There should only be one preferred
* mode per connector at any given time.
* - DRM_MODE_TYPE_DRIVER: Mode created by the driver, which is all of
* them really. Drivers must set this bit for all modes they create
* and expose to userspace.
+ * - DRM_MODE_TYPE_USERDEF: Mode defined via kernel command line
*
* Plus a big list of flags which shouldn't be used at all, but are
- * still around since these flags are also used in the userspace ABI:
+ * still around since these flags are also used in the userspace ABI.
+ * We no longer accept modes with these types though:
*
+ * - DRM_MODE_TYPE_BUILTIN: Meant for hard-coded modes, unused.
+ * Use DRM_MODE_TYPE_DRIVER instead.
* - DRM_MODE_TYPE_DEFAULT: Again a leftover, use
* DRM_MODE_TYPE_PREFERRED instead.
* - DRM_MODE_TYPE_CLOCK_C and DRM_MODE_TYPE_CRTC_C: Define leftovers
* which are stuck around for hysterical raisins only. No one has an
* idea what they were meant for. Don't use.
- * - DRM_MODE_TYPE_USERDEF: Mode defined by userspace, again a vestige
- * from older kms designs where userspace had to first add a custom
- * mode to the kernel's mode list before it could use it. Don't use.
*/
unsigned int type;
@@ -299,8 +295,8 @@ struct drm_display_mode {
* - DRM_MODE_FLAG_PCSYNC: composite sync is active high.
* - DRM_MODE_FLAG_NCSYNC: composite sync is active low.
* - DRM_MODE_FLAG_HSKEW: hskew provided (not used?).
- * - DRM_MODE_FLAG_BCAST: not used?
- * - DRM_MODE_FLAG_PIXMUX: not used?
+ * - DRM_MODE_FLAG_BCAST: <deprecated>
+ * - DRM_MODE_FLAG_PIXMUX: <deprecated>
* - DRM_MODE_FLAG_DBLCLK: double-clocked mode.
* - DRM_MODE_FLAG_CLKDIV2: half-clocked mode.
*
@@ -448,7 +444,8 @@ struct drm_display_mode *drm_mode_create(struct drm_device *dev);
void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode);
void drm_mode_convert_to_umode(struct drm_mode_modeinfo *out,
const struct drm_display_mode *in);
-int drm_mode_convert_umode(struct drm_display_mode *out,
+int drm_mode_convert_umode(struct drm_device *dev,
+ struct drm_display_mode *out,
const struct drm_mode_modeinfo *in);
void drm_mode_probed_add(struct drm_connector *connector, struct drm_display_mode *mode);
void drm_mode_debug_printmodeline(const struct drm_display_mode *mode);
@@ -501,7 +498,8 @@ bool drm_mode_equal_no_clocks_no_stereo(const struct drm_display_mode *mode1,
const struct drm_display_mode *mode2);
/* for use by the crtc helper probe functions */
-enum drm_mode_status drm_mode_validate_basic(const struct drm_display_mode *mode);
+enum drm_mode_status drm_mode_validate_driver(struct drm_device *dev,
+ const struct drm_display_mode *mode);
enum drm_mode_status drm_mode_validate_size(const struct drm_display_mode *mode,
int maxX, int maxY);
enum drm_mode_status
diff --git a/include/drm/drm_modeset_helper.h b/include/drm/drm_modeset_helper.h
index cb0ec92e11e6..efa337f03129 100644
--- a/include/drm/drm_modeset_helper.h
+++ b/include/drm/drm_modeset_helper.h
@@ -34,4 +34,7 @@ void drm_helper_mode_fill_fb_struct(struct drm_device *dev,
int drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc,
const struct drm_crtc_funcs *funcs);
+int drm_mode_config_helper_suspend(struct drm_device *dev);
+int drm_mode_config_helper_resume(struct drm_device *dev);
+
#endif
diff --git a/include/drm/drm_modeset_helper_vtables.h b/include/drm/drm_modeset_helper_vtables.h
index 16646c44b7df..3e76ca805b0f 100644
--- a/include/drm/drm_modeset_helper_vtables.h
+++ b/include/drm/drm_modeset_helper_vtables.h
@@ -801,9 +801,6 @@ struct drm_connector_helper_funcs {
* resolution can call drm_add_modes_noedid(), and mark the preferred
* one using drm_set_preferred_mode().
*
- * Finally drivers that support audio probably want to update the ELD
- * data, too, using drm_edid_to_eld().
- *
* This function is only called after the @detect hook has indicated
* that a sink is connected and when the EDID isn't overridden through
* sysfs or the kernel commandline.
diff --git a/include/drm/drm_plane.h b/include/drm/drm_plane.h
index 571615079230..f7bf4a48b1c3 100644
--- a/include/drm/drm_plane.h
+++ b/include/drm/drm_plane.h
@@ -26,6 +26,7 @@
#include <linux/list.h>
#include <linux/ctype.h>
#include <drm/drm_mode_object.h>
+#include <drm/drm_color_mgmt.h>
struct drm_crtc;
struct drm_printer;
@@ -112,6 +113,20 @@ struct drm_plane_state {
unsigned int zpos;
unsigned int normalized_zpos;
+ /**
+ * @color_encoding:
+ *
+ * Color encoding for non RGB formats
+ */
+ enum drm_color_encoding color_encoding;
+
+ /**
+ * @color_range:
+ *
+ * Color range for non RGB formats
+ */
+ enum drm_color_range color_range;
+
/* Clipped coordinates */
struct drm_rect src, dst;
@@ -474,8 +489,8 @@ enum drm_plane_type {
* @format_types: array of formats supported by this plane
* @format_count: number of formats supported
* @format_default: driver hasn't supplied supported formats for the plane
- * @crtc: currently bound CRTC
- * @fb: currently bound fb
+ * @modifiers: array of modifiers supported by this plane
+ * @modifier_count: number of modifiers supported
* @old_fb: Temporary tracking of the old fb while a modeset is ongoing. Used by
* drm_mode_set_config_internal() to implement correct refcounting.
* @funcs: helper functions
@@ -512,7 +527,17 @@ struct drm_plane {
uint64_t *modifiers;
unsigned int modifier_count;
+ /**
+ * @crtc: Currently bound CRTC, only really meaningful for non-atomic
+ * drivers. Atomic drivers should instead check &drm_plane_state.crtc.
+ */
struct drm_crtc *crtc;
+
+ /**
+ * @fb: Currently bound framebuffer, only really meaningful for
+ * non-atomic drivers. Atomic drivers should instead check
+ * &drm_plane_state.fb.
+ */
struct drm_framebuffer *fb;
struct drm_framebuffer *old_fb;
@@ -548,6 +573,23 @@ struct drm_plane {
struct drm_property *zpos_property;
struct drm_property *rotation_property;
+
+ /**
+ * @color_encoding_property:
+ *
+ * Optional "COLOR_ENCODING" enum property for specifying
+ * color encoding for non RGB formats.
+ * See drm_plane_create_color_properties().
+ */
+ struct drm_property *color_encoding_property;
+ /**
+ * @color_range_property:
+ *
+ * Optional "COLOR_RANGE" enum property for specifying
+ * color range for non RGB formats.
+ * See drm_plane_create_color_properties().
+ */
+ struct drm_property *color_range_property;
};
#define obj_to_plane(x) container_of(x, struct drm_plane, base)
diff --git a/include/drm/drm_plane_helper.h b/include/drm/drm_plane_helper.h
index 7c8a00ceadb7..28d7ce620729 100644
--- a/include/drm/drm_plane_helper.h
+++ b/include/drm/drm_plane_helper.h
@@ -38,17 +38,11 @@
*/
#define DRM_PLANE_HELPER_NO_SCALING (1<<16)
-int drm_plane_helper_check_state(struct drm_plane_state *state,
- const struct drm_rect *clip,
- int min_scale, int max_scale,
- bool can_position,
- bool can_update_disabled);
int drm_plane_helper_check_update(struct drm_plane *plane,
struct drm_crtc *crtc,
struct drm_framebuffer *fb,
struct drm_rect *src,
struct drm_rect *dest,
- const struct drm_rect *clip,
unsigned int rotation,
int min_scale,
int max_scale,
diff --git a/include/drm/drm_prime.h b/include/drm/drm_prime.h
index 9cd9e36f77b5..4d5f5d6cf6a6 100644
--- a/include/drm/drm_prime.h
+++ b/include/drm/drm_prime.h
@@ -54,6 +54,9 @@ struct device;
struct dma_buf_export_info;
struct dma_buf;
+struct dma_buf_attachment;
+
+enum dma_data_direction;
struct drm_device;
struct drm_gem_object;
@@ -79,6 +82,25 @@ int drm_gem_prime_fd_to_handle(struct drm_device *dev,
struct dma_buf *drm_gem_dmabuf_export(struct drm_device *dev,
struct dma_buf_export_info *exp_info);
void drm_gem_dmabuf_release(struct dma_buf *dma_buf);
+int drm_gem_map_attach(struct dma_buf *dma_buf, struct device *target_dev,
+ struct dma_buf_attachment *attach);
+void drm_gem_map_detach(struct dma_buf *dma_buf,
+ struct dma_buf_attachment *attach);
+struct sg_table *drm_gem_map_dma_buf(struct dma_buf_attachment *attach,
+ enum dma_data_direction dir);
+void drm_gem_unmap_dma_buf(struct dma_buf_attachment *attach,
+ struct sg_table *sgt,
+ enum dma_data_direction dir);
+void *drm_gem_dmabuf_vmap(struct dma_buf *dma_buf);
+void drm_gem_dmabuf_vunmap(struct dma_buf *dma_buf, void *vaddr);
+void *drm_gem_dmabuf_kmap_atomic(struct dma_buf *dma_buf,
+ unsigned long page_num);
+void drm_gem_dmabuf_kunmap_atomic(struct dma_buf *dma_buf,
+ unsigned long page_num, void *addr);
+void *drm_gem_dmabuf_kmap(struct dma_buf *dma_buf, unsigned long page_num);
+void drm_gem_dmabuf_kunmap(struct dma_buf *dma_buf, unsigned long page_num,
+ void *addr);
+int drm_gem_dmabuf_mmap(struct dma_buf *dma_buf, struct vm_area_struct *vma);
int drm_prime_sg_to_page_addr_arrays(struct sg_table *sgt, struct page **pages,
dma_addr_t *addrs, int max_pages);
diff --git a/include/drm/drm_print.h b/include/drm/drm_print.h
index ca4d7c6321f2..e1a46e9991cc 100644
--- a/include/drm/drm_print.h
+++ b/include/drm/drm_print.h
@@ -80,6 +80,29 @@ void __drm_printfn_debug(struct drm_printer *p, struct va_format *vaf);
__printf(2, 3)
void drm_printf(struct drm_printer *p, const char *f, ...);
+__printf(2, 0)
+/**
+ * drm_vprintf - print to a &drm_printer stream
+ * @p: the &drm_printer
+ * @fmt: format string
+ * @va: the va_list
+ */
+static inline void
+drm_vprintf(struct drm_printer *p, const char *fmt, va_list *va)
+{
+ struct va_format vaf = { .fmt = fmt, .va = va };
+
+ p->printfn(p, &vaf);
+}
+
+/**
+ * drm_printf_indent - Print to a &drm_printer stream with indentation
+ * @printer: DRM printer
+ * @indent: Tab indentation level (max 5)
+ * @fmt: Format string
+ */
+#define drm_printf_indent(printer, indent, fmt, ...) \
+ drm_printf((printer), "%.*s" fmt, (indent), "\t\t\t\t\tX", ##__VA_ARGS__)
/**
* drm_seq_file_printer - construct a &drm_printer that outputs to &seq_file
@@ -128,4 +151,199 @@ static inline struct drm_printer drm_debug_printer(const char *prefix)
};
return p;
}
+
+/*
+ * The following categories are defined:
+ *
+ * CORE: Used in the generic drm code: drm_ioctl.c, drm_mm.c, drm_memory.c, ...
+ * This is the category used by the DRM_DEBUG() macro.
+ *
+ * DRIVER: Used in the vendor specific part of the driver: i915, radeon, ...
+ * This is the category used by the DRM_DEBUG_DRIVER() macro.
+ *
+ * KMS: used in the modesetting code.
+ * This is the category used by the DRM_DEBUG_KMS() macro.
+ *
+ * PRIME: used in the prime code.
+ * This is the category used by the DRM_DEBUG_PRIME() macro.
+ *
+ * ATOMIC: used in the atomic code.
+ * This is the category used by the DRM_DEBUG_ATOMIC() macro.
+ *
+ * VBL: used for verbose debug message in the vblank code
+ * This is the category used by the DRM_DEBUG_VBL() macro.
+ *
+ * Enabling verbose debug messages is done through the drm.debug parameter,
+ * each category being enabled by a bit.
+ *
+ * drm.debug=0x1 will enable CORE messages
+ * drm.debug=0x2 will enable DRIVER messages
+ * drm.debug=0x3 will enable CORE and DRIVER messages
+ * ...
+ * drm.debug=0x3f will enable all messages
+ *
+ * An interesting feature is that it's possible to enable verbose logging at
+ * run-time by echoing the debug value in its sysfs node:
+ * # echo 0xf > /sys/module/drm/parameters/debug
+ */
+#define DRM_UT_NONE 0x00
+#define DRM_UT_CORE 0x01
+#define DRM_UT_DRIVER 0x02
+#define DRM_UT_KMS 0x04
+#define DRM_UT_PRIME 0x08
+#define DRM_UT_ATOMIC 0x10
+#define DRM_UT_VBL 0x20
+#define DRM_UT_STATE 0x40
+#define DRM_UT_LEASE 0x80
+
+__printf(3, 4)
+void drm_dev_printk(const struct device *dev, const char *level,
+ const char *format, ...);
+__printf(3, 4)
+void drm_dev_dbg(const struct device *dev, unsigned int category,
+ const char *format, ...);
+
+__printf(2, 3)
+void drm_dbg(unsigned int category, const char *format, ...);
+__printf(1, 2)
+void drm_err(const char *format, ...);
+
+/* Macros to make printk easier */
+
+#define _DRM_PRINTK(once, level, fmt, ...) \
+ printk##once(KERN_##level "[" DRM_NAME "] " fmt, ##__VA_ARGS__)
+
+#define DRM_INFO(fmt, ...) \
+ _DRM_PRINTK(, INFO, fmt, ##__VA_ARGS__)
+#define DRM_NOTE(fmt, ...) \
+ _DRM_PRINTK(, NOTICE, fmt, ##__VA_ARGS__)
+#define DRM_WARN(fmt, ...) \
+ _DRM_PRINTK(, WARNING, fmt, ##__VA_ARGS__)
+
+#define DRM_INFO_ONCE(fmt, ...) \
+ _DRM_PRINTK(_once, INFO, fmt, ##__VA_ARGS__)
+#define DRM_NOTE_ONCE(fmt, ...) \
+ _DRM_PRINTK(_once, NOTICE, fmt, ##__VA_ARGS__)
+#define DRM_WARN_ONCE(fmt, ...) \
+ _DRM_PRINTK(_once, WARNING, fmt, ##__VA_ARGS__)
+
+/**
+ * Error output.
+ *
+ * @dev: device pointer
+ * @fmt: printf() like format string.
+ */
+#define DRM_DEV_ERROR(dev, fmt, ...) \
+ drm_dev_printk(dev, KERN_ERR, "*ERROR* " fmt, ##__VA_ARGS__)
+#define DRM_ERROR(fmt, ...) \
+ drm_err(fmt, ##__VA_ARGS__)
+
+/**
+ * Rate limited error output. Like DRM_ERROR() but won't flood the log.
+ *
+ * @dev: device pointer
+ * @fmt: printf() like format string.
+ */
+#define DRM_DEV_ERROR_RATELIMITED(dev, fmt, ...) \
+({ \
+ static DEFINE_RATELIMIT_STATE(_rs, \
+ DEFAULT_RATELIMIT_INTERVAL, \
+ DEFAULT_RATELIMIT_BURST); \
+ \
+ if (__ratelimit(&_rs)) \
+ DRM_DEV_ERROR(dev, fmt, ##__VA_ARGS__); \
+})
+#define DRM_ERROR_RATELIMITED(fmt, ...) \
+ DRM_DEV_ERROR_RATELIMITED(NULL, fmt, ##__VA_ARGS__)
+
+#define DRM_DEV_INFO(dev, fmt, ...) \
+ drm_dev_printk(dev, KERN_INFO, fmt, ##__VA_ARGS__)
+
+#define DRM_DEV_INFO_ONCE(dev, fmt, ...) \
+({ \
+ static bool __print_once __read_mostly; \
+ if (!__print_once) { \
+ __print_once = true; \
+ DRM_DEV_INFO(dev, fmt, ##__VA_ARGS__); \
+ } \
+})
+
+/**
+ * Debug output.
+ *
+ * @dev: device pointer
+ * @fmt: printf() like format string.
+ */
+#define DRM_DEV_DEBUG(dev, fmt, ...) \
+ drm_dev_dbg(dev, DRM_UT_CORE, fmt, ##__VA_ARGS__)
+#define DRM_DEBUG(fmt, ...) \
+ drm_dbg(DRM_UT_CORE, fmt, ##__VA_ARGS__)
+
+#define DRM_DEV_DEBUG_DRIVER(dev, fmt, ...) \
+ drm_dev_dbg(dev, DRM_UT_DRIVER, fmt, ##__VA_ARGS__)
+#define DRM_DEBUG_DRIVER(fmt, ...) \
+ drm_dbg(DRM_UT_DRIVER, fmt, ##__VA_ARGS__)
+
+#define DRM_DEV_DEBUG_KMS(dev, fmt, ...) \
+ drm_dev_dbg(dev, DRM_UT_KMS, fmt, ##__VA_ARGS__)
+#define DRM_DEBUG_KMS(fmt, ...) \
+ drm_dbg(DRM_UT_KMS, fmt, ##__VA_ARGS__)
+
+#define DRM_DEV_DEBUG_PRIME(dev, fmt, ...) \
+ drm_dev_dbg(dev, DRM_UT_PRIME, fmt, ##__VA_ARGS__)
+#define DRM_DEBUG_PRIME(fmt, ...) \
+ drm_dbg(DRM_UT_PRIME, fmt, ##__VA_ARGS__)
+
+#define DRM_DEV_DEBUG_ATOMIC(dev, fmt, ...) \
+ drm_dev_dbg(dev, DRM_UT_ATOMIC, fmt, ##__VA_ARGS__)
+#define DRM_DEBUG_ATOMIC(fmt, ...) \
+ drm_dbg(DRM_UT_ATOMIC, fmt, ##__VA_ARGS__)
+
+#define DRM_DEV_DEBUG_VBL(dev, fmt, ...) \
+ drm_dev_dbg(dev, DRM_UT_VBL, fmt, ##__VA_ARGS__)
+#define DRM_DEBUG_VBL(fmt, ...) \
+ drm_dbg(DRM_UT_VBL, fmt, ##__VA_ARGS__)
+
+#define DRM_DEBUG_LEASE(fmt, ...) \
+ drm_dbg(DRM_UT_LEASE, fmt, ##__VA_ARGS__)
+
+#define _DRM_DEV_DEFINE_DEBUG_RATELIMITED(dev, category, fmt, ...) \
+({ \
+ static DEFINE_RATELIMIT_STATE(_rs, \
+ DEFAULT_RATELIMIT_INTERVAL, \
+ DEFAULT_RATELIMIT_BURST); \
+ if (__ratelimit(&_rs)) \
+ drm_dev_dbg(dev, category, fmt, ##__VA_ARGS__); \
+})
+
+/**
+ * Rate limited debug output. Like DRM_DEBUG() but won't flood the log.
+ *
+ * @dev: device pointer
+ * @fmt: printf() like format string.
+ */
+#define DRM_DEV_DEBUG_RATELIMITED(dev, fmt, ...) \
+ _DEV_DRM_DEFINE_DEBUG_RATELIMITED(dev, DRM_UT_CORE, \
+ fmt, ##__VA_ARGS__)
+#define DRM_DEBUG_RATELIMITED(fmt, ...) \
+ DRM_DEV_DEBUG_RATELIMITED(NULL, fmt, ##__VA_ARGS__)
+
+#define DRM_DEV_DEBUG_DRIVER_RATELIMITED(dev, fmt, ...) \
+ _DRM_DEV_DEFINE_DEBUG_RATELIMITED(dev, DRM_UT_DRIVER, \
+ fmt, ##__VA_ARGS__)
+#define DRM_DEBUG_DRIVER_RATELIMITED(fmt, ...) \
+ DRM_DEV_DEBUG_DRIVER_RATELIMITED(NULL, fmt, ##__VA_ARGS__)
+
+#define DRM_DEV_DEBUG_KMS_RATELIMITED(dev, fmt, ...) \
+ _DRM_DEV_DEFINE_DEBUG_RATELIMITED(dev, DRM_UT_KMS, \
+ fmt, ##__VA_ARGS__)
+#define DRM_DEBUG_KMS_RATELIMITED(fmt, ...) \
+ DRM_DEV_DEBUG_KMS_RATELIMITED(NULL, fmt, ##__VA_ARGS__)
+
+#define DRM_DEV_DEBUG_PRIME_RATELIMITED(dev, fmt, ...) \
+ _DRM_DEV_DEFINE_DEBUG_RATELIMITED(dev, DRM_UT_PRIME, \
+ fmt, ##__VA_ARGS__)
+#define DRM_DEBUG_PRIME_RATELIMITED(fmt, ...) \
+ DRM_DEV_DEBUG_PRIME_RATELIMITED(NULL, fmt, ##__VA_ARGS__)
+
#endif /* DRM_PRINT_H_ */
diff --git a/include/drm/drm_property.h b/include/drm/drm_property.h
index 8a522b4bed40..d1423c7f3c73 100644
--- a/include/drm/drm_property.h
+++ b/include/drm/drm_property.h
@@ -209,7 +209,7 @@ struct drm_property_blob {
struct list_head head_global;
struct list_head head_file;
size_t length;
- unsigned char data[];
+ void *data;
};
struct drm_prop_enum_list {
@@ -237,27 +237,29 @@ static inline bool drm_property_type_is(struct drm_property *property,
return property->flags & type;
}
-struct drm_property *drm_property_create(struct drm_device *dev, int flags,
- const char *name, int num_values);
-struct drm_property *drm_property_create_enum(struct drm_device *dev, int flags,
- const char *name,
+struct drm_property *drm_property_create(struct drm_device *dev,
+ u32 flags, const char *name,
+ int num_values);
+struct drm_property *drm_property_create_enum(struct drm_device *dev,
+ u32 flags, const char *name,
const struct drm_prop_enum_list *props,
int num_values);
struct drm_property *drm_property_create_bitmask(struct drm_device *dev,
- int flags, const char *name,
+ u32 flags, const char *name,
const struct drm_prop_enum_list *props,
int num_props,
uint64_t supported_bits);
-struct drm_property *drm_property_create_range(struct drm_device *dev, int flags,
- const char *name,
+struct drm_property *drm_property_create_range(struct drm_device *dev,
+ u32 flags, const char *name,
uint64_t min, uint64_t max);
struct drm_property *drm_property_create_signed_range(struct drm_device *dev,
- int flags, const char *name,
+ u32 flags, const char *name,
int64_t min, int64_t max);
struct drm_property *drm_property_create_object(struct drm_device *dev,
- int flags, const char *name, uint32_t type);
-struct drm_property *drm_property_create_bool(struct drm_device *dev, int flags,
- const char *name);
+ u32 flags, const char *name,
+ uint32_t type);
+struct drm_property *drm_property_create_bool(struct drm_device *dev,
+ u32 flags, const char *name);
int drm_property_add_enum(struct drm_property *property, int index,
uint64_t value, const char *name);
void drm_property_destroy(struct drm_device *dev, struct drm_property *property);
diff --git a/include/drm/drm_simple_kms_helper.h b/include/drm/drm_simple_kms_helper.h
index 6d9adbb46293..1b4e352143fd 100644
--- a/include/drm/drm_simple_kms_helper.h
+++ b/include/drm/drm_simple_kms_helper.h
@@ -22,6 +22,41 @@ struct drm_simple_display_pipe;
*/
struct drm_simple_display_pipe_funcs {
/**
+ * @mode_valid:
+ *
+ * This callback is used to check if a specific mode is valid in the
+ * crtc used in this simple display pipe. This should be implemented
+ * if the display pipe has some sort of restriction in the modes
+ * it can display. For example, a given display pipe may be responsible
+ * to set a clock value. If the clock can not produce all the values
+ * for the available modes then this callback can be used to restrict
+ * the number of modes to only the ones that can be displayed. Another
+ * reason can be bandwidth mitigation: the memory port on the display
+ * controller can have bandwidth limitations not allowing pixel data
+ * to be fetched at any rate.
+ *
+ * This hook is used by the probe helpers to filter the mode list in
+ * drm_helper_probe_single_connector_modes(), and it is used by the
+ * atomic helpers to validate modes supplied by userspace in
+ * drm_atomic_helper_check_modeset().
+ *
+ * This function is optional.
+ *
+ * NOTE:
+ *
+ * Since this function is both called from the check phase of an atomic
+ * commit, and the mode validation in the probe paths it is not allowed
+ * to look at anything else but the passed-in mode, and validate it
+ * against configuration-invariant hardware constraints.
+ *
+ * RETURNS:
+ *
+ * drm_mode_status Enum
+ */
+ enum drm_mode_status (*mode_valid)(struct drm_crtc *crtc,
+ const struct drm_display_mode *mode);
+
+ /**
* @enable:
*
* This function should be used to enable the pipeline.
@@ -93,6 +128,24 @@ struct drm_simple_display_pipe_funcs {
*/
void (*cleanup_fb)(struct drm_simple_display_pipe *pipe,
struct drm_plane_state *plane_state);
+
+ /**
+ * @enable_vblank:
+ *
+ * Optional, called by &drm_crtc_funcs.enable_vblank. Please read
+ * the documentation for the &drm_crtc_funcs.enable_vblank hook for
+ * more details.
+ */
+ int (*enable_vblank)(struct drm_simple_display_pipe *pipe);
+
+ /**
+ * @disable_vblank:
+ *
+ * Optional, called by &drm_crtc_funcs.disable_vblank. Please read
+ * the documentation for the &drm_crtc_funcs.disable_vblank hook for
+ * more details.
+ */
+ void (*disable_vblank)(struct drm_simple_display_pipe *pipe);
};
/**
diff --git a/include/drm/drm_syncobj.h b/include/drm/drm_syncobj.h
index 43e2f382d2f0..3980602472c0 100644
--- a/include/drm/drm_syncobj.h
+++ b/include/drm/drm_syncobj.h
@@ -33,36 +33,31 @@ struct drm_syncobj_cb;
/**
* struct drm_syncobj - sync object.
*
- * This structure defines a generic sync object which wraps a dma fence.
+ * This structure defines a generic sync object which wraps a &dma_fence.
*/
struct drm_syncobj {
/**
- * @refcount:
- *
- * Reference count of this object.
+ * @refcount: Reference count of this object.
*/
struct kref refcount;
/**
* @fence:
* NULL or a pointer to the fence bound to this object.
*
- * This field should not be used directly. Use drm_syncobj_fence_get
- * and drm_syncobj_replace_fence instead.
+ * This field should not be used directly. Use drm_syncobj_fence_get()
+ * and drm_syncobj_replace_fence() instead.
*/
- struct dma_fence *fence;
+ struct dma_fence __rcu *fence;
/**
- * @cb_list:
- * List of callbacks to call when the fence gets replaced
+ * @cb_list: List of callbacks to call when the &fence gets replaced.
*/
struct list_head cb_list;
/**
- * @lock:
- * locks cb_list and write-locks fence.
+ * @lock: Protects &cb_list and write-locks &fence.
*/
spinlock_t lock;
/**
- * @file:
- * a file backing for this syncobj.
+ * @file: A file backing for this syncobj.
*/
struct file *file;
};
@@ -73,7 +68,7 @@ typedef void (*drm_syncobj_func_t)(struct drm_syncobj *syncobj,
/**
* struct drm_syncobj_cb - callback for drm_syncobj_add_callback
* @node: used by drm_syncob_add_callback to append this struct to
- * syncobj::cb_list
+ * &drm_syncobj.cb_list
* @func: drm_syncobj_func_t to call
*
* This struct will be initialized by drm_syncobj_add_callback, additional
@@ -92,7 +87,7 @@ void drm_syncobj_free(struct kref *kref);
* drm_syncobj_get - acquire a syncobj reference
* @obj: sync object
*
- * This acquires additional reference to @obj. It is illegal to call this
+ * This acquires an additional reference to @obj. It is illegal to call this
* without already holding a reference. No locks required.
*/
static inline void
@@ -111,6 +106,17 @@ drm_syncobj_put(struct drm_syncobj *obj)
kref_put(&obj->refcount, drm_syncobj_free);
}
+/**
+ * drm_syncobj_fence_get - get a reference to a fence in a sync object
+ * @syncobj: sync object.
+ *
+ * This acquires additional reference to &drm_syncobj.fence contained in @obj,
+ * if not NULL. It is illegal to call this without already holding a reference.
+ * No locks required.
+ *
+ * Returns:
+ * Either the fence of @obj or NULL if there's none.
+ */
static inline struct dma_fence *
drm_syncobj_fence_get(struct drm_syncobj *syncobj)
{
diff --git a/include/drm/drm_utils.h b/include/drm/drm_utils.h
new file mode 100644
index 000000000000..a803988d8579
--- /dev/null
+++ b/include/drm/drm_utils.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Function prototypes for misc. drm utility functions.
+ * Specifically this file is for function prototypes for functions which
+ * may also be used outside of drm code (e.g. in fbdev drivers).
+ *
+ * Copyright (C) 2017 Hans de Goede <hdegoede@redhat.com>
+ */
+
+#ifndef __DRM_UTILS_H__
+#define __DRM_UTILS_H__
+
+int drm_get_panel_orientation_quirk(int width, int height);
+
+#endif
diff --git a/include/drm/drm_vblank.h b/include/drm/drm_vblank.h
index 848b463a0af5..d25a9603ab57 100644
--- a/include/drm/drm_vblank.h
+++ b/include/drm/drm_vblank.h
@@ -55,8 +55,24 @@ struct drm_pending_vblank_event {
* @event: Actual event which will be sent to userspace.
*/
union {
+ /**
+ * @event.base: DRM event base class.
+ */
struct drm_event base;
+
+ /**
+ * @event.vbl:
+ *
+ * Event payload for vblank events, requested through
+ * either the MODE_PAGE_FLIP or MODE_ATOMIC IOCTL. Also
+ * generated by the legacy WAIT_VBLANK IOCTL, but new userspace
+ * should use MODE_QUEUE_SEQUENCE and &event.seq instead.
+ */
struct drm_event_vblank vbl;
+
+ /**
+ * @event.seq: Event payload for the MODE_QUEUEU_SEQUENCE IOCTL.
+ */
struct drm_event_crtc_sequence seq;
} event;
};
@@ -179,7 +195,9 @@ void drm_crtc_wait_one_vblank(struct drm_crtc *crtc);
void drm_crtc_vblank_off(struct drm_crtc *crtc);
void drm_crtc_vblank_reset(struct drm_crtc *crtc);
void drm_crtc_vblank_on(struct drm_crtc *crtc);
-u32 drm_crtc_accurate_vblank_count(struct drm_crtc *crtc);
+u64 drm_crtc_accurate_vblank_count(struct drm_crtc *crtc);
+void drm_vblank_restore(struct drm_device *dev, unsigned int pipe);
+void drm_crtc_vblank_restore(struct drm_crtc *crtc);
bool drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev,
unsigned int pipe, int *max_error,
diff --git a/include/drm/drm_vma_manager.h b/include/drm/drm_vma_manager.h
index d84d52f6d2b1..8758df94e9a0 100644
--- a/include/drm/drm_vma_manager.h
+++ b/include/drm/drm_vma_manager.h
@@ -152,7 +152,7 @@ static inline void drm_vma_node_reset(struct drm_vma_offset_node *node)
* Start address of @node for page-based addressing. 0 if the node does not
* have an offset allocated.
*/
-static inline unsigned long drm_vma_node_start(struct drm_vma_offset_node *node)
+static inline unsigned long drm_vma_node_start(const struct drm_vma_offset_node *node)
{
return node->vm_node.start;
}
diff --git a/include/drm/gpu_scheduler.h b/include/drm/gpu_scheduler.h
new file mode 100644
index 000000000000..dfd54fb94e10
--- /dev/null
+++ b/include/drm/gpu_scheduler.h
@@ -0,0 +1,173 @@
+/*
+ * Copyright 2015 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#ifndef _DRM_GPU_SCHEDULER_H_
+#define _DRM_GPU_SCHEDULER_H_
+
+#include <drm/spsc_queue.h>
+#include <linux/dma-fence.h>
+
+struct drm_gpu_scheduler;
+struct drm_sched_rq;
+
+enum drm_sched_priority {
+ DRM_SCHED_PRIORITY_MIN,
+ DRM_SCHED_PRIORITY_LOW = DRM_SCHED_PRIORITY_MIN,
+ DRM_SCHED_PRIORITY_NORMAL,
+ DRM_SCHED_PRIORITY_HIGH_SW,
+ DRM_SCHED_PRIORITY_HIGH_HW,
+ DRM_SCHED_PRIORITY_KERNEL,
+ DRM_SCHED_PRIORITY_MAX,
+ DRM_SCHED_PRIORITY_INVALID = -1,
+ DRM_SCHED_PRIORITY_UNSET = -2
+};
+
+/**
+ * A scheduler entity is a wrapper around a job queue or a group
+ * of other entities. Entities take turns emitting jobs from their
+ * job queues to corresponding hardware ring based on scheduling
+ * policy.
+*/
+struct drm_sched_entity {
+ struct list_head list;
+ struct drm_sched_rq *rq;
+ spinlock_t rq_lock;
+ struct drm_gpu_scheduler *sched;
+
+ spinlock_t queue_lock;
+ struct spsc_queue job_queue;
+
+ atomic_t fence_seq;
+ uint64_t fence_context;
+
+ struct dma_fence *dependency;
+ struct dma_fence_cb cb;
+ atomic_t *guilty; /* points to ctx's guilty */
+};
+
+/**
+ * Run queue is a set of entities scheduling command submissions for
+ * one specific ring. It implements the scheduling policy that selects
+ * the next entity to emit commands from.
+*/
+struct drm_sched_rq {
+ spinlock_t lock;
+ struct list_head entities;
+ struct drm_sched_entity *current_entity;
+};
+
+struct drm_sched_fence {
+ struct dma_fence scheduled;
+ struct dma_fence finished;
+ struct dma_fence_cb cb;
+ struct dma_fence *parent;
+ struct drm_gpu_scheduler *sched;
+ spinlock_t lock;
+ void *owner;
+};
+
+struct drm_sched_fence *to_drm_sched_fence(struct dma_fence *f);
+
+struct drm_sched_job {
+ struct spsc_node queue_node;
+ struct drm_gpu_scheduler *sched;
+ struct drm_sched_fence *s_fence;
+ struct dma_fence_cb finish_cb;
+ struct work_struct finish_work;
+ struct list_head node;
+ struct delayed_work work_tdr;
+ uint64_t id;
+ atomic_t karma;
+ enum drm_sched_priority s_priority;
+};
+
+static inline bool drm_sched_invalidate_job(struct drm_sched_job *s_job,
+ int threshold)
+{
+ return (s_job && atomic_inc_return(&s_job->karma) > threshold);
+}
+
+/**
+ * Define the backend operations called by the scheduler,
+ * these functions should be implemented in driver side
+*/
+struct drm_sched_backend_ops {
+ struct dma_fence *(*dependency)(struct drm_sched_job *sched_job,
+ struct drm_sched_entity *s_entity);
+ struct dma_fence *(*run_job)(struct drm_sched_job *sched_job);
+ void (*timedout_job)(struct drm_sched_job *sched_job);
+ void (*free_job)(struct drm_sched_job *sched_job);
+};
+
+/**
+ * One scheduler is implemented for each hardware ring
+*/
+struct drm_gpu_scheduler {
+ const struct drm_sched_backend_ops *ops;
+ uint32_t hw_submission_limit;
+ long timeout;
+ const char *name;
+ struct drm_sched_rq sched_rq[DRM_SCHED_PRIORITY_MAX];
+ wait_queue_head_t wake_up_worker;
+ wait_queue_head_t job_scheduled;
+ atomic_t hw_rq_count;
+ atomic64_t job_id_count;
+ struct task_struct *thread;
+ struct list_head ring_mirror_list;
+ spinlock_t job_list_lock;
+ int hang_limit;
+};
+
+int drm_sched_init(struct drm_gpu_scheduler *sched,
+ const struct drm_sched_backend_ops *ops,
+ uint32_t hw_submission, unsigned hang_limit, long timeout,
+ const char *name);
+void drm_sched_fini(struct drm_gpu_scheduler *sched);
+
+int drm_sched_entity_init(struct drm_gpu_scheduler *sched,
+ struct drm_sched_entity *entity,
+ struct drm_sched_rq *rq,
+ uint32_t jobs, atomic_t *guilty);
+void drm_sched_entity_fini(struct drm_gpu_scheduler *sched,
+ struct drm_sched_entity *entity);
+void drm_sched_entity_push_job(struct drm_sched_job *sched_job,
+ struct drm_sched_entity *entity);
+void drm_sched_entity_set_rq(struct drm_sched_entity *entity,
+ struct drm_sched_rq *rq);
+
+struct drm_sched_fence *drm_sched_fence_create(
+ struct drm_sched_entity *s_entity, void *owner);
+void drm_sched_fence_scheduled(struct drm_sched_fence *fence);
+void drm_sched_fence_finished(struct drm_sched_fence *fence);
+int drm_sched_job_init(struct drm_sched_job *job,
+ struct drm_gpu_scheduler *sched,
+ struct drm_sched_entity *entity,
+ void *owner);
+void drm_sched_hw_job_reset(struct drm_gpu_scheduler *sched,
+ struct drm_sched_job *job);
+void drm_sched_job_recovery(struct drm_gpu_scheduler *sched);
+bool drm_sched_dependency_optimized(struct dma_fence* fence,
+ struct drm_sched_entity *entity);
+void drm_sched_job_kickout(struct drm_sched_job *s_job);
+
+#endif
diff --git a/include/drm/gpu_scheduler_trace.h b/include/drm/gpu_scheduler_trace.h
new file mode 100644
index 000000000000..0789e8d0a0e1
--- /dev/null
+++ b/include/drm/gpu_scheduler_trace.h
@@ -0,0 +1,82 @@
+/*
+ * Copyright 2017 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#if !defined(_GPU_SCHED_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _GPU_SCHED_TRACE_H_
+
+#include <linux/stringify.h>
+#include <linux/types.h>
+#include <linux/tracepoint.h>
+
+#include <drm/drmP.h>
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM gpu_scheduler
+#define TRACE_INCLUDE_FILE gpu_scheduler_trace
+
+TRACE_EVENT(drm_sched_job,
+ TP_PROTO(struct drm_sched_job *sched_job, struct drm_sched_entity *entity),
+ TP_ARGS(sched_job, entity),
+ TP_STRUCT__entry(
+ __field(struct drm_sched_entity *, entity)
+ __field(struct dma_fence *, fence)
+ __field(const char *, name)
+ __field(uint64_t, id)
+ __field(u32, job_count)
+ __field(int, hw_job_count)
+ ),
+
+ TP_fast_assign(
+ __entry->entity = entity;
+ __entry->id = sched_job->id;
+ __entry->fence = &sched_job->s_fence->finished;
+ __entry->name = sched_job->sched->name;
+ __entry->job_count = spsc_queue_count(&entity->job_queue);
+ __entry->hw_job_count = atomic_read(
+ &sched_job->sched->hw_rq_count);
+ ),
+ TP_printk("entity=%p, id=%llu, fence=%p, ring=%s, job count:%u, hw job count:%d",
+ __entry->entity, __entry->id,
+ __entry->fence, __entry->name,
+ __entry->job_count, __entry->hw_job_count)
+);
+
+TRACE_EVENT(drm_sched_process_job,
+ TP_PROTO(struct drm_sched_fence *fence),
+ TP_ARGS(fence),
+ TP_STRUCT__entry(
+ __field(struct dma_fence *, fence)
+ ),
+
+ TP_fast_assign(
+ __entry->fence = &fence->finished;
+ ),
+ TP_printk("fence=%p signaled", __entry->fence)
+);
+
+#endif
+
+/* This part must be outside protection */
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+#include <trace/define_trace.h>
diff --git a/include/drm/i915_component.h b/include/drm/i915_component.h
index 545c6e0fea7d..346b1f5cb180 100644
--- a/include/drm/i915_component.h
+++ b/include/drm/i915_component.h
@@ -26,9 +26,8 @@
/* MAX_PORT is the number of port
* It must be sync with I915_MAX_PORTS defined i915_drv.h
- * 5 should be enough as only HSW, BDW, SKL need such fix.
*/
-#define MAX_PORTS 5
+#define MAX_PORTS 6
/**
* struct i915_audio_component_ops - Ops implemented by i915 driver, called by hda driver
diff --git a/include/drm/i915_drm.h b/include/drm/i915_drm.h
index 4e1b274e1164..c9e5a6621b95 100644
--- a/include/drm/i915_drm.h
+++ b/include/drm/i915_drm.h
@@ -36,6 +36,9 @@ extern bool i915_gpu_lower(void);
extern bool i915_gpu_busy(void);
extern bool i915_gpu_turbo_disable(void);
+/* Exported from arch/x86/kernel/early-quirks.c */
+extern struct resource intel_graphics_stolen_res;
+
/*
* The Bridge device's PCI config space has information about the
* fb aperture size and the amount of pre-reserved memory.
diff --git a/include/drm/i915_pciids.h b/include/drm/i915_pciids.h
index 972a25633525..70f0c2535b87 100644
--- a/include/drm/i915_pciids.h
+++ b/include/drm/i915_pciids.h
@@ -373,43 +373,74 @@
/* CFL S */
#define INTEL_CFL_S_GT1_IDS(info) \
INTEL_VGA_DEVICE(0x3E90, info), /* SRV GT1 */ \
- INTEL_VGA_DEVICE(0x3E93, info) /* SRV GT1 */
+ INTEL_VGA_DEVICE(0x3E93, info), /* SRV GT1 */ \
+ INTEL_VGA_DEVICE(0x3E99, info) /* SRV GT1 */
#define INTEL_CFL_S_GT2_IDS(info) \
INTEL_VGA_DEVICE(0x3E91, info), /* SRV GT2 */ \
INTEL_VGA_DEVICE(0x3E92, info), /* SRV GT2 */ \
- INTEL_VGA_DEVICE(0x3E96, info) /* SRV GT2 */
+ INTEL_VGA_DEVICE(0x3E96, info), /* SRV GT2 */ \
+ INTEL_VGA_DEVICE(0x3E9A, info) /* SRV GT2 */
/* CFL H */
#define INTEL_CFL_H_GT2_IDS(info) \
INTEL_VGA_DEVICE(0x3E9B, info), /* Halo GT2 */ \
INTEL_VGA_DEVICE(0x3E94, info) /* Halo GT2 */
-/* CFL U */
+/* CFL U GT1 */
+#define INTEL_CFL_U_GT1_IDS(info) \
+ INTEL_VGA_DEVICE(0x3EA1, info), \
+ INTEL_VGA_DEVICE(0x3EA4, info)
+
+/* CFL U GT2 */
+#define INTEL_CFL_U_GT2_IDS(info) \
+ INTEL_VGA_DEVICE(0x3EA0, info), \
+ INTEL_VGA_DEVICE(0x3EA3, info), \
+ INTEL_VGA_DEVICE(0x3EA9, info)
+
+/* CFL U GT3 */
#define INTEL_CFL_U_GT3_IDS(info) \
+ INTEL_VGA_DEVICE(0x3EA2, info), /* ULT GT3 */ \
+ INTEL_VGA_DEVICE(0x3EA5, info), /* ULT GT3 */ \
INTEL_VGA_DEVICE(0x3EA6, info), /* ULT GT3 */ \
INTEL_VGA_DEVICE(0x3EA7, info), /* ULT GT3 */ \
- INTEL_VGA_DEVICE(0x3EA8, info), /* ULT GT3 */ \
- INTEL_VGA_DEVICE(0x3EA5, info) /* ULT GT3 */
+ INTEL_VGA_DEVICE(0x3EA8, info) /* ULT GT3 */
-/* CNL U 2+2 */
-#define INTEL_CNL_U_GT2_IDS(info) \
- INTEL_VGA_DEVICE(0x5A52, info), \
- INTEL_VGA_DEVICE(0x5A5A, info), \
- INTEL_VGA_DEVICE(0x5A42, info), \
- INTEL_VGA_DEVICE(0x5A4A, info)
+#define INTEL_CFL_IDS(info) \
+ INTEL_CFL_S_GT1_IDS(info), \
+ INTEL_CFL_S_GT2_IDS(info), \
+ INTEL_CFL_H_GT2_IDS(info), \
+ INTEL_CFL_U_GT1_IDS(info), \
+ INTEL_CFL_U_GT2_IDS(info), \
+ INTEL_CFL_U_GT3_IDS(info)
-/* CNL Y 2+2 */
-#define INTEL_CNL_Y_GT2_IDS(info) \
+/* CNL */
+#define INTEL_CNL_IDS(info) \
INTEL_VGA_DEVICE(0x5A51, info), \
INTEL_VGA_DEVICE(0x5A59, info), \
INTEL_VGA_DEVICE(0x5A41, info), \
INTEL_VGA_DEVICE(0x5A49, info), \
- INTEL_VGA_DEVICE(0x5A71, info), \
- INTEL_VGA_DEVICE(0x5A79, info)
-
-#define INTEL_CNL_IDS(info) \
- INTEL_CNL_U_GT2_IDS(info), \
- INTEL_CNL_Y_GT2_IDS(info)
+ INTEL_VGA_DEVICE(0x5A52, info), \
+ INTEL_VGA_DEVICE(0x5A5A, info), \
+ INTEL_VGA_DEVICE(0x5A42, info), \
+ INTEL_VGA_DEVICE(0x5A4A, info), \
+ INTEL_VGA_DEVICE(0x5A50, info), \
+ INTEL_VGA_DEVICE(0x5A40, info), \
+ INTEL_VGA_DEVICE(0x5A54, info), \
+ INTEL_VGA_DEVICE(0x5A5C, info), \
+ INTEL_VGA_DEVICE(0x5A44, info), \
+ INTEL_VGA_DEVICE(0x5A4C, info)
+
+/* ICL */
+#define INTEL_ICL_11_IDS(info) \
+ INTEL_VGA_DEVICE(0x8A50, info), \
+ INTEL_VGA_DEVICE(0x8A51, info), \
+ INTEL_VGA_DEVICE(0x8A5C, info), \
+ INTEL_VGA_DEVICE(0x8A5D, info), \
+ INTEL_VGA_DEVICE(0x8A52, info), \
+ INTEL_VGA_DEVICE(0x8A5A, info), \
+ INTEL_VGA_DEVICE(0x8A5B, info), \
+ INTEL_VGA_DEVICE(0x8A71, info), \
+ INTEL_VGA_DEVICE(0x8A70, info)
#endif /* _I915_PCIIDS_H */
diff --git a/include/drm/intel-gtt.h b/include/drm/intel-gtt.h
index c5db7975c640..2324c84a25c0 100644
--- a/include/drm/intel-gtt.h
+++ b/include/drm/intel-gtt.h
@@ -5,9 +5,8 @@
#define _DRM_INTEL_GTT_H
void intel_gtt_get(u64 *gtt_total,
- u32 *stolen_size,
phys_addr_t *mappable_base,
- u64 *mappable_end);
+ resource_size_t *mappable_end);
int intel_gmch_probe(struct pci_dev *bridge_pdev, struct pci_dev *gpu_pdev,
struct agp_bridge_data *bridge);
diff --git a/include/drm/spsc_queue.h b/include/drm/spsc_queue.h
new file mode 100644
index 000000000000..125f096c88cb
--- /dev/null
+++ b/include/drm/spsc_queue.h
@@ -0,0 +1,122 @@
+/*
+ * Copyright 2017 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#ifndef DRM_SCHEDULER_SPSC_QUEUE_H_
+#define DRM_SCHEDULER_SPSC_QUEUE_H_
+
+#include <linux/atomic.h>
+#include <linux/preempt.h>
+
+/** SPSC lockless queue */
+
+struct spsc_node {
+
+ /* Stores spsc_node* */
+ struct spsc_node *next;
+};
+
+struct spsc_queue {
+
+ struct spsc_node *head;
+
+ /* atomic pointer to struct spsc_node* */
+ atomic_long_t tail;
+
+ atomic_t job_count;
+};
+
+static inline void spsc_queue_init(struct spsc_queue *queue)
+{
+ queue->head = NULL;
+ atomic_long_set(&queue->tail, (long)&queue->head);
+ atomic_set(&queue->job_count, 0);
+}
+
+static inline struct spsc_node *spsc_queue_peek(struct spsc_queue *queue)
+{
+ return queue->head;
+}
+
+static inline int spsc_queue_count(struct spsc_queue *queue)
+{
+ return atomic_read(&queue->job_count);
+}
+
+static inline bool spsc_queue_push(struct spsc_queue *queue, struct spsc_node *node)
+{
+ struct spsc_node **tail;
+
+ node->next = NULL;
+
+ preempt_disable();
+
+ tail = (struct spsc_node **)atomic_long_xchg(&queue->tail, (long)&node->next);
+ WRITE_ONCE(*tail, node);
+ atomic_inc(&queue->job_count);
+
+ /*
+ * In case of first element verify new node will be visible to the consumer
+ * thread when we ping the kernel thread that there is new work to do.
+ */
+ smp_wmb();
+
+ preempt_enable();
+
+ return tail == &queue->head;
+}
+
+
+static inline struct spsc_node *spsc_queue_pop(struct spsc_queue *queue)
+{
+ struct spsc_node *next, *node;
+
+ /* Verify reading from memory and not the cache */
+ smp_rmb();
+
+ node = READ_ONCE(queue->head);
+
+ if (!node)
+ return NULL;
+
+ next = READ_ONCE(node->next);
+ WRITE_ONCE(queue->head, next);
+
+ if (unlikely(!next)) {
+ /* slowpath for the last element in the queue */
+
+ if (atomic_long_cmpxchg(&queue->tail,
+ (long)&node->next, (long) &queue->head) != (long)&node->next) {
+ /* Updating tail failed wait for new next to appear */
+ do {
+ smp_rmb();
+ } while (unlikely(!(queue->head = READ_ONCE(node->next))));
+ }
+ }
+
+ atomic_dec(&queue->job_count);
+ return node;
+}
+
+
+
+#endif /* DRM_SCHEDULER_SPSC_QUEUE_H_ */
diff --git a/include/drm/tinydrm/ili9341.h b/include/drm/tinydrm/ili9341.h
deleted file mode 100644
index 807a09f43cad..000000000000
--- a/include/drm/tinydrm/ili9341.h
+++ /dev/null
@@ -1,54 +0,0 @@
-/*
- * ILI9341 LCD controller
- *
- * Copyright 2016 Noralf Trønnes
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- */
-
-#ifndef __LINUX_ILI9341_H
-#define __LINUX_ILI9341_H
-
-#define ILI9341_FRMCTR1 0xb1
-#define ILI9341_FRMCTR2 0xb2
-#define ILI9341_FRMCTR3 0xb3
-#define ILI9341_INVTR 0xb4
-#define ILI9341_PRCTR 0xb5
-#define ILI9341_DISCTRL 0xb6
-#define ILI9341_ETMOD 0xb7
-
-#define ILI9341_PWCTRL1 0xc0
-#define ILI9341_PWCTRL2 0xc1
-#define ILI9341_VMCTRL1 0xc5
-#define ILI9341_VMCTRL2 0xc7
-#define ILI9341_PWCTRLA 0xcb
-#define ILI9341_PWCTRLB 0xcf
-
-#define ILI9341_RDID1 0xda
-#define ILI9341_RDID2 0xdb
-#define ILI9341_RDID3 0xdc
-#define ILI9341_RDID4 0xd3
-
-#define ILI9341_PGAMCTRL 0xe0
-#define ILI9341_NGAMCTRL 0xe1
-#define ILI9341_DGAMCTRL1 0xe2
-#define ILI9341_DGAMCTRL2 0xe3
-#define ILI9341_DTCTRLA 0xe8
-#define ILI9341_DTCTRLB 0xea
-#define ILI9341_PWRSEQ 0xed
-
-#define ILI9341_EN3GAM 0xf2
-#define ILI9341_IFCTRL 0xf6
-#define ILI9341_PUMPCTRL 0xf7
-
-#define ILI9341_MADCTL_MH BIT(2)
-#define ILI9341_MADCTL_BGR BIT(3)
-#define ILI9341_MADCTL_ML BIT(4)
-#define ILI9341_MADCTL_MV BIT(5)
-#define ILI9341_MADCTL_MX BIT(6)
-#define ILI9341_MADCTL_MY BIT(7)
-
-#endif /* __LINUX_ILI9341_H */
diff --git a/include/drm/tinydrm/mipi-dbi.h b/include/drm/tinydrm/mipi-dbi.h
index 83346ddb9dba..44e824af2ef6 100644
--- a/include/drm/tinydrm/mipi-dbi.h
+++ b/include/drm/tinydrm/mipi-dbi.h
@@ -67,15 +67,18 @@ int mipi_dbi_init(struct device *dev, struct mipi_dbi *mipi,
const struct drm_simple_display_pipe_funcs *pipe_funcs,
struct drm_driver *driver,
const struct drm_display_mode *mode, unsigned int rotation);
-void mipi_dbi_pipe_enable(struct drm_simple_display_pipe *pipe,
- struct drm_crtc_state *crtc_state);
+void mipi_dbi_enable_flush(struct mipi_dbi *mipi);
void mipi_dbi_pipe_disable(struct drm_simple_display_pipe *pipe);
void mipi_dbi_hw_reset(struct mipi_dbi *mipi);
bool mipi_dbi_display_is_on(struct mipi_dbi *mipi);
+int mipi_dbi_poweron_reset(struct mipi_dbi *mipi);
+int mipi_dbi_poweron_conditional_reset(struct mipi_dbi *mipi);
+u32 mipi_dbi_spi_cmd_max_speed(struct spi_device *spi, size_t len);
int mipi_dbi_command_read(struct mipi_dbi *mipi, u8 cmd, u8 *val);
int mipi_dbi_command_buf(struct mipi_dbi *mipi, u8 cmd, u8 *data, size_t len);
-
+int mipi_dbi_buf_copy(void *dst, struct drm_framebuffer *fb,
+ struct drm_clip_rect *clip, bool swap);
/**
* mipi_dbi_command - MIPI DCS command with optional parameter(s)
* @mipi: MIPI structure
diff --git a/include/drm/tinydrm/tinydrm-helpers.h b/include/drm/tinydrm/tinydrm-helpers.h
index d554ded60ee9..0a4ddbc04c60 100644
--- a/include/drm/tinydrm/tinydrm-helpers.h
+++ b/include/drm/tinydrm/tinydrm-helpers.h
@@ -46,10 +46,6 @@ void tinydrm_xrgb8888_to_rgb565(u16 *dst, void *vaddr,
void tinydrm_xrgb8888_to_gray8(u8 *dst, void *vaddr, struct drm_framebuffer *fb,
struct drm_clip_rect *clip);
-struct backlight_device *tinydrm_of_find_backlight(struct device *dev);
-int tinydrm_enable_backlight(struct backlight_device *backlight);
-int tinydrm_disable_backlight(struct backlight_device *backlight);
-
size_t tinydrm_spi_max_transfer_size(struct spi_device *spi, size_t max_len);
bool tinydrm_spi_bpw_supported(struct spi_device *spi, u8 bpw);
int tinydrm_spi_transfer(struct spi_device *spi, u32 speed_hz,
diff --git a/include/drm/tinydrm/tinydrm.h b/include/drm/tinydrm/tinydrm.h
index 4774fe3d4273..07a9a11fe19d 100644
--- a/include/drm/tinydrm/tinydrm.h
+++ b/include/drm/tinydrm/tinydrm.h
@@ -19,16 +19,12 @@
* @drm: DRM device
* @pipe: Display pipe structure
* @dirty_lock: Serializes framebuffer flushing
- * @fbdev_cma: CMA fbdev structure
- * @suspend_state: Atomic state when suspended
* @fb_funcs: Framebuffer functions used when creating framebuffers
*/
struct tinydrm_device {
struct drm_device *drm;
struct drm_simple_display_pipe pipe;
struct mutex dirty_lock;
- struct drm_fbdev_cma *fbdev_cma;
- struct drm_atomic_state *suspend_state;
const struct drm_framebuffer_funcs *fb_funcs;
};
@@ -46,6 +42,7 @@ pipe_to_tinydrm(struct drm_simple_display_pipe *pipe)
*/
#define TINYDRM_GEM_DRIVER_OPS \
.gem_free_object = tinydrm_gem_cma_free_object, \
+ .gem_print_info = drm_gem_cma_print_info, \
.gem_vm_ops = &drm_gem_cma_vm_ops, \
.prime_handle_to_fd = drm_gem_prime_handle_to_fd, \
.prime_fd_to_handle = drm_gem_prime_fd_to_handle, \
@@ -81,7 +78,6 @@ pipe_to_tinydrm(struct drm_simple_display_pipe *pipe)
.type = DRM_MODE_TYPE_DRIVER, \
.clock = 1 /* pass validation */
-void tinydrm_lastclose(struct drm_device *drm);
void tinydrm_gem_cma_free_object(struct drm_gem_object *gem_obj);
struct drm_gem_object *
tinydrm_gem_cma_prime_import_sg_table(struct drm_device *drm,
@@ -92,8 +88,6 @@ int devm_tinydrm_init(struct device *parent, struct tinydrm_device *tdev,
struct drm_driver *driver);
int devm_tinydrm_register(struct tinydrm_device *tdev);
void tinydrm_shutdown(struct tinydrm_device *tdev);
-int tinydrm_suspend(struct tinydrm_device *tdev);
-int tinydrm_resume(struct tinydrm_device *tdev);
void tinydrm_display_pipe_update(struct drm_simple_display_pipe *pipe,
struct drm_plane_state *old_state);
diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h
index fa07be197945..c67977aa1a0e 100644
--- a/include/drm/ttm/ttm_bo_api.h
+++ b/include/drm/ttm/ttm_bo_api.h
@@ -41,6 +41,8 @@
#include <linux/bitmap.h>
#include <linux/reservation.h>
+struct ttm_bo_global;
+
struct ttm_bo_device;
struct drm_mm_node;
@@ -169,7 +171,6 @@ struct ttm_buffer_object {
* Members constant at init.
*/
- struct ttm_bo_global *glob;
struct ttm_bo_device *bdev;
enum ttm_bo_type type;
void (*destroy) (struct ttm_buffer_object *);
@@ -224,7 +225,6 @@ struct ttm_buffer_object {
*/
uint64_t offset; /* GPU address space is independent of CPU word size */
- uint32_t cur_placement;
struct sg_table *sg;
@@ -260,6 +260,30 @@ struct ttm_bo_kmap_obj {
};
/**
+ * struct ttm_operation_ctx
+ *
+ * @interruptible: Sleep interruptible if sleeping.
+ * @no_wait_gpu: Return immediately if the GPU is busy.
+ * @resv: Reservation object to allow reserved evictions with.
+ * @flags: Including the following flags
+ *
+ * Context for TTM operations like changing buffer placement or general memory
+ * allocation.
+ */
+struct ttm_operation_ctx {
+ bool interruptible;
+ bool no_wait_gpu;
+ struct reservation_object *resv;
+ uint64_t bytes_moved;
+ uint32_t flags;
+};
+
+/* Allow eviction of reserved BOs */
+#define TTM_OPT_FLAG_ALLOW_RES_EVICT 0x1
+/* when serving page fault or suspend, allow alloc anyway */
+#define TTM_OPT_FLAG_FORCE_ALLOC 0x2
+
+/**
* ttm_bo_reference - reference a struct ttm_buffer_object
*
* @bo: The buffer object.
@@ -288,8 +312,7 @@ ttm_bo_reference(struct ttm_buffer_object *bo)
* Returns -EBUSY if no_wait is true and the buffer is busy.
* Returns -ERESTARTSYS if interrupted by a signal.
*/
-extern int ttm_bo_wait(struct ttm_buffer_object *bo,
- bool interruptible, bool no_wait);
+int ttm_bo_wait(struct ttm_buffer_object *bo, bool interruptible, bool no_wait);
/**
* ttm_bo_mem_compat - Check if proposed placement is compatible with a bo
@@ -300,17 +323,15 @@ extern int ttm_bo_wait(struct ttm_buffer_object *bo,
*
* Returns true if the placement is compatible
*/
-extern bool ttm_bo_mem_compat(struct ttm_placement *placement,
- struct ttm_mem_reg *mem,
- uint32_t *new_flags);
+bool ttm_bo_mem_compat(struct ttm_placement *placement, struct ttm_mem_reg *mem,
+ uint32_t *new_flags);
/**
* ttm_bo_validate
*
* @bo: The buffer object.
* @placement: Proposed placement for the buffer object.
- * @interruptible: Sleep interruptible if sleeping.
- * @no_wait_gpu: Return immediately if the GPU is busy.
+ * @ctx: validation parameters.
*
* Changes placement and caching policy of the buffer object
* according proposed placement.
@@ -320,10 +341,9 @@ extern bool ttm_bo_mem_compat(struct ttm_placement *placement,
* -EBUSY if no_wait is true and buffer busy.
* -ERESTARTSYS if interrupted by a signal.
*/
-extern int ttm_bo_validate(struct ttm_buffer_object *bo,
- struct ttm_placement *placement,
- bool interruptible,
- bool no_wait_gpu);
+int ttm_bo_validate(struct ttm_buffer_object *bo,
+ struct ttm_placement *placement,
+ struct ttm_operation_ctx *ctx);
/**
* ttm_bo_unref
@@ -332,7 +352,7 @@ extern int ttm_bo_validate(struct ttm_buffer_object *bo,
*
* Unreference and clear a pointer to a buffer object.
*/
-extern void ttm_bo_unref(struct ttm_buffer_object **bo);
+void ttm_bo_unref(struct ttm_buffer_object **bo);
/**
* ttm_bo_add_to_lru
@@ -344,7 +364,7 @@ extern void ttm_bo_unref(struct ttm_buffer_object **bo);
* This function must be called with struct ttm_bo_global::lru_lock held, and
* is typically called immediately prior to unreserving a bo.
*/
-extern void ttm_bo_add_to_lru(struct ttm_buffer_object *bo);
+void ttm_bo_add_to_lru(struct ttm_buffer_object *bo);
/**
* ttm_bo_del_from_lru
@@ -356,7 +376,7 @@ extern void ttm_bo_add_to_lru(struct ttm_buffer_object *bo);
* and is usually called just immediately after the bo has been reserved to
* avoid recursive reservation from lru lists.
*/
-extern void ttm_bo_del_from_lru(struct ttm_buffer_object *bo);
+void ttm_bo_del_from_lru(struct ttm_buffer_object *bo);
/**
* ttm_bo_move_to_lru_tail
@@ -367,7 +387,7 @@ extern void ttm_bo_del_from_lru(struct ttm_buffer_object *bo);
* object. This function must be called with struct ttm_bo_global::lru_lock
* held, and is used to make a BO less likely to be considered for eviction.
*/
-extern void ttm_bo_move_to_lru_tail(struct ttm_buffer_object *bo);
+void ttm_bo_move_to_lru_tail(struct ttm_buffer_object *bo);
/**
* ttm_bo_lock_delayed_workqueue
@@ -376,15 +396,14 @@ extern void ttm_bo_move_to_lru_tail(struct ttm_buffer_object *bo);
* Returns
* True if the workqueue was queued at the time
*/
-extern int ttm_bo_lock_delayed_workqueue(struct ttm_bo_device *bdev);
+int ttm_bo_lock_delayed_workqueue(struct ttm_bo_device *bdev);
/**
* ttm_bo_unlock_delayed_workqueue
*
* Allows the delayed workqueue to run.
*/
-extern void ttm_bo_unlock_delayed_workqueue(struct ttm_bo_device *bdev,
- int resched);
+void ttm_bo_unlock_delayed_workqueue(struct ttm_bo_device *bdev, int resched);
/**
* ttm_bo_eviction_valuable
@@ -411,8 +430,7 @@ bool ttm_bo_eviction_valuable(struct ttm_buffer_object *bo,
* -EBUSY if the buffer is busy and no_wait is true.
* -ERESTARTSYS if interrupted by a signal.
*/
-extern int
-ttm_bo_synccpu_write_grab(struct ttm_buffer_object *bo, bool no_wait);
+int ttm_bo_synccpu_write_grab(struct ttm_buffer_object *bo, bool no_wait);
/**
* ttm_bo_synccpu_write_release:
@@ -421,7 +439,7 @@ ttm_bo_synccpu_write_grab(struct ttm_buffer_object *bo, bool no_wait);
*
* Releases a synccpu lock.
*/
-extern void ttm_bo_synccpu_write_release(struct ttm_buffer_object *bo);
+void ttm_bo_synccpu_write_release(struct ttm_buffer_object *bo);
/**
* ttm_bo_acc_size
@@ -448,13 +466,7 @@ size_t ttm_bo_dma_acc_size(struct ttm_bo_device *bdev,
* @type: Requested type of buffer object.
* @flags: Initial placement flags.
* @page_alignment: Data alignment in pages.
- * @interruptible: If needing to sleep to wait for GPU resources,
- * sleep interruptible.
- * @persistent_swap_storage: Usually the swap storage is deleted for buffers
- * pinned in physical memory. If this behaviour is not desired, this member
- * holds a pointer to a persistent shmem object. Typically, this would
- * point to the shmem object backing a GEM object if TTM is used to back a
- * GEM user interface.
+ * @ctx: TTM operation context for memory allocation.
* @acc_size: Accounted size for this object.
* @resv: Pointer to a reservation_object, or NULL to let ttm allocate one.
* @destroy: Destroy function. Use NULL for kfree().
@@ -480,18 +492,17 @@ size_t ttm_bo_dma_acc_size(struct ttm_bo_device *bdev,
* -ERESTARTSYS: Interrupted by signal while sleeping waiting for resources.
*/
-extern int ttm_bo_init_reserved(struct ttm_bo_device *bdev,
- struct ttm_buffer_object *bo,
- unsigned long size,
- enum ttm_bo_type type,
- struct ttm_placement *placement,
- uint32_t page_alignment,
- bool interrubtible,
- struct file *persistent_swap_storage,
- size_t acc_size,
- struct sg_table *sg,
- struct reservation_object *resv,
- void (*destroy) (struct ttm_buffer_object *));
+int ttm_bo_init_reserved(struct ttm_bo_device *bdev,
+ struct ttm_buffer_object *bo,
+ unsigned long size,
+ enum ttm_bo_type type,
+ struct ttm_placement *placement,
+ uint32_t page_alignment,
+ struct ttm_operation_ctx *ctx,
+ size_t acc_size,
+ struct sg_table *sg,
+ struct reservation_object *resv,
+ void (*destroy) (struct ttm_buffer_object *));
/**
* ttm_bo_init
@@ -504,7 +515,6 @@ extern int ttm_bo_init_reserved(struct ttm_bo_device *bdev,
* @page_alignment: Data alignment in pages.
* @interruptible: If needing to sleep to wait for GPU resources,
* sleep interruptible.
- * @persistent_swap_storage: Usually the swap storage is deleted for buffers
* pinned in physical memory. If this behaviour is not desired, this member
* holds a pointer to a persistent shmem object. Typically, this would
* point to the shmem object backing a GEM object if TTM is used to back a
@@ -531,19 +541,12 @@ extern int ttm_bo_init_reserved(struct ttm_bo_device *bdev,
* -EINVAL: Invalid placement flags.
* -ERESTARTSYS: Interrupted by signal while sleeping waiting for resources.
*/
-
-extern int ttm_bo_init(struct ttm_bo_device *bdev,
- struct ttm_buffer_object *bo,
- unsigned long size,
- enum ttm_bo_type type,
- struct ttm_placement *placement,
- uint32_t page_alignment,
- bool interrubtible,
- struct file *persistent_swap_storage,
- size_t acc_size,
- struct sg_table *sg,
- struct reservation_object *resv,
- void (*destroy) (struct ttm_buffer_object *));
+int ttm_bo_init(struct ttm_bo_device *bdev, struct ttm_buffer_object *bo,
+ unsigned long size, enum ttm_bo_type type,
+ struct ttm_placement *placement,
+ uint32_t page_alignment, bool interrubtible, size_t acc_size,
+ struct sg_table *sg, struct reservation_object *resv,
+ void (*destroy) (struct ttm_buffer_object *));
/**
* ttm_bo_create
@@ -555,11 +558,6 @@ extern int ttm_bo_init(struct ttm_bo_device *bdev,
* @page_alignment: Data alignment in pages.
* @interruptible: If needing to sleep while waiting for GPU resources,
* sleep interruptible.
- * @persistent_swap_storage: Usually the swap storage is deleted for buffers
- * pinned in physical memory. If this behaviour is not desired, this member
- * holds a pointer to a persistent shmem object. Typically, this would
- * point to the shmem object backing a GEM object if TTM is used to back a
- * GEM user interface.
* @p_bo: On successful completion *p_bo points to the created object.
*
* This function allocates a ttm_buffer_object, and then calls ttm_bo_init
@@ -569,15 +567,10 @@ extern int ttm_bo_init(struct ttm_bo_device *bdev,
* -EINVAL: Invalid placement flags.
* -ERESTARTSYS: Interrupted by signal while waiting for resources.
*/
-
-extern int ttm_bo_create(struct ttm_bo_device *bdev,
- unsigned long size,
- enum ttm_bo_type type,
- struct ttm_placement *placement,
- uint32_t page_alignment,
- bool interruptible,
- struct file *persistent_swap_storage,
- struct ttm_buffer_object **p_bo);
+int ttm_bo_create(struct ttm_bo_device *bdev, unsigned long size,
+ enum ttm_bo_type type, struct ttm_placement *placement,
+ uint32_t page_alignment, bool interruptible,
+ struct ttm_buffer_object **p_bo);
/**
* ttm_bo_init_mm
@@ -594,9 +587,9 @@ extern int ttm_bo_create(struct ttm_bo_device *bdev,
* -ENOMEM: Not enough memory.
* May also return driver-specified errors.
*/
+int ttm_bo_init_mm(struct ttm_bo_device *bdev, unsigned type,
+ unsigned long p_size);
-extern int ttm_bo_init_mm(struct ttm_bo_device *bdev, unsigned type,
- unsigned long p_size);
/**
* ttm_bo_clean_mm
*
@@ -623,8 +616,7 @@ extern int ttm_bo_init_mm(struct ttm_bo_device *bdev, unsigned type,
* -EINVAL: invalid or uninitialized memory type.
* -EBUSY: There are still buffers left in this memory type.
*/
-
-extern int ttm_bo_clean_mm(struct ttm_bo_device *bdev, unsigned mem_type);
+int ttm_bo_clean_mm(struct ttm_bo_device *bdev, unsigned mem_type);
/**
* ttm_bo_evict_mm
@@ -644,8 +636,7 @@ extern int ttm_bo_clean_mm(struct ttm_bo_device *bdev, unsigned mem_type);
* -ERESTARTSYS: The call was interrupted by a signal while waiting to
* evict a buffer.
*/
-
-extern int ttm_bo_evict_mm(struct ttm_bo_device *bdev, unsigned mem_type);
+int ttm_bo_evict_mm(struct ttm_bo_device *bdev, unsigned mem_type);
/**
* ttm_kmap_obj_virtual
@@ -658,7 +649,6 @@ extern int ttm_bo_evict_mm(struct ttm_bo_device *bdev, unsigned mem_type);
* If *is_iomem is 1 on return, the virtual address points to an io memory area,
* that should strictly be accessed by the iowriteXX() and similar functions.
*/
-
static inline void *ttm_kmap_obj_virtual(struct ttm_bo_kmap_obj *map,
bool *is_iomem)
{
@@ -682,9 +672,8 @@ static inline void *ttm_kmap_obj_virtual(struct ttm_bo_kmap_obj *map,
* -ENOMEM: Out of memory.
* -EINVAL: Invalid range.
*/
-
-extern int ttm_bo_kmap(struct ttm_buffer_object *bo, unsigned long start_page,
- unsigned long num_pages, struct ttm_bo_kmap_obj *map);
+int ttm_bo_kmap(struct ttm_buffer_object *bo, unsigned long start_page,
+ unsigned long num_pages, struct ttm_bo_kmap_obj *map);
/**
* ttm_bo_kunmap
@@ -693,8 +682,7 @@ extern int ttm_bo_kmap(struct ttm_buffer_object *bo, unsigned long start_page,
*
* Unmaps a kernel map set up by ttm_bo_kmap.
*/
-
-extern void ttm_bo_kunmap(struct ttm_bo_kmap_obj *map);
+void ttm_bo_kunmap(struct ttm_bo_kmap_obj *map);
/**
* ttm_fbdev_mmap - mmap fbdev memory backed by a ttm buffer object.
@@ -706,20 +694,7 @@ extern void ttm_bo_kunmap(struct ttm_bo_kmap_obj *map);
* This function is intended to be called by the fbdev mmap method
* if the fbdev address space is to be backed by a bo.
*/
-
-extern int ttm_fbdev_mmap(struct vm_area_struct *vma,
- struct ttm_buffer_object *bo);
-
-/**
- * ttm_bo_default_iomem_pfn - get a pfn for a page offset
- *
- * @bo: the BO we need to look up the pfn for
- * @page_offset: offset inside the BO to look up.
- *
- * Calculate the PFN for iomem based mappings during page fault
- */
-unsigned long ttm_bo_default_io_mem_pfn(struct ttm_buffer_object *bo,
- unsigned long page_offset);
+int ttm_fbdev_mmap(struct vm_area_struct *vma, struct ttm_buffer_object *bo);
/**
* ttm_bo_mmap - mmap out of the ttm device address space.
@@ -731,9 +706,12 @@ unsigned long ttm_bo_default_io_mem_pfn(struct ttm_buffer_object *bo,
* This function is intended to be called by the device mmap method.
* if the device address space is to be backed by the bo manager.
*/
+int ttm_bo_mmap(struct file *filp, struct vm_area_struct *vma,
+ struct ttm_bo_device *bdev);
-extern int ttm_bo_mmap(struct file *filp, struct vm_area_struct *vma,
- struct ttm_bo_device *bdev);
+void *ttm_kmap_atomic_prot(struct page *page, pgprot_t prot);
+
+void ttm_kunmap_atomic_prot(void *addr, pgprot_t prot);
/**
* ttm_bo_io
@@ -755,11 +733,12 @@ extern int ttm_bo_mmap(struct file *filp, struct vm_area_struct *vma,
* the function may return -ERESTARTSYS if
* interrupted by a signal.
*/
+ssize_t ttm_bo_io(struct ttm_bo_device *bdev, struct file *filp,
+ const char __user *wbuf, char __user *rbuf,
+ size_t count, loff_t *f_pos, bool write);
-extern ssize_t ttm_bo_io(struct ttm_bo_device *bdev, struct file *filp,
- const char __user *wbuf, char __user *rbuf,
- size_t count, loff_t *f_pos, bool write);
-
-extern void ttm_bo_swapout_all(struct ttm_bo_device *bdev);
-extern int ttm_bo_wait_unreserved(struct ttm_buffer_object *bo);
+int ttm_bo_swapout(struct ttm_bo_global *glob,
+ struct ttm_operation_ctx *ctx);
+void ttm_bo_swapout_all(struct ttm_bo_device *bdev);
+int ttm_bo_wait_unreserved(struct ttm_buffer_object *bo);
#endif
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index 5f821a9b3a1f..3234cc322e70 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -42,113 +42,10 @@
#include "ttm_memory.h"
#include "ttm_module.h"
#include "ttm_placement.h"
+#include "ttm_tt.h"
#define TTM_MAX_BO_PRIORITY 4U
-struct ttm_backend_func {
- /**
- * struct ttm_backend_func member bind
- *
- * @ttm: Pointer to a struct ttm_tt.
- * @bo_mem: Pointer to a struct ttm_mem_reg describing the
- * memory type and location for binding.
- *
- * Bind the backend pages into the aperture in the location
- * indicated by @bo_mem. This function should be able to handle
- * differences between aperture and system page sizes.
- */
- int (*bind) (struct ttm_tt *ttm, struct ttm_mem_reg *bo_mem);
-
- /**
- * struct ttm_backend_func member unbind
- *
- * @ttm: Pointer to a struct ttm_tt.
- *
- * Unbind previously bound backend pages. This function should be
- * able to handle differences between aperture and system page sizes.
- */
- int (*unbind) (struct ttm_tt *ttm);
-
- /**
- * struct ttm_backend_func member destroy
- *
- * @ttm: Pointer to a struct ttm_tt.
- *
- * Destroy the backend. This will be call back from ttm_tt_destroy so
- * don't call ttm_tt_destroy from the callback or infinite loop.
- */
- void (*destroy) (struct ttm_tt *ttm);
-};
-
-#define TTM_PAGE_FLAG_WRITE (1 << 3)
-#define TTM_PAGE_FLAG_SWAPPED (1 << 4)
-#define TTM_PAGE_FLAG_PERSISTENT_SWAP (1 << 5)
-#define TTM_PAGE_FLAG_ZERO_ALLOC (1 << 6)
-#define TTM_PAGE_FLAG_DMA32 (1 << 7)
-#define TTM_PAGE_FLAG_SG (1 << 8)
-
-enum ttm_caching_state {
- tt_uncached,
- tt_wc,
- tt_cached
-};
-
-/**
- * struct ttm_tt
- *
- * @bdev: Pointer to a struct ttm_bo_device.
- * @func: Pointer to a struct ttm_backend_func that describes
- * the backend methods.
- * @dummy_read_page: Page to map where the ttm_tt page array contains a NULL
- * pointer.
- * @pages: Array of pages backing the data.
- * @num_pages: Number of pages in the page array.
- * @bdev: Pointer to the current struct ttm_bo_device.
- * @be: Pointer to the ttm backend.
- * @swap_storage: Pointer to shmem struct file for swap storage.
- * @caching_state: The current caching state of the pages.
- * @state: The current binding state of the pages.
- *
- * This is a structure holding the pages, caching- and aperture binding
- * status for a buffer object that isn't backed by fixed (VRAM / AGP)
- * memory.
- */
-
-struct ttm_tt {
- struct ttm_bo_device *bdev;
- struct ttm_backend_func *func;
- struct page *dummy_read_page;
- struct page **pages;
- uint32_t page_flags;
- unsigned long num_pages;
- struct sg_table *sg; /* for SG objects via dma-buf */
- struct ttm_bo_global *glob;
- struct file *swap_storage;
- enum ttm_caching_state caching_state;
- enum {
- tt_bound,
- tt_unbound,
- tt_unpopulated,
- } state;
-};
-
-/**
- * struct ttm_dma_tt
- *
- * @ttm: Base ttm_tt struct.
- * @dma_address: The DMA (bus) addresses of the pages
- * @pages_list: used by some page allocation backend
- *
- * This is a structure holding the pages, caching- and aperture binding
- * status for a buffer object that isn't backed by fixed (VRAM / AGP)
- * memory.
- */
-struct ttm_dma_tt {
- struct ttm_tt ttm;
- dma_addr_t *dma_address;
- struct list_head pages_list;
-};
-
#define TTM_MEMTYPE_FLAG_FIXED (1 << 0) /* Fixed (on-card) PCI memory */
#define TTM_MEMTYPE_FLAG_MAPPABLE (1 << 1) /* Memory mappable */
#define TTM_MEMTYPE_FLAG_CMA (1 << 3) /* Can't map aperture */
@@ -328,20 +225,16 @@ struct ttm_bo_driver {
/**
* ttm_tt_create
*
- * @bdev: pointer to a struct ttm_bo_device:
- * @size: Size of the data needed backing.
+ * @bo: The buffer object to create the ttm for.
* @page_flags: Page flags as identified by TTM_PAGE_FLAG_XX flags.
- * @dummy_read_page: See struct ttm_bo_device.
*
* Create a struct ttm_tt to back data with system memory pages.
* No pages are actually allocated.
* Returns:
* NULL: Out of memory.
*/
- struct ttm_tt *(*ttm_tt_create)(struct ttm_bo_device *bdev,
- unsigned long size,
- uint32_t page_flags,
- struct page *dummy_read_page);
+ struct ttm_tt *(*ttm_tt_create)(struct ttm_buffer_object *bo,
+ uint32_t page_flags);
/**
* ttm_tt_populate
@@ -352,7 +245,8 @@ struct ttm_bo_driver {
* Returns:
* -ENOMEM: Out of memory.
*/
- int (*ttm_tt_populate)(struct ttm_tt *ttm);
+ int (*ttm_tt_populate)(struct ttm_tt *ttm,
+ struct ttm_operation_ctx *ctx);
/**
* ttm_tt_unpopulate
@@ -409,15 +303,13 @@ struct ttm_bo_driver {
* @bo: the buffer to move
* @evict: whether this motion is evicting the buffer from
* the graphics address space
- * @interruptible: Use interruptible sleeps if possible when sleeping.
- * @no_wait: whether this should give up and return -EBUSY
- * if this move would require sleeping
+ * @ctx: context for this move with parameters
* @new_mem: the new memory region receiving the buffer
*
* Move a buffer between two memory regions.
*/
int (*move)(struct ttm_buffer_object *bo, bool evict,
- bool interruptible, bool no_wait_gpu,
+ struct ttm_operation_ctx *ctx,
struct ttm_mem_reg *new_mem);
/**
@@ -524,7 +416,6 @@ struct ttm_bo_global {
struct kobject kobj;
struct ttm_mem_global *mem_glob;
struct page *dummy_read_page;
- struct ttm_mem_shrink shrink;
struct mutex device_list_mutex;
spinlock_t lru_lock;
@@ -558,6 +449,7 @@ struct ttm_bo_global {
* @dev_mapping: A pointer to the struct address_space representing the
* device address space.
* @wq: Work queue structure for the delayed delete workqueue.
+ * @no_retry: Don't retry allocation if it fails
*
*/
@@ -594,6 +486,8 @@ struct ttm_bo_device {
struct delayed_work wq;
bool need_dma32;
+
+ bool no_retry;
};
/**
@@ -613,100 +507,6 @@ ttm_flag_masked(uint32_t *old, uint32_t new, uint32_t mask)
return *old;
}
-/**
- * ttm_tt_init
- *
- * @ttm: The struct ttm_tt.
- * @bdev: pointer to a struct ttm_bo_device:
- * @size: Size of the data needed backing.
- * @page_flags: Page flags as identified by TTM_PAGE_FLAG_XX flags.
- * @dummy_read_page: See struct ttm_bo_device.
- *
- * Create a struct ttm_tt to back data with system memory pages.
- * No pages are actually allocated.
- * Returns:
- * NULL: Out of memory.
- */
-extern int ttm_tt_init(struct ttm_tt *ttm, struct ttm_bo_device *bdev,
- unsigned long size, uint32_t page_flags,
- struct page *dummy_read_page);
-extern int ttm_dma_tt_init(struct ttm_dma_tt *ttm_dma, struct ttm_bo_device *bdev,
- unsigned long size, uint32_t page_flags,
- struct page *dummy_read_page);
-
-/**
- * ttm_tt_fini
- *
- * @ttm: the ttm_tt structure.
- *
- * Free memory of ttm_tt structure
- */
-extern void ttm_tt_fini(struct ttm_tt *ttm);
-extern void ttm_dma_tt_fini(struct ttm_dma_tt *ttm_dma);
-
-/**
- * ttm_ttm_bind:
- *
- * @ttm: The struct ttm_tt containing backing pages.
- * @bo_mem: The struct ttm_mem_reg identifying the binding location.
- *
- * Bind the pages of @ttm to an aperture location identified by @bo_mem
- */
-extern int ttm_tt_bind(struct ttm_tt *ttm, struct ttm_mem_reg *bo_mem);
-
-/**
- * ttm_ttm_destroy:
- *
- * @ttm: The struct ttm_tt.
- *
- * Unbind, unpopulate and destroy common struct ttm_tt.
- */
-extern void ttm_tt_destroy(struct ttm_tt *ttm);
-
-/**
- * ttm_ttm_unbind:
- *
- * @ttm: The struct ttm_tt.
- *
- * Unbind a struct ttm_tt.
- */
-extern void ttm_tt_unbind(struct ttm_tt *ttm);
-
-/**
- * ttm_tt_swapin:
- *
- * @ttm: The struct ttm_tt.
- *
- * Swap in a previously swap out ttm_tt.
- */
-extern int ttm_tt_swapin(struct ttm_tt *ttm);
-
-/**
- * ttm_tt_set_placement_caching:
- *
- * @ttm A struct ttm_tt the backing pages of which will change caching policy.
- * @placement: Flag indicating the desired caching policy.
- *
- * This function will change caching policy of any default kernel mappings of
- * the pages backing @ttm. If changing from cached to uncached or
- * write-combined,
- * all CPU caches will first be flushed to make sure the data of the pages
- * hit RAM. This function may be very costly as it involves global TLB
- * and cache flushes and potential page splitting / combining.
- */
-extern int ttm_tt_set_placement_caching(struct ttm_tt *ttm, uint32_t placement);
-extern int ttm_tt_swapout(struct ttm_tt *ttm,
- struct file *persistent_swap_storage);
-
-/**
- * ttm_tt_unpopulate - free pages from a ttm
- *
- * @ttm: Pointer to the ttm_tt structure
- *
- * Calls the driver method to free all pages from a ttm
- */
-extern void ttm_tt_unpopulate(struct ttm_tt *ttm);
-
/*
* ttm_bo.c
*/
@@ -720,8 +520,7 @@ extern void ttm_tt_unpopulate(struct ttm_tt *ttm);
* Returns true if the memory described by @mem is PCI memory,
* false otherwise.
*/
-extern bool ttm_mem_reg_is_pci(struct ttm_bo_device *bdev,
- struct ttm_mem_reg *mem);
+bool ttm_mem_reg_is_pci(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem);
/**
* ttm_bo_mem_space
@@ -742,21 +541,19 @@ extern bool ttm_mem_reg_is_pci(struct ttm_bo_device *bdev,
* fragmentation or concurrent allocators.
* -ERESTARTSYS: An interruptible sleep was interrupted by a signal.
*/
-extern int ttm_bo_mem_space(struct ttm_buffer_object *bo,
- struct ttm_placement *placement,
- struct ttm_mem_reg *mem,
- bool interruptible,
- bool no_wait_gpu);
+int ttm_bo_mem_space(struct ttm_buffer_object *bo,
+ struct ttm_placement *placement,
+ struct ttm_mem_reg *mem,
+ struct ttm_operation_ctx *ctx);
-extern void ttm_bo_mem_put(struct ttm_buffer_object *bo,
+void ttm_bo_mem_put(struct ttm_buffer_object *bo, struct ttm_mem_reg *mem);
+void ttm_bo_mem_put_locked(struct ttm_buffer_object *bo,
struct ttm_mem_reg *mem);
-extern void ttm_bo_mem_put_locked(struct ttm_buffer_object *bo,
- struct ttm_mem_reg *mem);
-extern void ttm_bo_global_release(struct drm_global_reference *ref);
-extern int ttm_bo_global_init(struct drm_global_reference *ref);
+void ttm_bo_global_release(struct drm_global_reference *ref);
+int ttm_bo_global_init(struct drm_global_reference *ref);
-extern int ttm_bo_device_release(struct ttm_bo_device *bdev);
+int ttm_bo_device_release(struct ttm_bo_device *bdev);
/**
* ttm_bo_device_init
@@ -773,18 +570,17 @@ extern int ttm_bo_device_release(struct ttm_bo_device *bdev);
* Returns:
* !0: Failure.
*/
-extern int ttm_bo_device_init(struct ttm_bo_device *bdev,
- struct ttm_bo_global *glob,
- struct ttm_bo_driver *driver,
- struct address_space *mapping,
- uint64_t file_page_offset, bool need_dma32);
+int ttm_bo_device_init(struct ttm_bo_device *bdev, struct ttm_bo_global *glob,
+ struct ttm_bo_driver *driver,
+ struct address_space *mapping,
+ uint64_t file_page_offset, bool need_dma32);
/**
* ttm_bo_unmap_virtual
*
* @bo: tear down the virtual mappings for this BO
*/
-extern void ttm_bo_unmap_virtual(struct ttm_buffer_object *bo);
+void ttm_bo_unmap_virtual(struct ttm_buffer_object *bo);
/**
* ttm_bo_unmap_virtual
@@ -793,16 +589,15 @@ extern void ttm_bo_unmap_virtual(struct ttm_buffer_object *bo);
*
* The caller must take ttm_mem_io_lock before calling this function.
*/
-extern void ttm_bo_unmap_virtual_locked(struct ttm_buffer_object *bo);
+void ttm_bo_unmap_virtual_locked(struct ttm_buffer_object *bo);
-extern int ttm_mem_io_reserve_vm(struct ttm_buffer_object *bo);
-extern void ttm_mem_io_free_vm(struct ttm_buffer_object *bo);
-extern int ttm_mem_io_lock(struct ttm_mem_type_manager *man,
- bool interruptible);
-extern void ttm_mem_io_unlock(struct ttm_mem_type_manager *man);
+int ttm_mem_io_reserve_vm(struct ttm_buffer_object *bo);
+void ttm_mem_io_free_vm(struct ttm_buffer_object *bo);
+int ttm_mem_io_lock(struct ttm_mem_type_manager *man, bool interruptible);
+void ttm_mem_io_unlock(struct ttm_mem_type_manager *man);
-extern void ttm_bo_del_sub_from_lru(struct ttm_buffer_object *bo);
-extern void ttm_bo_add_to_lru(struct ttm_buffer_object *bo);
+void ttm_bo_del_sub_from_lru(struct ttm_buffer_object *bo);
+void ttm_bo_add_to_lru(struct ttm_buffer_object *bo);
/**
* __ttm_bo_reserve:
@@ -836,14 +631,14 @@ static inline int __ttm_bo_reserve(struct ttm_buffer_object *bo,
if (WARN_ON(ticket))
return -EBUSY;
- success = ww_mutex_trylock(&bo->resv->lock);
+ success = reservation_object_trylock(bo->resv);
return success ? 0 : -EBUSY;
}
if (interruptible)
- ret = ww_mutex_lock_interruptible(&bo->resv->lock, ticket);
+ ret = reservation_object_lock_interruptible(bo->resv, ticket);
else
- ret = ww_mutex_lock(&bo->resv->lock, ticket);
+ ret = reservation_object_lock(bo->resv, ticket);
if (ret == -EINTR)
return -ERESTARTSYS;
return ret;
@@ -941,18 +736,6 @@ static inline int ttm_bo_reserve_slowpath(struct ttm_buffer_object *bo,
}
/**
- * __ttm_bo_unreserve
- * @bo: A pointer to a struct ttm_buffer_object.
- *
- * Unreserve a previous reservation of @bo where the buffer object is
- * already on lru lists.
- */
-static inline void __ttm_bo_unreserve(struct ttm_buffer_object *bo)
-{
- ww_mutex_unlock(&bo->resv->lock);
-}
-
-/**
* ttm_bo_unreserve
*
* @bo: A pointer to a struct ttm_buffer_object.
@@ -962,24 +745,11 @@ static inline void __ttm_bo_unreserve(struct ttm_buffer_object *bo)
static inline void ttm_bo_unreserve(struct ttm_buffer_object *bo)
{
if (!(bo->mem.placement & TTM_PL_FLAG_NO_EVICT)) {
- spin_lock(&bo->glob->lru_lock);
+ spin_lock(&bo->bdev->glob->lru_lock);
ttm_bo_add_to_lru(bo);
- spin_unlock(&bo->glob->lru_lock);
+ spin_unlock(&bo->bdev->glob->lru_lock);
}
- __ttm_bo_unreserve(bo);
-}
-
-/**
- * ttm_bo_unreserve_ticket
- * @bo: A pointer to a struct ttm_buffer_object.
- * @ticket: ww_acquire_ctx used for reserving
- *
- * Unreserve a previous reservation of @bo made with @ticket.
- */
-static inline void ttm_bo_unreserve_ticket(struct ttm_buffer_object *bo,
- struct ww_acquire_ctx *t)
-{
- ttm_bo_unreserve(bo);
+ reservation_object_unlock(bo->resv);
}
/*
@@ -1008,9 +778,9 @@ void ttm_mem_io_free(struct ttm_bo_device *bdev,
* !0: Failure.
*/
-extern int ttm_bo_move_ttm(struct ttm_buffer_object *bo,
- bool interruptible, bool no_wait_gpu,
- struct ttm_mem_reg *new_mem);
+int ttm_bo_move_ttm(struct ttm_buffer_object *bo,
+ struct ttm_operation_ctx *ctx,
+ struct ttm_mem_reg *new_mem);
/**
* ttm_bo_move_memcpy
@@ -1030,9 +800,9 @@ extern int ttm_bo_move_ttm(struct ttm_buffer_object *bo,
* !0: Failure.
*/
-extern int ttm_bo_move_memcpy(struct ttm_buffer_object *bo,
- bool interruptible, bool no_wait_gpu,
- struct ttm_mem_reg *new_mem);
+int ttm_bo_move_memcpy(struct ttm_buffer_object *bo,
+ struct ttm_operation_ctx *ctx,
+ struct ttm_mem_reg *new_mem);
/**
* ttm_bo_free_old_node
@@ -1041,7 +811,7 @@ extern int ttm_bo_move_memcpy(struct ttm_buffer_object *bo,
*
* Utility function to free an old placement after a successful move.
*/
-extern void ttm_bo_free_old_node(struct ttm_buffer_object *bo);
+void ttm_bo_free_old_node(struct ttm_buffer_object *bo);
/**
* ttm_bo_move_accel_cleanup.
@@ -1058,10 +828,9 @@ extern void ttm_bo_free_old_node(struct ttm_buffer_object *bo);
* destroyed when the move is complete. This will help pipeline
* buffer moves.
*/
-
-extern int ttm_bo_move_accel_cleanup(struct ttm_buffer_object *bo,
- struct dma_fence *fence, bool evict,
- struct ttm_mem_reg *new_mem);
+int ttm_bo_move_accel_cleanup(struct ttm_buffer_object *bo,
+ struct dma_fence *fence, bool evict,
+ struct ttm_mem_reg *new_mem);
/**
* ttm_bo_pipeline_move.
@@ -1079,6 +848,15 @@ int ttm_bo_pipeline_move(struct ttm_buffer_object *bo,
struct ttm_mem_reg *new_mem);
/**
+ * ttm_bo_pipeline_gutting.
+ *
+ * @bo: A pointer to a struct ttm_buffer_object.
+ *
+ * Pipelined gutting a BO of it's backing store.
+ */
+int ttm_bo_pipeline_gutting(struct ttm_buffer_object *bo);
+
+/**
* ttm_io_prot
*
* @c_state: Caching state.
@@ -1087,33 +865,8 @@ int ttm_bo_pipeline_move(struct ttm_buffer_object *bo,
* Utility function that returns the pgprot_t that should be used for
* setting up a PTE with the caching model indicated by @c_state.
*/
-extern pgprot_t ttm_io_prot(uint32_t caching_flags, pgprot_t tmp);
+pgprot_t ttm_io_prot(uint32_t caching_flags, pgprot_t tmp);
extern const struct ttm_mem_type_manager_func ttm_bo_manager_func;
-#if IS_ENABLED(CONFIG_AGP)
-#include <linux/agp_backend.h>
-
-/**
- * ttm_agp_tt_create
- *
- * @bdev: Pointer to a struct ttm_bo_device.
- * @bridge: The agp bridge this device is sitting on.
- * @size: Size of the data needed backing.
- * @page_flags: Page flags as identified by TTM_PAGE_FLAG_XX flags.
- * @dummy_read_page: See struct ttm_bo_device.
- *
- *
- * Create a TTM backend that uses the indicated AGP bridge as an aperture
- * for TT memory. This function uses the linux agpgart interface to
- * bind and unbind memory backing a ttm_tt.
- */
-extern struct ttm_tt *ttm_agp_tt_create(struct ttm_bo_device *bdev,
- struct agp_bridge_data *bridge,
- unsigned long size, uint32_t page_flags,
- struct page *dummy_read_page);
-int ttm_agp_tt_populate(struct ttm_tt *ttm);
-void ttm_agp_tt_unpopulate(struct ttm_tt *ttm);
-#endif
-
#endif
diff --git a/include/drm/ttm/ttm_memory.h b/include/drm/ttm/ttm_memory.h
index 2c1e3598effe..737b5fed8003 100644
--- a/include/drm/ttm/ttm_memory.h
+++ b/include/drm/ttm/ttm_memory.h
@@ -35,20 +35,7 @@
#include <linux/errno.h>
#include <linux/kobject.h>
#include <linux/mm.h>
-
-/**
- * struct ttm_mem_shrink - callback to shrink TTM memory usage.
- *
- * @do_shrink: The callback function.
- *
- * Arguments to the do_shrink functions are intended to be passed using
- * inheritance. That is, the argument class derives from struct ttm_mem_shrink,
- * and can be accessed using container_of().
- */
-
-struct ttm_mem_shrink {
- int (*do_shrink) (struct ttm_mem_shrink *);
-};
+#include "ttm_bo_api.h"
/**
* struct ttm_mem_global - Global memory accounting structure.
@@ -62,6 +49,8 @@ struct ttm_mem_shrink {
* @work: The workqueue callback for the shrink queue.
* @lock: Lock to protect the @shrink - and the memory accounting members,
* that is, essentially the whole structure with some exceptions.
+ * @lower_mem_limit: include lower limit of swap space and lower limit of
+ * system memory.
* @zones: Array of pointers to accounting zones.
* @num_zones: Number of populated entries in the @zones array.
* @zone_kernel: Pointer to the kernel zone.
@@ -76,10 +65,11 @@ struct ttm_mem_shrink {
struct ttm_mem_zone;
struct ttm_mem_global {
struct kobject kobj;
- struct ttm_mem_shrink *shrink;
+ struct ttm_bo_global *bo_glob;
struct workqueue_struct *swap_queue;
struct work_struct work;
spinlock_t lock;
+ uint64_t lower_mem_limit;
struct ttm_mem_zone *zones[TTM_MEM_MAX_ZONES];
unsigned int num_zones;
struct ttm_mem_zone *zone_kernel;
@@ -90,69 +80,19 @@ struct ttm_mem_global {
#endif
};
-/**
- * ttm_mem_init_shrink - initialize a struct ttm_mem_shrink object
- *
- * @shrink: The object to initialize.
- * @func: The callback function.
- */
-
-static inline void ttm_mem_init_shrink(struct ttm_mem_shrink *shrink,
- int (*func) (struct ttm_mem_shrink *))
-{
- shrink->do_shrink = func;
-}
-
-/**
- * ttm_mem_register_shrink - register a struct ttm_mem_shrink object.
- *
- * @glob: The struct ttm_mem_global object to register with.
- * @shrink: An initialized struct ttm_mem_shrink object to register.
- *
- * Returns:
- * -EBUSY: There's already a callback registered. (May change).
- */
-
-static inline int ttm_mem_register_shrink(struct ttm_mem_global *glob,
- struct ttm_mem_shrink *shrink)
-{
- spin_lock(&glob->lock);
- if (glob->shrink != NULL) {
- spin_unlock(&glob->lock);
- return -EBUSY;
- }
- glob->shrink = shrink;
- spin_unlock(&glob->lock);
- return 0;
-}
-
-/**
- * ttm_mem_unregister_shrink - unregister a struct ttm_mem_shrink object.
- *
- * @glob: The struct ttm_mem_global object to unregister from.
- * @shrink: A previously registert struct ttm_mem_shrink object.
- *
- */
-
-static inline void ttm_mem_unregister_shrink(struct ttm_mem_global *glob,
- struct ttm_mem_shrink *shrink)
-{
- spin_lock(&glob->lock);
- BUG_ON(glob->shrink != shrink);
- glob->shrink = NULL;
- spin_unlock(&glob->lock);
-}
-
extern int ttm_mem_global_init(struct ttm_mem_global *glob);
extern void ttm_mem_global_release(struct ttm_mem_global *glob);
extern int ttm_mem_global_alloc(struct ttm_mem_global *glob, uint64_t memory,
- bool no_wait, bool interruptible);
+ struct ttm_operation_ctx *ctx);
extern void ttm_mem_global_free(struct ttm_mem_global *glob,
uint64_t amount);
extern int ttm_mem_global_alloc_page(struct ttm_mem_global *glob,
- struct page *page, uint64_t size);
+ struct page *page, uint64_t size,
+ struct ttm_operation_ctx *ctx);
extern void ttm_mem_global_free_page(struct ttm_mem_global *glob,
struct page *page, uint64_t size);
extern size_t ttm_round_pot(size_t size);
extern uint64_t ttm_get_kernel_zone_memory_size(struct ttm_mem_global *glob);
+extern bool ttm_check_under_lowerlimit(struct ttm_mem_global *glob,
+ uint64_t num_pages, struct ttm_operation_ctx *ctx);
#endif
diff --git a/include/drm/ttm/ttm_page_alloc.h b/include/drm/ttm/ttm_page_alloc.h
index 593811362a91..4d9b019d253c 100644
--- a/include/drm/ttm/ttm_page_alloc.h
+++ b/include/drm/ttm/ttm_page_alloc.h
@@ -47,7 +47,7 @@ void ttm_page_alloc_fini(void);
*
* Add backing pages to all of @ttm
*/
-int ttm_pool_populate(struct ttm_tt *ttm);
+int ttm_pool_populate(struct ttm_tt *ttm, struct ttm_operation_ctx *ctx);
/**
* ttm_pool_unpopulate:
@@ -61,7 +61,8 @@ void ttm_pool_unpopulate(struct ttm_tt *ttm);
/**
* Populates and DMA maps pages to fullfil a ttm_dma_populate() request
*/
-int ttm_populate_and_map_pages(struct device *dev, struct ttm_dma_tt *tt);
+int ttm_populate_and_map_pages(struct device *dev, struct ttm_dma_tt *tt,
+ struct ttm_operation_ctx *ctx);
/**
* Unpopulates and DMA unmaps pages as part of a
@@ -89,7 +90,8 @@ void ttm_dma_page_alloc_fini(void);
*/
int ttm_dma_page_alloc_debugfs(struct seq_file *m, void *data);
-int ttm_dma_populate(struct ttm_dma_tt *ttm_dma, struct device *dev);
+int ttm_dma_populate(struct ttm_dma_tt *ttm_dma, struct device *dev,
+ struct ttm_operation_ctx *ctx);
void ttm_dma_unpopulate(struct ttm_dma_tt *ttm_dma, struct device *dev);
#else
@@ -106,7 +108,8 @@ static inline int ttm_dma_page_alloc_debugfs(struct seq_file *m, void *data)
return 0;
}
static inline int ttm_dma_populate(struct ttm_dma_tt *ttm_dma,
- struct device *dev)
+ struct device *dev,
+ struct ttm_operation_ctx *ctx)
{
return -ENOMEM;
}
diff --git a/include/drm/ttm/ttm_tt.h b/include/drm/ttm/ttm_tt.h
new file mode 100644
index 000000000000..c0e928abf592
--- /dev/null
+++ b/include/drm/ttm/ttm_tt.h
@@ -0,0 +1,272 @@
+/**************************************************************************
+ *
+ * Copyright (c) 2006-2009 Vmware, Inc., Palo Alto, CA., USA
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+#ifndef _TTM_TT_H_
+#define _TTM_TT_H_
+
+#include <linux/types.h>
+
+struct ttm_tt;
+struct ttm_mem_reg;
+struct ttm_buffer_object;
+struct ttm_operation_ctx;
+
+#define TTM_PAGE_FLAG_WRITE (1 << 3)
+#define TTM_PAGE_FLAG_SWAPPED (1 << 4)
+#define TTM_PAGE_FLAG_PERSISTENT_SWAP (1 << 5)
+#define TTM_PAGE_FLAG_ZERO_ALLOC (1 << 6)
+#define TTM_PAGE_FLAG_DMA32 (1 << 7)
+#define TTM_PAGE_FLAG_SG (1 << 8)
+#define TTM_PAGE_FLAG_NO_RETRY (1 << 9)
+
+enum ttm_caching_state {
+ tt_uncached,
+ tt_wc,
+ tt_cached
+};
+
+struct ttm_backend_func {
+ /**
+ * struct ttm_backend_func member bind
+ *
+ * @ttm: Pointer to a struct ttm_tt.
+ * @bo_mem: Pointer to a struct ttm_mem_reg describing the
+ * memory type and location for binding.
+ *
+ * Bind the backend pages into the aperture in the location
+ * indicated by @bo_mem. This function should be able to handle
+ * differences between aperture and system page sizes.
+ */
+ int (*bind) (struct ttm_tt *ttm, struct ttm_mem_reg *bo_mem);
+
+ /**
+ * struct ttm_backend_func member unbind
+ *
+ * @ttm: Pointer to a struct ttm_tt.
+ *
+ * Unbind previously bound backend pages. This function should be
+ * able to handle differences between aperture and system page sizes.
+ */
+ int (*unbind) (struct ttm_tt *ttm);
+
+ /**
+ * struct ttm_backend_func member destroy
+ *
+ * @ttm: Pointer to a struct ttm_tt.
+ *
+ * Destroy the backend. This will be call back from ttm_tt_destroy so
+ * don't call ttm_tt_destroy from the callback or infinite loop.
+ */
+ void (*destroy) (struct ttm_tt *ttm);
+};
+
+/**
+ * struct ttm_tt
+ *
+ * @bdev: Pointer to a struct ttm_bo_device.
+ * @func: Pointer to a struct ttm_backend_func that describes
+ * the backend methods.
+ * pointer.
+ * @pages: Array of pages backing the data.
+ * @num_pages: Number of pages in the page array.
+ * @bdev: Pointer to the current struct ttm_bo_device.
+ * @be: Pointer to the ttm backend.
+ * @swap_storage: Pointer to shmem struct file for swap storage.
+ * @caching_state: The current caching state of the pages.
+ * @state: The current binding state of the pages.
+ *
+ * This is a structure holding the pages, caching- and aperture binding
+ * status for a buffer object that isn't backed by fixed (VRAM / AGP)
+ * memory.
+ */
+struct ttm_tt {
+ struct ttm_bo_device *bdev;
+ struct ttm_backend_func *func;
+ struct page **pages;
+ uint32_t page_flags;
+ unsigned long num_pages;
+ struct sg_table *sg; /* for SG objects via dma-buf */
+ struct file *swap_storage;
+ enum ttm_caching_state caching_state;
+ enum {
+ tt_bound,
+ tt_unbound,
+ tt_unpopulated,
+ } state;
+};
+
+/**
+ * struct ttm_dma_tt
+ *
+ * @ttm: Base ttm_tt struct.
+ * @dma_address: The DMA (bus) addresses of the pages
+ * @pages_list: used by some page allocation backend
+ *
+ * This is a structure holding the pages, caching- and aperture binding
+ * status for a buffer object that isn't backed by fixed (VRAM / AGP)
+ * memory.
+ */
+struct ttm_dma_tt {
+ struct ttm_tt ttm;
+ dma_addr_t *dma_address;
+ struct list_head pages_list;
+};
+
+/**
+ * ttm_tt_create
+ *
+ * @bo: pointer to a struct ttm_buffer_object
+ * @zero_alloc: true if allocated pages needs to be zeroed
+ *
+ * Make sure we have a TTM structure allocated for the given BO.
+ * No pages are actually allocated.
+ */
+int ttm_tt_create(struct ttm_buffer_object *bo, bool zero_alloc);
+
+/**
+ * ttm_tt_init
+ *
+ * @ttm: The struct ttm_tt.
+ * @bo: The buffer object we create the ttm for.
+ * @page_flags: Page flags as identified by TTM_PAGE_FLAG_XX flags.
+ *
+ * Create a struct ttm_tt to back data with system memory pages.
+ * No pages are actually allocated.
+ * Returns:
+ * NULL: Out of memory.
+ */
+int ttm_tt_init(struct ttm_tt *ttm, struct ttm_buffer_object *bo,
+ uint32_t page_flags);
+int ttm_dma_tt_init(struct ttm_dma_tt *ttm_dma, struct ttm_buffer_object *bo,
+ uint32_t page_flags);
+int ttm_sg_tt_init(struct ttm_dma_tt *ttm_dma, struct ttm_buffer_object *bo,
+ uint32_t page_flags);
+
+/**
+ * ttm_tt_fini
+ *
+ * @ttm: the ttm_tt structure.
+ *
+ * Free memory of ttm_tt structure
+ */
+void ttm_tt_fini(struct ttm_tt *ttm);
+void ttm_dma_tt_fini(struct ttm_dma_tt *ttm_dma);
+
+/**
+ * ttm_ttm_bind:
+ *
+ * @ttm: The struct ttm_tt containing backing pages.
+ * @bo_mem: The struct ttm_mem_reg identifying the binding location.
+ *
+ * Bind the pages of @ttm to an aperture location identified by @bo_mem
+ */
+int ttm_tt_bind(struct ttm_tt *ttm, struct ttm_mem_reg *bo_mem,
+ struct ttm_operation_ctx *ctx);
+
+/**
+ * ttm_ttm_destroy:
+ *
+ * @ttm: The struct ttm_tt.
+ *
+ * Unbind, unpopulate and destroy common struct ttm_tt.
+ */
+void ttm_tt_destroy(struct ttm_tt *ttm);
+
+/**
+ * ttm_ttm_unbind:
+ *
+ * @ttm: The struct ttm_tt.
+ *
+ * Unbind a struct ttm_tt.
+ */
+void ttm_tt_unbind(struct ttm_tt *ttm);
+
+/**
+ * ttm_tt_swapin:
+ *
+ * @ttm: The struct ttm_tt.
+ *
+ * Swap in a previously swap out ttm_tt.
+ */
+int ttm_tt_swapin(struct ttm_tt *ttm);
+
+/**
+ * ttm_tt_set_placement_caching:
+ *
+ * @ttm A struct ttm_tt the backing pages of which will change caching policy.
+ * @placement: Flag indicating the desired caching policy.
+ *
+ * This function will change caching policy of any default kernel mappings of
+ * the pages backing @ttm. If changing from cached to uncached or
+ * write-combined,
+ * all CPU caches will first be flushed to make sure the data of the pages
+ * hit RAM. This function may be very costly as it involves global TLB
+ * and cache flushes and potential page splitting / combining.
+ */
+int ttm_tt_set_placement_caching(struct ttm_tt *ttm, uint32_t placement);
+int ttm_tt_swapout(struct ttm_tt *ttm, struct file *persistent_swap_storage);
+
+/**
+ * ttm_tt_populate - allocate pages for a ttm
+ *
+ * @ttm: Pointer to the ttm_tt structure
+ *
+ * Calls the driver method to allocate pages for a ttm
+ */
+int ttm_tt_populate(struct ttm_tt *ttm, struct ttm_operation_ctx *ctx);
+
+/**
+ * ttm_tt_unpopulate - free pages from a ttm
+ *
+ * @ttm: Pointer to the ttm_tt structure
+ *
+ * Calls the driver method to free all pages from a ttm
+ */
+void ttm_tt_unpopulate(struct ttm_tt *ttm);
+
+#if IS_ENABLED(CONFIG_AGP)
+#include <linux/agp_backend.h>
+
+/**
+ * ttm_agp_tt_create
+ *
+ * @bo: Buffer object we allocate the ttm for.
+ * @bridge: The agp bridge this device is sitting on.
+ * @page_flags: Page flags as identified by TTM_PAGE_FLAG_XX flags.
+ *
+ *
+ * Create a TTM backend that uses the indicated AGP bridge as an aperture
+ * for TT memory. This function uses the linux agpgart interface to
+ * bind and unbind memory backing a ttm_tt.
+ */
+struct ttm_tt *ttm_agp_tt_create(struct ttm_buffer_object *bo,
+ struct agp_bridge_data *bridge,
+ uint32_t page_flags);
+int ttm_agp_tt_populate(struct ttm_tt *ttm, struct ttm_operation_ctx *ctx);
+void ttm_agp_tt_unpopulate(struct ttm_tt *ttm);
+#endif
+
+#endif