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-rw-r--r--include/drm/display/drm_dp.h1
-rw-r--r--include/drm/display/drm_dp_mst_helper.h7
-rw-r--r--include/drm/drm_atomic.h23
-rw-r--r--include/drm/drm_buddy.h2
-rw-r--r--include/drm/drm_client_setup.h26
-rw-r--r--include/drm/drm_connector.h5
-rw-r--r--include/drm/drm_drv.h18
-rw-r--r--include/drm/drm_fbdev_client.h19
-rw-r--r--include/drm/drm_fbdev_dma.h12
-rw-r--r--include/drm/drm_fbdev_ttm.h13
-rw-r--r--include/drm/drm_file.h3
-rw-r--r--include/drm/drm_format_helper.h12
-rw-r--r--include/drm/drm_fourcc.h1
-rw-r--r--include/drm/drm_framebuffer.h7
-rw-r--r--include/drm/drm_gem.h13
-rw-r--r--include/drm/drm_kunit_helpers.h3
-rw-r--r--include/drm/drm_utils.h4
-rw-r--r--include/drm/intel/i915_pciids.h6
-rw-r--r--include/drm/spsc_queue.h4
19 files changed, 174 insertions, 5 deletions
diff --git a/include/drm/display/drm_dp.h b/include/drm/display/drm_dp.h
index a6f8b098c56f..3bd9f482f0c3 100644
--- a/include/drm/display/drm_dp.h
+++ b/include/drm/display/drm_dp.h
@@ -359,6 +359,7 @@
# define DP_DSC_BITS_PER_PIXEL_1_4 0x2
# define DP_DSC_BITS_PER_PIXEL_1_2 0x3
# define DP_DSC_BITS_PER_PIXEL_1_1 0x4
+# define DP_DSC_BITS_PER_PIXEL_MASK 0x7
#define DP_PSR_SUPPORT 0x070 /* XXX 1.2? */
# define DP_PSR_IS_SUPPORTED 1
diff --git a/include/drm/display/drm_dp_mst_helper.h b/include/drm/display/drm_dp_mst_helper.h
index a80ba457a858..6398a6b50bd1 100644
--- a/include/drm/display/drm_dp_mst_helper.h
+++ b/include/drm/display/drm_dp_mst_helper.h
@@ -222,6 +222,13 @@ struct drm_dp_mst_branch {
*/
struct list_head destroy_next;
+ /**
+ * @rad: Relative Address of the MST branch.
+ * For &drm_dp_mst_topology_mgr.mst_primary, it's rad[8] are all 0,
+ * unset and unused. For MST branches connected after mst_primary,
+ * in each element of rad[] the nibbles are ordered by the most
+ * signifcant 4 bits first and the least significant 4 bits second.
+ */
u8 rad[8];
u8 lct;
int num_ports;
diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h
index 31ca88deb10d..1ded9a8d4e84 100644
--- a/include/drm/drm_atomic.h
+++ b/include/drm/drm_atomic.h
@@ -376,8 +376,27 @@ struct drm_atomic_state {
*
* Allow full modeset. This is used by the ATOMIC IOCTL handler to
* implement the DRM_MODE_ATOMIC_ALLOW_MODESET flag. Drivers should
- * never consult this flag, instead looking at the output of
- * drm_atomic_crtc_needs_modeset().
+ * generally not consult this flag, but instead look at the output of
+ * drm_atomic_crtc_needs_modeset(). The detailed rules are:
+ *
+ * - Drivers must not consult @allow_modeset in the atomic commit path.
+ * Use drm_atomic_crtc_needs_modeset() instead.
+ *
+ * - Drivers must consult @allow_modeset before adding unrelated struct
+ * drm_crtc_state to this commit by calling
+ * drm_atomic_get_crtc_state(). See also the warning in the
+ * documentation for that function.
+ *
+ * - Drivers must never change this flag, it is under the exclusive
+ * control of userspace.
+ *
+ * - Drivers may consult @allow_modeset in the atomic check path, if
+ * they have the choice between an optimal hardware configuration
+ * which requires a modeset, and a less optimal configuration which
+ * can be committed without a modeset. An example would be suboptimal
+ * scanout FIFO allocation resulting in increased idle power
+ * consumption. This allows userspace to avoid flickering and delays
+ * for the normal composition loop at reasonable cost.
*/
bool allow_modeset : 1;
/**
diff --git a/include/drm/drm_buddy.h b/include/drm/drm_buddy.h
index 9689a7c5dd36..513837632b7d 100644
--- a/include/drm/drm_buddy.h
+++ b/include/drm/drm_buddy.h
@@ -160,6 +160,8 @@ int drm_buddy_block_trim(struct drm_buddy *mm,
u64 new_size,
struct list_head *blocks);
+void drm_buddy_reset_clear(struct drm_buddy *mm, bool is_clear);
+
void drm_buddy_free_block(struct drm_buddy *mm, struct drm_buddy_block *block);
void drm_buddy_free_list(struct drm_buddy *mm,
diff --git a/include/drm/drm_client_setup.h b/include/drm/drm_client_setup.h
new file mode 100644
index 000000000000..46aab3fb46be
--- /dev/null
+++ b/include/drm/drm_client_setup.h
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: MIT */
+
+#ifndef DRM_CLIENT_SETUP_H
+#define DRM_CLIENT_SETUP_H
+
+#include <linux/types.h>
+
+struct drm_device;
+struct drm_format_info;
+
+#if defined(CONFIG_DRM_CLIENT_SETUP)
+void drm_client_setup(struct drm_device *dev, const struct drm_format_info *format);
+void drm_client_setup_with_fourcc(struct drm_device *dev, u32 fourcc);
+void drm_client_setup_with_color_mode(struct drm_device *dev, unsigned int color_mode);
+#else
+static inline void drm_client_setup(struct drm_device *dev,
+ const struct drm_format_info *format)
+{ }
+static inline void drm_client_setup_with_fourcc(struct drm_device *dev, u32 fourcc)
+{ }
+static inline void drm_client_setup_with_color_mode(struct drm_device *dev,
+ unsigned int color_mode)
+{ }
+#endif
+
+#endif
diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h
index e3fa43291f44..1e2b25e204cb 100644
--- a/include/drm/drm_connector.h
+++ b/include/drm/drm_connector.h
@@ -2001,8 +2001,11 @@ struct drm_connector {
struct drm_encoder *encoder;
#define MAX_ELD_BYTES 128
- /** @eld: EDID-like data, if present */
+ /** @eld: EDID-like data, if present, protected by @eld_mutex */
uint8_t eld[MAX_ELD_BYTES];
+ /** @eld_mutex: protection for concurrenct access to @eld */
+ struct mutex eld_mutex;
+
/** @latency_present: AV delay info from ELD, if found */
bool latency_present[2];
/**
diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h
index 02ea4e3248fd..36a606af4ba1 100644
--- a/include/drm/drm_drv.h
+++ b/include/drm/drm_drv.h
@@ -34,6 +34,8 @@
#include <drm/drm_device.h>
+struct drm_fb_helper;
+struct drm_fb_helper_surface_size;
struct drm_file;
struct drm_gem_object;
struct drm_master;
@@ -367,6 +369,22 @@ struct drm_driver {
uint64_t *offset);
/**
+ * @fbdev_probe
+ *
+ * Allocates and initialize the fb_info structure for fbdev emulation.
+ * Furthermore it also needs to allocate the DRM framebuffer used to
+ * back the fbdev.
+ *
+ * This callback is mandatory for fbdev support.
+ *
+ * Returns:
+ *
+ * 0 on success ot a negative error code otherwise.
+ */
+ int (*fbdev_probe)(struct drm_fb_helper *fbdev_helper,
+ struct drm_fb_helper_surface_size *sizes);
+
+ /**
* @show_fdinfo:
*
* Print device specific fdinfo. See Documentation/gpu/drm-usage-stats.rst.
diff --git a/include/drm/drm_fbdev_client.h b/include/drm/drm_fbdev_client.h
new file mode 100644
index 000000000000..e11a5614f127
--- /dev/null
+++ b/include/drm/drm_fbdev_client.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: MIT */
+
+#ifndef DRM_FBDEV_CLIENT_H
+#define DRM_FBDEV_CLIENT_H
+
+struct drm_device;
+struct drm_format_info;
+
+#ifdef CONFIG_DRM_FBDEV_EMULATION
+int drm_fbdev_client_setup(struct drm_device *dev, const struct drm_format_info *format);
+#else
+static inline int drm_fbdev_client_setup(struct drm_device *dev,
+ const struct drm_format_info *format)
+{
+ return 0;
+}
+#endif
+
+#endif
diff --git a/include/drm/drm_fbdev_dma.h b/include/drm/drm_fbdev_dma.h
index 2da7ee784133..6ae4de46497c 100644
--- a/include/drm/drm_fbdev_dma.h
+++ b/include/drm/drm_fbdev_dma.h
@@ -4,12 +4,24 @@
#define DRM_FBDEV_DMA_H
struct drm_device;
+struct drm_fb_helper;
+struct drm_fb_helper_surface_size;
#ifdef CONFIG_DRM_FBDEV_EMULATION
+int drm_fbdev_dma_driver_fbdev_probe(struct drm_fb_helper *fb_helper,
+ struct drm_fb_helper_surface_size *sizes);
+
+#define DRM_FBDEV_DMA_DRIVER_OPS \
+ .fbdev_probe = drm_fbdev_dma_driver_fbdev_probe
+
void drm_fbdev_dma_setup(struct drm_device *dev, unsigned int preferred_bpp);
#else
static inline void drm_fbdev_dma_setup(struct drm_device *dev, unsigned int preferred_bpp)
{ }
+
+#define DRM_FBDEV_DMA_DRIVER_OPS \
+ .fbdev_probe = NULL
+
#endif
#endif
diff --git a/include/drm/drm_fbdev_ttm.h b/include/drm/drm_fbdev_ttm.h
index 9e6c3bdf3537..243685d02eb1 100644
--- a/include/drm/drm_fbdev_ttm.h
+++ b/include/drm/drm_fbdev_ttm.h
@@ -3,11 +3,24 @@
#ifndef DRM_FBDEV_TTM_H
#define DRM_FBDEV_TTM_H
+#include <linux/stddef.h>
+
struct drm_device;
+struct drm_fb_helper;
+struct drm_fb_helper_surface_size;
#ifdef CONFIG_DRM_FBDEV_EMULATION
+int drm_fbdev_ttm_driver_fbdev_probe(struct drm_fb_helper *fb_helper,
+ struct drm_fb_helper_surface_size *sizes);
+
+#define DRM_FBDEV_TTM_DRIVER_OPS \
+ .fbdev_probe = drm_fbdev_ttm_driver_fbdev_probe
+
void drm_fbdev_ttm_setup(struct drm_device *dev, unsigned int preferred_bpp);
#else
+#define DRM_FBDEV_TTM_DRIVER_OPS \
+ .fbdev_probe = NULL
+
static inline void drm_fbdev_ttm_setup(struct drm_device *dev, unsigned int preferred_bpp)
{ }
#endif
diff --git a/include/drm/drm_file.h b/include/drm/drm_file.h
index 8c0030c77308..2bc88d2d4a84 100644
--- a/include/drm/drm_file.h
+++ b/include/drm/drm_file.h
@@ -300,6 +300,9 @@ struct drm_file {
*
* Mapping of mm object handles to object pointers. Used by the GEM
* subsystem. Protected by @table_lock.
+ *
+ * Note that allocated entries might be NULL as a transient state when
+ * creating or deleting a handle.
*/
struct idr object_idr;
diff --git a/include/drm/drm_format_helper.h b/include/drm/drm_format_helper.h
index 428d81afe215..2de9974992c3 100644
--- a/include/drm/drm_format_helper.h
+++ b/include/drm/drm_format_helper.h
@@ -96,9 +96,21 @@ void drm_fb_xrgb8888_to_rgba5551(struct iosys_map *dst, const unsigned int *dst_
void drm_fb_xrgb8888_to_rgb888(struct iosys_map *dst, const unsigned int *dst_pitch,
const struct iosys_map *src, const struct drm_framebuffer *fb,
const struct drm_rect *clip, struct drm_format_conv_state *state);
+void drm_fb_xrgb8888_to_bgr888(struct iosys_map *dst, const unsigned int *dst_pitch,
+ const struct iosys_map *src, const struct drm_framebuffer *fb,
+ const struct drm_rect *clip, struct drm_format_conv_state *state);
void drm_fb_xrgb8888_to_argb8888(struct iosys_map *dst, const unsigned int *dst_pitch,
const struct iosys_map *src, const struct drm_framebuffer *fb,
const struct drm_rect *clip, struct drm_format_conv_state *state);
+void drm_fb_xrgb8888_to_abgr8888(struct iosys_map *dst, const unsigned int *dst_pitch,
+ const struct iosys_map *src, const struct drm_framebuffer *fb,
+ const struct drm_rect *clip, struct drm_format_conv_state *state);
+void drm_fb_xrgb8888_to_xbgr8888(struct iosys_map *dst, const unsigned int *dst_pitch,
+ const struct iosys_map *src, const struct drm_framebuffer *fb,
+ const struct drm_rect *clip, struct drm_format_conv_state *state);
+void drm_fb_xrgb8888_to_bgrx8888(struct iosys_map *dst, const unsigned int *dst_pitch,
+ const struct iosys_map *src, const struct drm_framebuffer *fb,
+ const struct drm_rect *clip, struct drm_format_conv_state *state);
void drm_fb_xrgb8888_to_xrgb2101010(struct iosys_map *dst, const unsigned int *dst_pitch,
const struct iosys_map *src, const struct drm_framebuffer *fb,
const struct drm_rect *clip,
diff --git a/include/drm/drm_fourcc.h b/include/drm/drm_fourcc.h
index ccf91daa4307..c3f4405d6662 100644
--- a/include/drm/drm_fourcc.h
+++ b/include/drm/drm_fourcc.h
@@ -313,6 +313,7 @@ drm_get_format_info(struct drm_device *dev,
uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth);
uint32_t drm_driver_legacy_fb_format(struct drm_device *dev,
uint32_t bpp, uint32_t depth);
+uint32_t drm_driver_color_mode_format(struct drm_device *dev, unsigned int color_mode);
unsigned int drm_format_info_block_width(const struct drm_format_info *info,
int plane);
unsigned int drm_format_info_block_height(const struct drm_format_info *info,
diff --git a/include/drm/drm_framebuffer.h b/include/drm/drm_framebuffer.h
index 668077009fce..38b24fc8978d 100644
--- a/include/drm/drm_framebuffer.h
+++ b/include/drm/drm_framebuffer.h
@@ -23,6 +23,7 @@
#ifndef __DRM_FRAMEBUFFER_H__
#define __DRM_FRAMEBUFFER_H__
+#include <linux/bits.h>
#include <linux/ctype.h>
#include <linux/list.h>
#include <linux/sched.h>
@@ -100,6 +101,8 @@ struct drm_framebuffer_funcs {
unsigned num_clips);
};
+#define DRM_FRAMEBUFFER_HAS_HANDLE_REF(_i) BIT(0u + (_i))
+
/**
* struct drm_framebuffer - frame buffer object
*
@@ -189,6 +192,10 @@ struct drm_framebuffer {
*/
int flags;
/**
+ * @internal_flags: Framebuffer flags like DRM_FRAMEBUFFER_HAS_HANDLE_REF.
+ */
+ unsigned int internal_flags;
+ /**
* @filp_head: Placed on &drm_file.fbs, protected by &drm_file.fbs_lock.
*/
struct list_head filp_head;
diff --git a/include/drm/drm_gem.h b/include/drm/drm_gem.h
index d8b86df2ec0d..ff251745de18 100644
--- a/include/drm/drm_gem.h
+++ b/include/drm/drm_gem.h
@@ -35,6 +35,7 @@
*/
#include <linux/kref.h>
+#include <linux/dma-buf.h>
#include <linux/dma-resv.h>
#include <linux/list.h>
#include <linux/mutex.h>
@@ -570,6 +571,18 @@ static inline bool drm_gem_object_is_shared_for_memory_stats(struct drm_gem_obje
return (obj->handle_count > 1) || obj->dma_buf;
}
+/**
+ * drm_gem_is_imported() - Tests if GEM object's buffer has been imported
+ * @obj: the GEM object
+ *
+ * Returns:
+ * True if the GEM object's buffer has been imported, false otherwise
+ */
+static inline bool drm_gem_is_imported(const struct drm_gem_object *obj)
+{
+ return !!obj->import_attach;
+}
+
#ifdef CONFIG_LOCKDEP
/**
* drm_gem_gpuva_set_lock() - Set the lock protecting accesses to the gpuva list.
diff --git a/include/drm/drm_kunit_helpers.h b/include/drm/drm_kunit_helpers.h
index afdd46ef04f7..c835f113055d 100644
--- a/include/drm/drm_kunit_helpers.h
+++ b/include/drm/drm_kunit_helpers.h
@@ -120,6 +120,9 @@ drm_kunit_helper_create_crtc(struct kunit *test,
const struct drm_crtc_funcs *funcs,
const struct drm_crtc_helper_funcs *helper_funcs);
+int drm_kunit_add_mode_destroy_action(struct kunit *test,
+ struct drm_display_mode *mode);
+
struct drm_display_mode *
drm_kunit_display_mode_from_cea_vic(struct kunit *test, struct drm_device *dev,
u8 video_code);
diff --git a/include/drm/drm_utils.h b/include/drm/drm_utils.h
index 70775748d243..15fa9b6865f4 100644
--- a/include/drm/drm_utils.h
+++ b/include/drm/drm_utils.h
@@ -12,8 +12,12 @@
#include <linux/types.h>
+struct drm_edid;
+
int drm_get_panel_orientation_quirk(int width, int height);
+int drm_get_panel_min_brightness_quirk(const struct drm_edid *edid);
+
signed long drm_timeout_abs_to_jiffies(int64_t timeout_nsec);
#endif
diff --git a/include/drm/intel/i915_pciids.h b/include/drm/intel/i915_pciids.h
index f35534522d33..1ff00e3d4418 100644
--- a/include/drm/intel/i915_pciids.h
+++ b/include/drm/intel/i915_pciids.h
@@ -809,6 +809,10 @@
MACRO__(0xE20B, ## __VA_ARGS__), \
MACRO__(0xE20C, ## __VA_ARGS__), \
MACRO__(0xE20D, ## __VA_ARGS__), \
- MACRO__(0xE212, ## __VA_ARGS__)
+ MACRO__(0xE210, ## __VA_ARGS__), \
+ MACRO__(0xE211, ## __VA_ARGS__), \
+ MACRO__(0xE212, ## __VA_ARGS__), \
+ MACRO__(0xE215, ## __VA_ARGS__), \
+ MACRO__(0xE216, ## __VA_ARGS__)
#endif /* _I915_PCIIDS_H */
diff --git a/include/drm/spsc_queue.h b/include/drm/spsc_queue.h
index 125f096c88cb..ee9df8cc67b7 100644
--- a/include/drm/spsc_queue.h
+++ b/include/drm/spsc_queue.h
@@ -70,9 +70,11 @@ static inline bool spsc_queue_push(struct spsc_queue *queue, struct spsc_node *n
preempt_disable();
+ atomic_inc(&queue->job_count);
+ smp_mb__after_atomic();
+
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
generated by cgit v1.2.3 (git 2.39.0) at 2025-08-30 11:52:42 +0300