diff options
Diffstat (limited to 'include')
54 files changed, 1289 insertions, 178 deletions
diff --git a/include/drm/bridge/dw_mipi_dsi.h b/include/drm/bridge/dw_mipi_dsi.h index bda8aa7c2280..5286a53a1875 100644 --- a/include/drm/bridge/dw_mipi_dsi.h +++ b/include/drm/bridge/dw_mipi_dsi.h @@ -51,7 +51,9 @@ struct dw_mipi_dsi_plat_data { unsigned int max_data_lanes; enum drm_mode_status (*mode_valid)(void *priv_data, - const struct drm_display_mode *mode); + const struct drm_display_mode *mode, + unsigned long mode_flags, + u32 lanes, u32 format); const struct dw_mipi_dsi_phy_ops *phy_ops; const struct dw_mipi_dsi_host_ops *host_ops; diff --git a/include/drm/drm_dp_aux_bus.h b/include/drm/dp/drm_dp_aux_bus.h index 4f19b20b1dd6..4f19b20b1dd6 100644 --- a/include/drm/drm_dp_aux_bus.h +++ b/include/drm/dp/drm_dp_aux_bus.h diff --git a/include/drm/drm_dp_dual_mode_helper.h b/include/drm/dp/drm_dp_dual_mode_helper.h index 7ee482265087..7ee482265087 100644 --- a/include/drm/drm_dp_dual_mode_helper.h +++ b/include/drm/dp/drm_dp_dual_mode_helper.h diff --git a/include/drm/drm_dp_helper.h b/include/drm/dp/drm_dp_helper.h index 30359e434c3f..51e02cf75277 100644 --- a/include/drm/drm_dp_helper.h +++ b/include/drm/dp/drm_dp_helper.h @@ -456,7 +456,7 @@ struct drm_panel; #define DP_FEC_CAPABILITY_1 0x091 /* 2.0 */ /* DP-HDMI2.1 PCON DSC ENCODER SUPPORT */ -#define DP_PCON_DSC_ENCODER_CAP_SIZE 0xC /* 0x9E - 0x92 */ +#define DP_PCON_DSC_ENCODER_CAP_SIZE 0xD /* 0x92 through 0x9E */ #define DP_PCON_DSC_ENCODER 0x092 # define DP_PCON_DSC_ENCODER_SUPPORTED (1 << 0) # define DP_PCON_DSC_PPS_ENC_OVERRIDE (1 << 1) @@ -560,6 +560,7 @@ struct drm_panel; # define DP_TRAINING_PATTERN_DISABLE 0 # define DP_TRAINING_PATTERN_1 1 # define DP_TRAINING_PATTERN_2 2 +# define DP_TRAINING_PATTERN_2_CDS 3 /* 2.0 E11 */ # define DP_TRAINING_PATTERN_3 3 /* 1.2 */ # define DP_TRAINING_PATTERN_4 7 /* 1.4 */ # define DP_TRAINING_PATTERN_MASK 0x3 @@ -738,11 +739,13 @@ struct drm_panel; DP_LANE_CHANNEL_EQ_DONE | \ DP_LANE_SYMBOL_LOCKED) -#define DP_LANE_ALIGN_STATUS_UPDATED 0x204 - -#define DP_INTERLANE_ALIGN_DONE (1 << 0) -#define DP_DOWNSTREAM_PORT_STATUS_CHANGED (1 << 6) -#define DP_LINK_STATUS_UPDATED (1 << 7) +#define DP_LANE_ALIGN_STATUS_UPDATED 0x204 +#define DP_INTERLANE_ALIGN_DONE (1 << 0) +#define DP_128B132B_DPRX_EQ_INTERLANE_ALIGN_DONE (1 << 2) /* 2.0 E11 */ +#define DP_128B132B_DPRX_CDS_INTERLANE_ALIGN_DONE (1 << 3) /* 2.0 E11 */ +#define DP_128B132B_LT_FAILED (1 << 4) /* 2.0 E11 */ +#define DP_DOWNSTREAM_PORT_STATUS_CHANGED (1 << 6) +#define DP_LINK_STATUS_UPDATED (1 << 7) #define DP_SINK_STATUS 0x205 # define DP_RECEIVE_PORT_0_STATUS (1 << 0) @@ -1038,11 +1041,8 @@ struct drm_panel; #define DP_SIDEBAND_MSG_UP_REQ_BASE 0x1600 /* 1.2 MST */ /* DPRX Event Status Indicator */ -#define DP_SINK_COUNT_ESI 0x2002 /* 1.2 */ -/* 0-5 sink count */ -# define DP_SINK_COUNT_CP_READY (1 << 6) - -#define DP_DEVICE_SERVICE_IRQ_VECTOR_ESI0 0x2003 /* 1.2 */ +#define DP_SINK_COUNT_ESI 0x2002 /* same as 0x200 */ +#define DP_DEVICE_SERVICE_IRQ_VECTOR_ESI0 0x2003 /* same as 0x201 */ #define DP_DEVICE_SERVICE_IRQ_VECTOR_ESI1 0x2004 /* 1.2 */ # define DP_RX_GTC_MSTR_REQ_STATUS_CHANGE (1 << 0) @@ -1115,6 +1115,7 @@ struct drm_panel; # define DP_UHBR13_5 (1 << 2) #define DP_128B132B_TRAINING_AUX_RD_INTERVAL 0x2216 /* 2.0 */ +# define DP_128B132B_TRAINING_AUX_RD_INTERVAL_1MS_UNIT (1 << 7) # define DP_128B132B_TRAINING_AUX_RD_INTERVAL_MASK 0x7f # define DP_128B132B_TRAINING_AUX_RD_INTERVAL_400_US 0x00 # define DP_128B132B_TRAINING_AUX_RD_INTERVAL_4_MS 0x01 @@ -1350,6 +1351,7 @@ struct drm_panel; # define DP_PHY_REPEATER_128B132B_SUPPORTED (1 << 0) /* See DP_128B132B_SUPPORTED_LINK_RATES for values */ #define DP_PHY_REPEATER_128B132B_RATES 0xf0007 /* 2.0 */ +#define DP_PHY_REPEATER_EQ_DONE 0xf0008 /* 2.0 E11 */ enum drm_dp_phy { DP_PHY_DPRX, @@ -1528,8 +1530,6 @@ u8 drm_dp_get_adjust_request_pre_emphasis(const u8 link_status[DP_LINK_STATUS_SI int lane); u8 drm_dp_get_adjust_tx_ffe_preset(const u8 link_status[DP_LINK_STATUS_SIZE], int lane); -u8 drm_dp_get_adjust_request_post_cursor(const u8 link_status[DP_LINK_STATUS_SIZE], - unsigned int lane); #define DP_BRANCH_OUI_HEADER_SIZE 0xc #define DP_RECEIVER_CAP_SIZE 0xf @@ -1552,6 +1552,15 @@ void drm_dp_link_train_channel_eq_delay(const struct drm_dp_aux *aux, void drm_dp_lttpr_link_train_channel_eq_delay(const struct drm_dp_aux *aux, const u8 caps[DP_LTTPR_PHY_CAP_SIZE]); +int drm_dp_128b132b_read_aux_rd_interval(struct drm_dp_aux *aux); +bool drm_dp_128b132b_lane_channel_eq_done(const u8 link_status[DP_LINK_STATUS_SIZE], + int lane_count); +bool drm_dp_128b132b_lane_symbol_locked(const u8 link_status[DP_LINK_STATUS_SIZE], + int lane_count); +bool drm_dp_128b132b_eq_interlane_align_done(const u8 link_status[DP_LINK_STATUS_SIZE]); +bool drm_dp_128b132b_cds_interlane_align_done(const u8 link_status[DP_LINK_STATUS_SIZE]); +bool drm_dp_128b132b_link_training_failed(const u8 link_status[DP_LINK_STATUS_SIZE]); + u8 drm_dp_link_rate_to_bw_code(int link_rate); int drm_dp_bw_code_to_link_rate(u8 link_bw); diff --git a/include/drm/drm_dp_mst_helper.h b/include/drm/dp/drm_dp_mst_helper.h index 78044ac5b59b..08276eb8c187 100644 --- a/include/drm/drm_dp_mst_helper.h +++ b/include/drm/dp/drm_dp_mst_helper.h @@ -23,7 +23,7 @@ #define _DRM_DP_MST_HELPER_H_ #include <linux/types.h> -#include <drm/drm_dp_helper.h> +#include <drm/dp/drm_dp_helper.h> #include <drm/drm_atomic.h> #if IS_ENABLED(CONFIG_DRM_DEBUG_DP_MST_TOPOLOGY_REFS) diff --git a/include/drm/drm_bridge.h b/include/drm/drm_bridge.h index 061d87313fac..f27b4060faa2 100644 --- a/include/drm/drm_bridge.h +++ b/include/drm/drm_bridge.h @@ -649,6 +649,13 @@ struct drm_bridge_funcs { * the DRM_BRIDGE_OP_HPD flag in their &drm_bridge->ops. */ void (*hpd_disable)(struct drm_bridge *bridge); + + /** + * @debugfs_init: + * + * Allows bridges to create bridge-specific debugfs files. + */ + void (*debugfs_init)(struct drm_bridge *bridge, struct dentry *root); }; /** diff --git a/include/drm/drm_buddy.h b/include/drm/drm_buddy.h new file mode 100644 index 000000000000..572077ff8ae7 --- /dev/null +++ b/include/drm/drm_buddy.h @@ -0,0 +1,159 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2021 Intel Corporation + */ + +#ifndef __DRM_BUDDY_H__ +#define __DRM_BUDDY_H__ + +#include <linux/bitops.h> +#include <linux/list.h> +#include <linux/slab.h> +#include <linux/sched.h> + +#include <drm/drm_print.h> + +#define range_overflows(start, size, max) ({ \ + typeof(start) start__ = (start); \ + typeof(size) size__ = (size); \ + typeof(max) max__ = (max); \ + (void)(&start__ == &size__); \ + (void)(&start__ == &max__); \ + start__ >= max__ || size__ > max__ - start__; \ +}) + +#define DRM_BUDDY_RANGE_ALLOCATION (1 << 0) +#define DRM_BUDDY_TOPDOWN_ALLOCATION (1 << 1) + +struct drm_buddy_block { +#define DRM_BUDDY_HEADER_OFFSET GENMASK_ULL(63, 12) +#define DRM_BUDDY_HEADER_STATE GENMASK_ULL(11, 10) +#define DRM_BUDDY_ALLOCATED (1 << 10) +#define DRM_BUDDY_FREE (2 << 10) +#define DRM_BUDDY_SPLIT (3 << 10) +/* Free to be used, if needed in the future */ +#define DRM_BUDDY_HEADER_UNUSED GENMASK_ULL(9, 6) +#define DRM_BUDDY_HEADER_ORDER GENMASK_ULL(5, 0) + u64 header; + + struct drm_buddy_block *left; + struct drm_buddy_block *right; + struct drm_buddy_block *parent; + + void *private; /* owned by creator */ + + /* + * While the block is allocated by the user through drm_buddy_alloc*, + * the user has ownership of the link, for example to maintain within + * a list, if so desired. As soon as the block is freed with + * drm_buddy_free* ownership is given back to the mm. + */ + struct list_head link; + struct list_head tmp_link; +}; + +/* Order-zero must be at least PAGE_SIZE */ +#define DRM_BUDDY_MAX_ORDER (63 - PAGE_SHIFT) + +/* + * Binary Buddy System. + * + * Locking should be handled by the user, a simple mutex around + * drm_buddy_alloc* and drm_buddy_free* should suffice. + */ +struct drm_buddy { + /* Maintain a free list for each order. */ + struct list_head *free_list; + + /* + * Maintain explicit binary tree(s) to track the allocation of the + * address space. This gives us a simple way of finding a buddy block + * and performing the potentially recursive merge step when freeing a + * block. Nodes are either allocated or free, in which case they will + * also exist on the respective free list. + */ + struct drm_buddy_block **roots; + + /* + * Anything from here is public, and remains static for the lifetime of + * the mm. Everything above is considered do-not-touch. + */ + unsigned int n_roots; + unsigned int max_order; + + /* Must be at least PAGE_SIZE */ + u64 chunk_size; + u64 size; + u64 avail; +}; + +static inline u64 +drm_buddy_block_offset(struct drm_buddy_block *block) +{ + return block->header & DRM_BUDDY_HEADER_OFFSET; +} + +static inline unsigned int +drm_buddy_block_order(struct drm_buddy_block *block) +{ + return block->header & DRM_BUDDY_HEADER_ORDER; +} + +static inline unsigned int +drm_buddy_block_state(struct drm_buddy_block *block) +{ + return block->header & DRM_BUDDY_HEADER_STATE; +} + +static inline bool +drm_buddy_block_is_allocated(struct drm_buddy_block *block) +{ + return drm_buddy_block_state(block) == DRM_BUDDY_ALLOCATED; +} + +static inline bool +drm_buddy_block_is_free(struct drm_buddy_block *block) +{ + return drm_buddy_block_state(block) == DRM_BUDDY_FREE; +} + +static inline bool +drm_buddy_block_is_split(struct drm_buddy_block *block) +{ + return drm_buddy_block_state(block) == DRM_BUDDY_SPLIT; +} + +static inline u64 +drm_buddy_block_size(struct drm_buddy *mm, + struct drm_buddy_block *block) +{ + return mm->chunk_size << drm_buddy_block_order(block); +} + +int drm_buddy_init(struct drm_buddy *mm, u64 size, u64 chunk_size); + +void drm_buddy_fini(struct drm_buddy *mm); + +struct drm_buddy_block * +drm_get_buddy(struct drm_buddy_block *block); + +int drm_buddy_alloc_blocks(struct drm_buddy *mm, + u64 start, u64 end, u64 size, + u64 min_page_size, + struct list_head *blocks, + unsigned long flags); + +int drm_buddy_block_trim(struct drm_buddy *mm, + u64 new_size, + struct list_head *blocks); + +void drm_buddy_free_block(struct drm_buddy *mm, struct drm_buddy_block *block); + +void drm_buddy_free_list(struct drm_buddy *mm, struct list_head *objects); + +void drm_buddy_print(struct drm_buddy *mm, struct drm_printer *p); +void drm_buddy_block_print(struct drm_buddy *mm, + struct drm_buddy_block *block, + struct drm_printer *p); + +#endif diff --git a/include/drm/drm_cache.h b/include/drm/drm_cache.h index cc9de1632dd3..22deb216b59c 100644 --- a/include/drm/drm_cache.h +++ b/include/drm/drm_cache.h @@ -35,7 +35,7 @@ #include <linux/scatterlist.h> -struct dma_buf_map; +struct iosys_map; void drm_clflush_pages(struct page *pages[], unsigned long num_pages); void drm_clflush_sg(struct sg_table *st); @@ -74,7 +74,7 @@ static inline bool drm_arch_can_wc_memory(void) void drm_memcpy_init_early(void); -void drm_memcpy_from_wc(struct dma_buf_map *dst, - const struct dma_buf_map *src, +void drm_memcpy_from_wc(struct iosys_map *dst, + const struct iosys_map *src, unsigned long len); #endif diff --git a/include/drm/drm_client.h b/include/drm/drm_client.h index f07f2fb02e75..4fc8018eddda 100644 --- a/include/drm/drm_client.h +++ b/include/drm/drm_client.h @@ -3,7 +3,7 @@ #ifndef _DRM_CLIENT_H_ #define _DRM_CLIENT_H_ -#include <linux/dma-buf-map.h> +#include <linux/iosys-map.h> #include <linux/lockdep.h> #include <linux/mutex.h> #include <linux/types.h> @@ -144,7 +144,7 @@ struct drm_client_buffer { /** * @map: Virtual address for the buffer */ - struct dma_buf_map map; + struct iosys_map map; /** * @fb: DRM framebuffer @@ -156,7 +156,8 @@ struct drm_client_buffer * drm_client_framebuffer_create(struct drm_client_dev *client, u32 width, u32 height, u32 format); void drm_client_framebuffer_delete(struct drm_client_buffer *buffer); int drm_client_framebuffer_flush(struct drm_client_buffer *buffer, struct drm_rect *rect); -int drm_client_buffer_vmap(struct drm_client_buffer *buffer, struct dma_buf_map *map); +int drm_client_buffer_vmap(struct drm_client_buffer *buffer, + struct iosys_map *map); void drm_client_buffer_vunmap(struct drm_client_buffer *buffer); int drm_client_modeset_create(struct drm_client_dev *client); diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h index b501d0badaea..5166186146f4 100644 --- a/include/drm/drm_connector.h +++ b/include/drm/drm_connector.h @@ -522,9 +522,9 @@ struct drm_display_info { enum subpixel_order subpixel_order; #define DRM_COLOR_FORMAT_RGB444 (1<<0) -#define DRM_COLOR_FORMAT_YCRCB444 (1<<1) -#define DRM_COLOR_FORMAT_YCRCB422 (1<<2) -#define DRM_COLOR_FORMAT_YCRCB420 (1<<3) +#define DRM_COLOR_FORMAT_YCBCR444 (1<<1) +#define DRM_COLOR_FORMAT_YCBCR422 (1<<2) +#define DRM_COLOR_FORMAT_YCBCR420 (1<<3) /** * @panel_orientation: Read only connector property for built-in panels, @@ -592,10 +592,16 @@ struct drm_display_info { bool rgb_quant_range_selectable; /** - * @edid_hdmi_dc_modes: Mask of supported hdmi deep color modes. Even - * more stuff redundant with @bus_formats. + * @edid_hdmi_rgb444_dc_modes: Mask of supported hdmi deep color modes + * in RGB 4:4:4. Even more stuff redundant with @bus_formats. */ - u8 edid_hdmi_dc_modes; + u8 edid_hdmi_rgb444_dc_modes; + + /** + * @edid_hdmi_ycbcr444_dc_modes: Mask of supported hdmi deep color + * modes in YCbCr 4:4:4. Even more stuff redundant with @bus_formats. + */ + u8 edid_hdmi_ycbcr444_dc_modes; /** * @cea_rev: CEA revision of the HDMI sink. @@ -1136,6 +1142,13 @@ struct drm_connector_funcs { * has been received from a source outside the display driver / device. */ void (*oob_hotplug_event)(struct drm_connector *connector); + + /** + * @debugfs_init: + * + * Allows connectors to create connector-specific debugfs files. + */ + void (*debugfs_init)(struct drm_connector *connector, struct dentry *root); }; /** diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h index 13eeba2a750a..a70baea0636c 100644 --- a/include/drm/drm_crtc.h +++ b/include/drm/drm_crtc.h @@ -285,6 +285,10 @@ struct drm_crtc_state { * Lookup table for converting pixel data after the color conversion * matrix @ctm. See drm_crtc_enable_color_mgmt(). The blob (if not * NULL) is an array of &struct drm_color_lut. + * + * Note that for mostly historical reasons stemming from Xorg heritage, + * this is also used to store the color map (also sometimes color lut, + * CLUT or color palette) for indexed formats like DRM_FORMAT_C8. */ struct drm_property_blob *gamma_lut; @@ -1075,12 +1079,18 @@ struct drm_crtc { /** * @gamma_size: Size of legacy gamma ramp reported to userspace. Set up * by calling drm_mode_crtc_set_gamma_size(). + * + * Note that atomic drivers need to instead use + * &drm_crtc_state.gamma_lut. See drm_crtc_enable_color_mgmt(). */ uint32_t gamma_size; /** * @gamma_store: Gamma ramp values used by the legacy SETGAMMA and * GETGAMMA IOCTls. Set up by calling drm_mode_crtc_set_gamma_size(). + * + * Note that atomic drivers need to instead use + * &drm_crtc_state.gamma_lut. See drm_crtc_enable_color_mgmt(). */ uint16_t *gamma_store; @@ -1135,14 +1145,12 @@ struct drm_crtc { */ spinlock_t commit_lock; -#ifdef CONFIG_DEBUG_FS /** * @debugfs_entry: * * Debugfs directory for this CRTC. */ struct dentry *debugfs_entry; -#endif /** * @crc: diff --git a/include/drm/drm_dsc.h b/include/drm/drm_dsc.h index cf43561e60fa..ca022e960dcc 100644 --- a/include/drm/drm_dsc.h +++ b/include/drm/drm_dsc.h @@ -8,7 +8,7 @@ #ifndef DRM_DSC_H_ #define DRM_DSC_H_ -#include <drm/drm_dp_helper.h> +#include <drm/dp/drm_dp_helper.h> /* VESA Display Stream Compression DSC 1.2 constants */ #define DSC_NUM_BUF_RANGES 15 diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h index 18f6c700f6d0..144c495b99c4 100644 --- a/include/drm/drm_edid.h +++ b/include/drm/drm_edid.h @@ -401,8 +401,8 @@ drm_hdmi_vendor_infoframe_from_display_mode(struct hdmi_vendor_infoframe *frame, const struct drm_display_mode *mode); void -drm_hdmi_avi_infoframe_colorspace(struct hdmi_avi_infoframe *frame, - const struct drm_connector_state *conn_state); +drm_hdmi_avi_infoframe_colorimetry(struct hdmi_avi_infoframe *frame, + const struct drm_connector_state *conn_state); void drm_hdmi_avi_infoframe_bars(struct hdmi_avi_infoframe *frame, diff --git a/include/drm/drm_format_helper.h b/include/drm/drm_format_helper.h index b30ed5de0a33..0b0937c0b2f6 100644 --- a/include/drm/drm_format_helper.h +++ b/include/drm/drm_format_helper.h @@ -43,4 +43,8 @@ int drm_fb_blit_toio(void __iomem *dst, unsigned int dst_pitch, uint32_t dst_for const void *vmap, const struct drm_framebuffer *fb, const struct drm_rect *rect); +void drm_fb_xrgb8888_to_mono_reversed(void *dst, unsigned int dst_pitch, const void *src, + const struct drm_framebuffer *fb, + const struct drm_rect *clip); + #endif /* __LINUX_DRM_FORMAT_HELPER_H */ diff --git a/include/drm/drm_gem.h b/include/drm/drm_gem.h index 35e7f44c2a75..e2941cee14b6 100644 --- a/include/drm/drm_gem.h +++ b/include/drm/drm_gem.h @@ -39,7 +39,7 @@ #include <drm/drm_vma_manager.h> -struct dma_buf_map; +struct iosys_map; struct drm_gem_object; /** @@ -139,7 +139,7 @@ struct drm_gem_object_funcs { * * This callback is optional. */ - int (*vmap)(struct drm_gem_object *obj, struct dma_buf_map *map); + int (*vmap)(struct drm_gem_object *obj, struct iosys_map *map); /** * @vunmap: @@ -149,7 +149,7 @@ struct drm_gem_object_funcs { * * This callback is optional. */ - void (*vunmap)(struct drm_gem_object *obj, struct dma_buf_map *map); + void (*vunmap)(struct drm_gem_object *obj, struct iosys_map *map); /** * @mmap: diff --git a/include/drm/drm_gem_atomic_helper.h b/include/drm/drm_gem_atomic_helper.h index 0b1e2dd2ac3f..6e3319e9001a 100644 --- a/include/drm/drm_gem_atomic_helper.h +++ b/include/drm/drm_gem_atomic_helper.h @@ -3,7 +3,7 @@ #ifndef __DRM_GEM_ATOMIC_HELPER_H__ #define __DRM_GEM_ATOMIC_HELPER_H__ -#include <linux/dma-buf-map.h> +#include <linux/iosys-map.h> #include <drm/drm_fourcc.h> #include <drm/drm_plane.h> @@ -59,7 +59,7 @@ struct drm_shadow_plane_state { * The memory mappings stored in map should be established in the plane's * prepare_fb callback and removed in the cleanup_fb callback. */ - struct dma_buf_map map[DRM_FORMAT_MAX_PLANES]; + struct iosys_map map[DRM_FORMAT_MAX_PLANES]; /** * @data: Address of each framebuffer BO's data @@ -67,7 +67,7 @@ struct drm_shadow_plane_state { * The address of the data stored in each mapping. This is different * for framebuffers with non-zero offset fields. */ - struct dma_buf_map data[DRM_FORMAT_MAX_PLANES]; + struct iosys_map data[DRM_FORMAT_MAX_PLANES]; }; /** diff --git a/include/drm/drm_gem_cma_helper.h b/include/drm/drm_gem_cma_helper.h index adb507a9dbf0..fbda4ce5d5fb 100644 --- a/include/drm/drm_gem_cma_helper.h +++ b/include/drm/drm_gem_cma_helper.h @@ -38,7 +38,8 @@ void drm_gem_cma_free(struct drm_gem_cma_object *cma_obj); void drm_gem_cma_print_info(const struct drm_gem_cma_object *cma_obj, struct drm_printer *p, unsigned int indent); struct sg_table *drm_gem_cma_get_sg_table(struct drm_gem_cma_object *cma_obj); -int drm_gem_cma_vmap(struct drm_gem_cma_object *cma_obj, struct dma_buf_map *map); +int drm_gem_cma_vmap(struct drm_gem_cma_object *cma_obj, + struct iosys_map *map); int drm_gem_cma_mmap(struct drm_gem_cma_object *cma_obj, struct vm_area_struct *vma); extern const struct vm_operations_struct drm_gem_cma_vm_ops; @@ -106,7 +107,8 @@ static inline struct sg_table *drm_gem_cma_object_get_sg_table(struct drm_gem_ob * Returns: * 0 on success or a negative error code on failure. */ -static inline int drm_gem_cma_object_vmap(struct drm_gem_object *obj, struct dma_buf_map *map) +static inline int drm_gem_cma_object_vmap(struct drm_gem_object *obj, + struct iosys_map *map) { struct drm_gem_cma_object *cma_obj = to_drm_gem_cma_obj(obj); diff --git a/include/drm/drm_gem_framebuffer_helper.h b/include/drm/drm_gem_framebuffer_helper.h index 905727719ead..1091e4fa08cb 100644 --- a/include/drm/drm_gem_framebuffer_helper.h +++ b/include/drm/drm_gem_framebuffer_helper.h @@ -2,7 +2,7 @@ #define __DRM_GEM_FB_HELPER_H__ #include <linux/dma-buf.h> -#include <linux/dma-buf-map.h> +#include <linux/iosys-map.h> #include <drm/drm_fourcc.h> @@ -40,10 +40,10 @@ drm_gem_fb_create_with_dirty(struct drm_device *dev, struct drm_file *file, const struct drm_mode_fb_cmd2 *mode_cmd); int drm_gem_fb_vmap(struct drm_framebuffer *fb, - struct dma_buf_map map[static DRM_FORMAT_MAX_PLANES], - struct dma_buf_map data[DRM_FORMAT_MAX_PLANES]); + struct iosys_map map[static DRM_FORMAT_MAX_PLANES], + struct iosys_map data[DRM_FORMAT_MAX_PLANES]); void drm_gem_fb_vunmap(struct drm_framebuffer *fb, - struct dma_buf_map map[static DRM_FORMAT_MAX_PLANES]); + struct iosys_map map[static DRM_FORMAT_MAX_PLANES]); int drm_gem_fb_begin_cpu_access(struct drm_framebuffer *fb, enum dma_data_direction dir); void drm_gem_fb_end_cpu_access(struct drm_framebuffer *fb, enum dma_data_direction dir); diff --git a/include/drm/drm_gem_shmem_helper.h b/include/drm/drm_gem_shmem_helper.h index 311d66c9cf4b..d0a57853c188 100644 --- a/include/drm/drm_gem_shmem_helper.h +++ b/include/drm/drm_gem_shmem_helper.h @@ -113,8 +113,10 @@ int drm_gem_shmem_get_pages(struct drm_gem_shmem_object *shmem); void drm_gem_shmem_put_pages(struct drm_gem_shmem_object *shmem); int drm_gem_shmem_pin(struct drm_gem_shmem_object *shmem); void drm_gem_shmem_unpin(struct drm_gem_shmem_object *shmem); -int drm_gem_shmem_vmap(struct drm_gem_shmem_object *shmem, struct dma_buf_map *map); -void drm_gem_shmem_vunmap(struct drm_gem_shmem_object *shmem, struct dma_buf_map *map); +int drm_gem_shmem_vmap(struct drm_gem_shmem_object *shmem, + struct iosys_map *map); +void drm_gem_shmem_vunmap(struct drm_gem_shmem_object *shmem, + struct iosys_map *map); int drm_gem_shmem_mmap(struct drm_gem_shmem_object *shmem, struct vm_area_struct *vma); int drm_gem_shmem_madvise(struct drm_gem_shmem_object *shmem, int madv); @@ -135,6 +137,8 @@ struct sg_table *drm_gem_shmem_get_pages_sgt(struct drm_gem_shmem_object *shmem) void drm_gem_shmem_print_info(const struct drm_gem_shmem_object *shmem, struct drm_printer *p, unsigned int indent); +extern const struct vm_operations_struct drm_gem_shmem_vm_ops; + /* * GEM object functions */ @@ -226,7 +230,8 @@ static inline struct sg_table *drm_gem_shmem_object_get_sg_table(struct drm_gem_ * Returns: * 0 on success or a negative error code on failure. */ -static inline int drm_gem_shmem_object_vmap(struct drm_gem_object *obj, struct dma_buf_map *map) +static inline int drm_gem_shmem_object_vmap(struct drm_gem_object *obj, + struct iosys_map *map) { struct drm_gem_shmem_object *shmem = to_drm_gem_shmem_obj(obj); @@ -241,7 +246,8 @@ static inline int drm_gem_shmem_object_vmap(struct drm_gem_object *obj, struct d * This function wraps drm_gem_shmem_vunmap(). Drivers that employ the shmem helpers should * use it as their &drm_gem_object_funcs.vunmap handler. */ -static inline void drm_gem_shmem_object_vunmap(struct drm_gem_object *obj, struct dma_buf_map *map) +static inline void drm_gem_shmem_object_vunmap(struct drm_gem_object *obj, + struct iosys_map *map) { struct drm_gem_shmem_object *shmem = to_drm_gem_shmem_obj(obj); diff --git a/include/drm/drm_gem_ttm_helper.h b/include/drm/drm_gem_ttm_helper.h index 78040f6cc6f3..4c003b4f173e 100644 --- a/include/drm/drm_gem_ttm_helper.h +++ b/include/drm/drm_gem_ttm_helper.h @@ -10,7 +10,7 @@ #include <drm/ttm/ttm_bo_api.h> #include <drm/ttm/ttm_bo_driver.h> -struct dma_buf_map; +struct iosys_map; #define drm_gem_ttm_of_gem(gem_obj) \ container_of(gem_obj, struct ttm_buffer_object, base) @@ -18,9 +18,9 @@ struct dma_buf_map; void drm_gem_ttm_print_info(struct drm_printer *p, unsigned int indent, const struct drm_gem_object *gem); int drm_gem_ttm_vmap(struct drm_gem_object *gem, - struct dma_buf_map *map); + struct iosys_map *map); void drm_gem_ttm_vunmap(struct drm_gem_object *gem, - struct dma_buf_map *map); + struct iosys_map *map); int drm_gem_ttm_mmap(struct drm_gem_object *gem, struct vm_area_struct *vma); diff --git a/include/drm/drm_gem_vram_helper.h b/include/drm/drm_gem_vram_helper.h index b4ce27a72773..c083a1d71cf4 100644 --- a/include/drm/drm_gem_vram_helper.h +++ b/include/drm/drm_gem_vram_helper.h @@ -12,7 +12,7 @@ #include <drm/ttm/ttm_bo_driver.h> #include <linux/container_of.h> -#include <linux/dma-buf-map.h> +#include <linux/iosys-map.h> struct drm_mode_create_dumb; struct drm_plane; @@ -51,7 +51,7 @@ struct vm_area_struct; */ struct drm_gem_vram_object { struct ttm_buffer_object bo; - struct dma_buf_map map; + struct iosys_map map; /** * @vmap_use_count: @@ -97,8 +97,9 @@ void drm_gem_vram_put(struct drm_gem_vram_object *gbo); s64 drm_gem_vram_offset(struct drm_gem_vram_object *gbo); int drm_gem_vram_pin(struct drm_gem_vram_object *gbo, unsigned long pl_flag); int drm_gem_vram_unpin(struct drm_gem_vram_object *gbo); -int drm_gem_vram_vmap(struct drm_gem_vram_object *gbo, struct dma_buf_map *map); -void drm_gem_vram_vunmap(struct drm_gem_vram_object *gbo, struct dma_buf_map *map); +int drm_gem_vram_vmap(struct drm_gem_vram_object *gbo, struct iosys_map *map); +void drm_gem_vram_vunmap(struct drm_gem_vram_object *gbo, + struct iosys_map *map); int drm_gem_vram_fill_create_dumb(struct drm_file *file, struct drm_device *dev, diff --git a/include/drm/drm_mipi_dbi.h b/include/drm/drm_mipi_dbi.h index 05e194958265..dad2f187b64b 100644 --- a/include/drm/drm_mipi_dbi.h +++ b/include/drm/drm_mipi_dbi.h @@ -130,6 +130,14 @@ struct mipi_dbi_dev { * @dbi: MIPI DBI interface */ struct mipi_dbi dbi; + + /** + * @driver_private: Driver private data. + * Necessary for drivers with private data since devm_drm_dev_alloc() + * can't allocate structures that embed a structure which then again + * embeds drm_device. + */ + void *driver_private; }; static inline struct mipi_dbi_dev *drm_to_mipi_dbi_dev(struct drm_device *drm) @@ -194,7 +202,7 @@ int mipi_dbi_buf_copy(void *dst, struct drm_framebuffer *fb, #ifdef CONFIG_DEBUG_FS void mipi_dbi_debugfs_init(struct drm_minor *minor); #else -#define mipi_dbi_debugfs_init NULL +static inline void mipi_dbi_debugfs_init(struct drm_minor *minor) {} #endif #endif /* __LINUX_MIPI_DBI_H */ diff --git a/include/drm/drm_mode_config.h b/include/drm/drm_mode_config.h index 91ca575a78de..6b5e01295348 100644 --- a/include/drm/drm_mode_config.h +++ b/include/drm/drm_mode_config.h @@ -918,20 +918,14 @@ struct drm_mode_config { bool async_page_flip; /** - * @allow_fb_modifiers: + * @fb_modifiers_not_supported: * - * Whether the driver supports fb modifiers in the ADDFB2.1 ioctl call. - * Note that drivers should not set this directly, it is automatically - * set in drm_universal_plane_init(). - * - * IMPORTANT: - * - * If this is set the driver must fill out the full implicit modifier - * information in their &drm_mode_config_funcs.fb_create hook for legacy - * userspace which does not set modifiers. Otherwise the GETFB2 ioctl is - * broken for modifier aware userspace. + * When this flag is set, the DRM device will not expose modifier + * support to userspace. This is only used by legacy drivers that infer + * the buffer layout through heuristics without using modifiers. New + * drivers shall not set fhis flag. */ - bool allow_fb_modifiers; + bool fb_modifiers_not_supported; /** * @normalize_zpos: diff --git a/include/drm/drm_mode_object.h b/include/drm/drm_mode_object.h index c34a3e8030e1..912f1e415685 100644 --- a/include/drm/drm_mode_object.h +++ b/include/drm/drm_mode_object.h @@ -98,6 +98,10 @@ struct drm_object_properties { * Hence atomic drivers should not use drm_object_property_set_value() * and drm_object_property_get_value() on mutable objects, i.e. those * without the DRM_MODE_PROP_IMMUTABLE flag set. + * + * For atomic drivers the default value of properties is stored in this + * array, so drm_object_property_get_default_value can be used to + * retrieve it. */ uint64_t values[DRM_OBJECT_MAX_PROPERTY]; }; @@ -126,6 +130,9 @@ int drm_object_property_set_value(struct drm_mode_object *obj, int drm_object_property_get_value(struct drm_mode_object *obj, struct drm_property *property, uint64_t *value); +int drm_object_property_get_default_value(struct drm_mode_object *obj, + struct drm_property *property, + uint64_t *val); void drm_object_attach_property(struct drm_mode_object *obj, struct drm_property *property, diff --git a/include/drm/drm_modes.h b/include/drm/drm_modes.h index 29ba4adf0c53..2fa6b2c33b3f 100644 --- a/include/drm/drm_modes.h +++ b/include/drm/drm_modes.h @@ -466,6 +466,8 @@ void drm_bus_flags_from_videomode(const struct videomode *vm, u32 *bus_flags); int of_get_drm_display_mode(struct device_node *np, struct drm_display_mode *dmode, u32 *bus_flags, int index); +int of_get_drm_panel_display_mode(struct device_node *np, + struct drm_display_mode *dmode, u32 *bus_flags); #else static inline int of_get_drm_display_mode(struct device_node *np, struct drm_display_mode *dmode, @@ -473,6 +475,12 @@ static inline int of_get_drm_display_mode(struct device_node *np, { return -EINVAL; } + +static inline int of_get_drm_panel_display_mode(struct device_node *np, + struct drm_display_mode *dmode, u32 *bus_flags) +{ + return -EINVAL; +} #endif void drm_mode_set_name(struct drm_display_mode *mode); diff --git a/include/drm/drm_modeset_lock.h b/include/drm/drm_modeset_lock.h index b84693fbd2b5..ec4f543c3d95 100644 --- a/include/drm/drm_modeset_lock.h +++ b/include/drm/drm_modeset_lock.h @@ -34,6 +34,7 @@ struct drm_modeset_lock; * struct drm_modeset_acquire_ctx - locking context (see ww_acquire_ctx) * @ww_ctx: base acquire ctx * @contended: used internally for -EDEADLK handling + * @stack_depot: used internally for contention debugging * @locked: list of held locks * @trylock_only: trylock mode used in atomic contexts/panic notifiers * @interruptible: whether interruptible locking should be used. diff --git a/include/drm/drm_module.h b/include/drm/drm_module.h new file mode 100644 index 000000000000..4db1ae03d9a5 --- /dev/null +++ b/include/drm/drm_module.h @@ -0,0 +1,125 @@ +/* SPDX-License-Identifier: MIT */ + +#ifndef DRM_MODULE_H +#define DRM_MODULE_H + +#include <linux/pci.h> +#include <linux/platform_device.h> + +#include <drm/drm_drv.h> + +/** + * DOC: overview + * + * This library provides helpers registering DRM drivers during module + * initialization and shutdown. The provided helpers act like bus-specific + * module helpers, such as module_pci_driver(), but respect additional + * parameters that control DRM driver registration. + * + * Below is an example of initializing a DRM driver for a device on the + * PCI bus. + * + * .. code-block:: c + * + * struct pci_driver my_pci_drv = { + * }; + * + * drm_module_pci_driver(my_pci_drv); + * + * The generated code will test if DRM drivers are enabled and register + * the PCI driver my_pci_drv. For more complex module initialization, you + * can still use module_init() and module_exit() in your driver. + */ + +/* + * PCI drivers + */ + +static inline int __init drm_pci_register_driver(struct pci_driver *pci_drv) +{ + if (drm_firmware_drivers_only()) + return -ENODEV; + + return pci_register_driver(pci_drv); +} + +/** + * drm_module_pci_driver - Register a DRM driver for PCI-based devices + * @__pci_drv: the PCI driver structure + * + * Registers a DRM driver for devices on the PCI bus. The helper + * macro behaves like module_pci_driver() but tests the state of + * drm_firmware_drivers_only(). For more complex module initialization, + * use module_init() and module_exit() directly. + * + * Each module may only use this macro once. Calling it replaces + * module_init() and module_exit(). + */ +#define drm_module_pci_driver(__pci_drv) \ + module_driver(__pci_drv, drm_pci_register_driver, pci_unregister_driver) + +static inline int __init +drm_pci_register_driver_if_modeset(struct pci_driver *pci_drv, int modeset) +{ + if (drm_firmware_drivers_only() && modeset == -1) + return -ENODEV; + if (modeset == 0) + return -ENODEV; + + return pci_register_driver(pci_drv); +} + +static inline void __exit +drm_pci_unregister_driver_if_modeset(struct pci_driver *pci_drv, int modeset) +{ + pci_unregister_driver(pci_drv); +} + +/** + * drm_module_pci_driver_if_modeset - Register a DRM driver for PCI-based devices + * @__pci_drv: the PCI driver structure + * @__modeset: an additional parameter that disables the driver + * + * This macro is deprecated and only provided for existing drivers. For + * new drivers, use drm_module_pci_driver(). + * + * Registers a DRM driver for devices on the PCI bus. The helper macro + * behaves like drm_module_pci_driver() with an additional driver-specific + * flag. If __modeset is 0, the driver has been disabled, if __modeset is + * -1 the driver state depends on the global DRM state. For all other + * values, the PCI driver has been enabled. The default should be -1. + */ +#define drm_module_pci_driver_if_modeset(__pci_drv, __modeset) \ + module_driver(__pci_drv, drm_pci_register_driver_if_modeset, \ + drm_pci_unregister_driver_if_modeset, __modeset) + +/* + * Platform drivers + */ + +static inline int __init +drm_platform_driver_register(struct platform_driver *platform_drv) +{ + if (drm_firmware_drivers_only()) + return -ENODEV; + + return platform_driver_register(platform_drv); +} + +/** + * drm_module_platform_driver - Register a DRM driver for platform devices + * @__platform_drv: the platform driver structure + * + * Registers a DRM driver for devices on the platform bus. The helper + * macro behaves like module_platform_driver() but tests the state of + * drm_firmware_drivers_only(). For more complex module initialization, + * use module_init() and module_exit() directly. + * + * Each module may only use this macro once. Calling it replaces + * module_init() and module_exit(). + */ +#define drm_module_platform_driver(__platform_drv) \ + module_driver(__platform_drv, drm_platform_driver_register, \ + platform_driver_unregister) + +#endif diff --git a/include/drm/drm_panel.h b/include/drm/drm_panel.h index 4602f833eb51..1ba2d424a53f 100644 --- a/include/drm/drm_panel.h +++ b/include/drm/drm_panel.h @@ -29,6 +29,7 @@ #include <linux/list.h> struct backlight_device; +struct dentry; struct device_node; struct drm_connector; struct drm_device; @@ -125,6 +126,13 @@ struct drm_panel_funcs { */ int (*get_timings)(struct drm_panel *panel, unsigned int num_timings, struct display_timing *timings); + + /** + * @debugfs_init: + * + * Allows panels to create panels-specific debugfs files. + */ + void (*debugfs_init)(struct drm_panel *panel, struct dentry *root); }; /** diff --git a/include/drm/drm_plane.h b/include/drm/drm_plane.h index 0c1102dc4d88..2628c7cde2da 100644 --- a/include/drm/drm_plane.h +++ b/include/drm/drm_plane.h @@ -516,7 +516,7 @@ struct drm_plane_funcs { * This optional hook is used for the DRM to determine if the given * format/modifier combination is valid for the plane. This allows the * DRM to generate the correct format bitmask (which formats apply to - * which modifier), and to valdiate modifiers at atomic_check time. + * which modifier), and to validate modifiers at atomic_check time. * * If not present, then any modifier in the plane's modifier * list is allowed with any of the plane's formats. @@ -803,6 +803,9 @@ void *__drmm_universal_plane_alloc(struct drm_device *dev, * * The @drm_plane_funcs.destroy hook must be NULL. * + * Drivers that only support the DRM_FORMAT_MOD_LINEAR modifier support may set + * @format_modifiers to NULL. The plane will advertise the linear modifier. + * * Returns: * Pointer to new plane, or ERR_PTR on failure. */ diff --git a/include/drm/drm_prime.h b/include/drm/drm_prime.h index 54f2c58305d2..2a1d01e5b56b 100644 --- a/include/drm/drm_prime.h +++ b/include/drm/drm_prime.h @@ -54,7 +54,7 @@ struct device; struct dma_buf_export_info; struct dma_buf; struct dma_buf_attachment; -struct dma_buf_map; +struct iosys_map; enum dma_data_direction; @@ -83,8 +83,8 @@ struct sg_table *drm_gem_map_dma_buf(struct dma_buf_attachment *attach, void drm_gem_unmap_dma_buf(struct dma_buf_attachment *attach, struct sg_table *sgt, enum dma_data_direction dir); -int drm_gem_dmabuf_vmap(struct dma_buf *dma_buf, struct dma_buf_map *map); -void drm_gem_dmabuf_vunmap(struct dma_buf *dma_buf, struct dma_buf_map *map); +int drm_gem_dmabuf_vmap(struct dma_buf *dma_buf, struct iosys_map *map); +void drm_gem_dmabuf_vunmap(struct dma_buf *dma_buf, struct iosys_map *map); int drm_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma); int drm_gem_dmabuf_mmap(struct dma_buf *dma_buf, struct vm_area_struct *vma); diff --git a/include/drm/drm_privacy_screen_driver.h b/include/drm/drm_privacy_screen_driver.h index 24591b607675..4ef246d5706f 100644 --- a/include/drm/drm_privacy_screen_driver.h +++ b/include/drm/drm_privacy_screen_driver.h @@ -73,10 +73,21 @@ struct drm_privacy_screen { * for more info. */ enum drm_privacy_screen_status hw_state; + /** + * @drvdata: Private data owned by the privacy screen provider + */ + void *drvdata; }; +static inline +void *drm_privacy_screen_get_drvdata(struct drm_privacy_screen *priv) +{ + return priv->drvdata; +} + struct drm_privacy_screen *drm_privacy_screen_register( - struct device *parent, const struct drm_privacy_screen_ops *ops); + struct device *parent, const struct drm_privacy_screen_ops *ops, + void *data); void drm_privacy_screen_unregister(struct drm_privacy_screen *priv); void drm_privacy_screen_call_notifier_chain(struct drm_privacy_screen *priv); diff --git a/include/drm/gpu_scheduler.h b/include/drm/gpu_scheduler.h index bbc22fad8d80..944f83ef9f2e 100644 --- a/include/drm/gpu_scheduler.h +++ b/include/drm/gpu_scheduler.h @@ -457,13 +457,14 @@ struct drm_gpu_scheduler { atomic_t _score; bool ready; bool free_guilty; + struct device *dev; }; 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, struct workqueue_struct *timeout_wq, - atomic_t *score, const char *name); + atomic_t *score, const char *name, struct device *dev); void drm_sched_fini(struct drm_gpu_scheduler *sched); int drm_sched_job_init(struct drm_sched_job *job, diff --git a/include/drm/i915_pciids.h b/include/drm/i915_pciids.h index baf3d1d3d566..533890dc9da1 100644 --- a/include/drm/i915_pciids.h +++ b/include/drm/i915_pciids.h @@ -666,6 +666,12 @@ INTEL_VGA_DEVICE(0x46C2, info), \ INTEL_VGA_DEVICE(0x46C3, info) +/* ADL-N */ +#define INTEL_ADLN_IDS(info) \ + INTEL_VGA_DEVICE(0x46D0, info), \ + INTEL_VGA_DEVICE(0x46D1, info), \ + INTEL_VGA_DEVICE(0x46D2, info) + /* RPL-S */ #define INTEL_RPLS_IDS(info) \ INTEL_VGA_DEVICE(0xA780, info), \ diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h index c17b2df9178b..155b19ee12fb 100644 --- a/include/drm/ttm/ttm_bo_api.h +++ b/include/drm/ttm/ttm_bo_api.h @@ -47,7 +47,7 @@ struct ttm_global; struct ttm_device; -struct dma_buf_map; +struct iosys_map; struct drm_mm_node; @@ -481,17 +481,17 @@ void ttm_bo_kunmap(struct ttm_bo_kmap_obj *map); * ttm_bo_vmap * * @bo: The buffer object. - * @map: pointer to a struct dma_buf_map representing the map. + * @map: pointer to a struct iosys_map representing the map. * * Sets up a kernel virtual mapping, using ioremap or vmap to the * data in the buffer object. The parameter @map returns the virtual - * address as struct dma_buf_map. Unmap the buffer with ttm_bo_vunmap(). + * address as struct iosys_map. Unmap the buffer with ttm_bo_vunmap(). * * Returns * -ENOMEM: Out of memory. * -EINVAL: Invalid range. */ -int ttm_bo_vmap(struct ttm_buffer_object *bo, struct dma_buf_map *map); +int ttm_bo_vmap(struct ttm_buffer_object *bo, struct iosys_map *map); /** * ttm_bo_vunmap @@ -501,7 +501,7 @@ int ttm_bo_vmap(struct ttm_buffer_object *bo, struct dma_buf_map *map); * * Unmaps a kernel map set up by ttm_bo_vmap(). */ -void ttm_bo_vunmap(struct ttm_buffer_object *bo, struct dma_buf_map *map); +void ttm_bo_vunmap(struct ttm_buffer_object *bo, struct iosys_map *map); /** * ttm_bo_mmap_obj - mmap memory backed by a ttm buffer object. diff --git a/include/drm/ttm/ttm_kmap_iter.h b/include/drm/ttm/ttm_kmap_iter.h index 8bb00fd39d6c..cc5c09a211b4 100644 --- a/include/drm/ttm/ttm_kmap_iter.h +++ b/include/drm/ttm/ttm_kmap_iter.h @@ -8,7 +8,7 @@ #include <linux/types.h> struct ttm_kmap_iter; -struct dma_buf_map; +struct iosys_map; /** * struct ttm_kmap_iter_ops - Ops structure for a struct @@ -24,22 +24,22 @@ struct ttm_kmap_iter_ops { * kmap_local semantics. * @res_iter: Pointer to the struct ttm_kmap_iter representing * the resource. - * @dmap: The struct dma_buf_map holding the virtual address after + * @dmap: The struct iosys_map holding the virtual address after * the operation. * @i: The location within the resource to map. PAGE_SIZE granularity. */ void (*map_local)(struct ttm_kmap_iter *res_iter, - struct dma_buf_map *dmap, pgoff_t i); + struct iosys_map *dmap, pgoff_t i); /** * unmap_local() - Unmap a PAGE_SIZE part of the resource previously * mapped using kmap_local. * @res_iter: Pointer to the struct ttm_kmap_iter representing * the resource. - * @dmap: The struct dma_buf_map holding the virtual address after + * @dmap: The struct iosys_map holding the virtual address after * the operation. */ void (*unmap_local)(struct ttm_kmap_iter *res_iter, - struct dma_buf_map *dmap); + struct iosys_map *dmap); bool maps_tt; }; diff --git a/include/drm/ttm/ttm_resource.h b/include/drm/ttm/ttm_resource.h index 5952051091cd..0f1d55262c68 100644 --- a/include/drm/ttm/ttm_resource.h +++ b/include/drm/ttm/ttm_resource.h @@ -27,7 +27,7 @@ #include <linux/types.h> #include <linux/mutex.h> -#include <linux/dma-buf-map.h> +#include <linux/iosys-map.h> #include <linux/dma-fence.h> #include <drm/drm_print.h> #include <drm/ttm/ttm_caching.h> @@ -41,7 +41,7 @@ struct ttm_resource; struct ttm_place; struct ttm_buffer_object; struct ttm_placement; -struct dma_buf_map; +struct iosys_map; struct io_mapping; struct sg_table; struct scatterlist; @@ -105,11 +105,11 @@ struct ttm_resource_manager_func { * @use_type: The memory type is enabled. * @use_tt: If a TT object should be used for the backing store. * @size: Size of the managed region. + * @bdev: ttm device this manager belongs to * @func: structure pointer implementing the range manager. See above * @move_lock: lock for move fence - * static information. bdev::driver::io_mem_free is never used. - * @lru: The lru list for this memory type. * @move: The fence of the last pipelined move operation. + * @lru: The lru list for this memory type. * * This structure is used to identify and manage memory types for a device. */ @@ -119,20 +119,26 @@ struct ttm_resource_manager { */ bool use_type; bool use_tt; + struct ttm_device *bdev; uint64_t size; const struct ttm_resource_manager_func *func; spinlock_t move_lock; /* - * Protected by the global->lru_lock. + * Protected by @move_lock. */ + struct dma_fence *move; + /* + * Protected by the bdev->lru_lock. + */ struct list_head lru[TTM_MAX_BO_PRIORITY]; - /* - * Protected by @move_lock. + /** + * @usage: How much of the resources are used, protected by the + * bdev->lru_lock. */ - struct dma_fence *move; + uint64_t usage; }; /** @@ -160,6 +166,7 @@ struct ttm_bus_placement { * @mem_type: Resource type of the allocation. * @placement: Placement flags. * @bus: Placement on io bus accessible to the CPU + * @bo: weak reference to the BO, protected by ttm_device::lru_lock * * Structure indicating the placement and space resources used by a * buffer object. @@ -170,6 +177,7 @@ struct ttm_resource { uint32_t mem_type; uint32_t placement; struct ttm_bus_placement bus; + struct ttm_buffer_object *bo; }; /** @@ -207,7 +215,7 @@ struct ttm_kmap_iter_iomap { */ struct ttm_kmap_iter_linear_io { struct ttm_kmap_iter base; - struct dma_buf_map dmap; + struct iosys_map dmap; bool needs_unmap; }; @@ -261,19 +269,26 @@ ttm_resource_manager_cleanup(struct ttm_resource_manager *man) void ttm_resource_init(struct ttm_buffer_object *bo, const struct ttm_place *place, struct ttm_resource *res); +void ttm_resource_fini(struct ttm_resource_manager *man, + struct ttm_resource *res); + int ttm_resource_alloc(struct ttm_buffer_object *bo, const struct ttm_place *place, struct ttm_resource **res); void ttm_resource_free(struct ttm_buffer_object *bo, struct ttm_resource **res); bool ttm_resource_compat(struct ttm_resource *res, struct ttm_placement *placement); +void ttm_resource_set_bo(struct ttm_resource *res, + struct ttm_buffer_object *bo); void ttm_resource_manager_init(struct ttm_resource_manager *man, - unsigned long p_size); + struct ttm_device *bdev, + uint64_t size); int ttm_resource_manager_evict_all(struct ttm_device *bdev, struct ttm_resource_manager *man); +uint64_t ttm_resource_manager_usage(struct ttm_resource_manager *man); void ttm_resource_manager_debug(struct ttm_resource_manager *man, struct drm_printer *p); diff --git a/include/linux/dma-buf-map.h b/include/linux/dma-buf-map.h index 278d489e4bdd..19fa0b5ae5ec 100644 --- a/include/linux/dma-buf-map.h +++ b/include/linux/dma-buf-map.h @@ -52,13 +52,13 @@ * * struct dma_buf_map map = DMA_BUF_MAP_INIT_VADDR(0xdeadbeaf); * - * dma_buf_map_set_vaddr(&map. 0xdeadbeaf); + * dma_buf_map_set_vaddr(&map, 0xdeadbeaf); * * To set an address in I/O memory, use dma_buf_map_set_vaddr_iomem(). * * .. code-block:: c * - * dma_buf_map_set_vaddr_iomem(&map. 0xdeadbeaf); + * dma_buf_map_set_vaddr_iomem(&map, 0xdeadbeaf); * * Instances of struct dma_buf_map do not have to be cleaned up, but * can be cleared to NULL with dma_buf_map_clear(). Cleared mappings diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h index 7ab50076e7a6..2097760e8e95 100644 --- a/include/linux/dma-buf.h +++ b/include/linux/dma-buf.h @@ -13,7 +13,7 @@ #ifndef __DMA_BUF_H__ #define __DMA_BUF_H__ -#include <linux/dma-buf-map.h> +#include <linux/iosys-map.h> #include <linux/file.h> #include <linux/err.h> #include <linux/scatterlist.h> @@ -283,8 +283,8 @@ struct dma_buf_ops { */ int (*mmap)(struct dma_buf *, struct vm_area_struct *vma); - int (*vmap)(struct dma_buf *dmabuf, struct dma_buf_map *map); - void (*vunmap)(struct dma_buf *dmabuf, struct dma_buf_map *map); + int (*vmap)(struct dma_buf *dmabuf, struct iosys_map *map); + void (*vunmap)(struct dma_buf *dmabuf, struct iosys_map *map); }; /** @@ -347,7 +347,7 @@ struct dma_buf { * @vmap_ptr: * The current vmap ptr if @vmapping_counter > 0. Protected by @lock. */ - struct dma_buf_map vmap_ptr; + struct iosys_map vmap_ptr; /** * @exp_name: @@ -628,6 +628,6 @@ int dma_buf_end_cpu_access(struct dma_buf *dma_buf, int dma_buf_mmap(struct dma_buf *, struct vm_area_struct *, unsigned long); -int dma_buf_vmap(struct dma_buf *dmabuf, struct dma_buf_map *map); -void dma_buf_vunmap(struct dma_buf *dmabuf, struct dma_buf_map *map); +int dma_buf_vmap(struct dma_buf *dmabuf, struct iosys_map *map); +void dma_buf_vunmap(struct dma_buf *dmabuf, struct iosys_map *map); #endif /* __DMA_BUF_H__ */ diff --git a/include/linux/dma-fence-array.h b/include/linux/dma-fence-array.h index 303dd712220f..fec374f69e12 100644 --- a/include/linux/dma-fence-array.h +++ b/include/linux/dma-fence-array.h @@ -45,19 +45,6 @@ struct dma_fence_array { struct irq_work work; }; -extern const struct dma_fence_ops dma_fence_array_ops; - -/** - * dma_fence_is_array - check if a fence is from the array subsclass - * @fence: fence to test - * - * Return true if it is a dma_fence_array and false otherwise. - */ -static inline bool dma_fence_is_array(struct dma_fence *fence) -{ - return fence->ops == &dma_fence_array_ops; -} - /** * to_dma_fence_array - cast a fence to a dma_fence_array * @fence: fence to cast to a dma_fence_array @@ -68,7 +55,7 @@ static inline bool dma_fence_is_array(struct dma_fence *fence) static inline struct dma_fence_array * to_dma_fence_array(struct dma_fence *fence) { - if (fence->ops != &dma_fence_array_ops) + if (!fence || !dma_fence_is_array(fence)) return NULL; return container_of(fence, struct dma_fence_array, base); diff --git a/include/linux/dma-fence-chain.h b/include/linux/dma-fence-chain.h index 54fe3443fd2c..10d51bcdf7b7 100644 --- a/include/linux/dma-fence-chain.h +++ b/include/linux/dma-fence-chain.h @@ -49,7 +49,6 @@ struct dma_fence_chain { spinlock_t lock; }; -extern const struct dma_fence_ops dma_fence_chain_ops; /** * to_dma_fence_chain - cast a fence to a dma_fence_chain @@ -61,13 +60,28 @@ extern const struct dma_fence_ops dma_fence_chain_ops; static inline struct dma_fence_chain * to_dma_fence_chain(struct dma_fence *fence) { - if (!fence || fence->ops != &dma_fence_chain_ops) + if (!fence || !dma_fence_is_chain(fence)) return NULL; return container_of(fence, struct dma_fence_chain, base); } /** + * dma_fence_chain_contained - return the contained fence + * @fence: the fence to test + * + * If the fence is a dma_fence_chain the function returns the fence contained + * inside the chain object, otherwise it returns the fence itself. + */ +static inline struct dma_fence * +dma_fence_chain_contained(struct dma_fence *fence) +{ + struct dma_fence_chain *chain = to_dma_fence_chain(fence); + + return chain ? chain->fence : fence; +} + +/** * dma_fence_chain_alloc * * Returns a new struct dma_fence_chain object or NULL on failure. diff --git a/include/linux/dma-fence.h b/include/linux/dma-fence.h index 1ea691753bd3..775cdc0b4f24 100644 --- a/include/linux/dma-fence.h +++ b/include/linux/dma-fence.h @@ -587,4 +587,42 @@ struct dma_fence *dma_fence_get_stub(void); struct dma_fence *dma_fence_allocate_private_stub(void); u64 dma_fence_context_alloc(unsigned num); +extern const struct dma_fence_ops dma_fence_array_ops; +extern const struct dma_fence_ops dma_fence_chain_ops; + +/** + * dma_fence_is_array - check if a fence is from the array subclass + * @fence: the fence to test + * + * Return true if it is a dma_fence_array and false otherwise. + */ +static inline bool dma_fence_is_array(struct dma_fence *fence) +{ + return fence->ops == &dma_fence_array_ops; +} + +/** + * dma_fence_is_chain - check if a fence is from the chain subclass + * @fence: the fence to test + * + * Return true if it is a dma_fence_chain and false otherwise. + */ +static inline bool dma_fence_is_chain(struct dma_fence *fence) +{ + return fence->ops == &dma_fence_chain_ops; +} + +/** + * dma_fence_is_container - check if a fence is a container for other fences + * @fence: the fence to test + * + * Return true if this fence is a container for other fences, false otherwise. + * This is important since we can't build up large fence structure or otherwise + * we run into recursion during operation on those fences. + */ +static inline bool dma_fence_is_container(struct dma_fence *fence) +{ + return dma_fence_is_array(fence) || dma_fence_is_chain(fence); +} + #endif /* __LINUX_DMA_FENCE_H */ diff --git a/include/linux/dma-resv.h b/include/linux/dma-resv.h index eebf04325b34..afdfdfac729f 100644 --- a/include/linux/dma-resv.h +++ b/include/linux/dma-resv.h @@ -153,6 +153,13 @@ struct dma_resv { * struct dma_resv_iter - current position into the dma_resv fences * * Don't touch this directly in the driver, use the accessor function instead. + * + * IMPORTANT + * + * When using the lockless iterators like dma_resv_iter_next_unlocked() or + * dma_resv_for_each_fence_unlocked() beware that the iterator can be restarted. + * Code which accumulates statistics or similar needs to check for this with + * dma_resv_iter_is_restarted(). */ struct dma_resv_iter { /** @obj: The dma_resv object we iterate over */ @@ -243,7 +250,11 @@ static inline bool dma_resv_iter_is_restarted(struct dma_resv_iter *cursor) * &dma_resv.lock and using RCU instead. The cursor needs to be initialized * with dma_resv_iter_begin() and cleaned up with dma_resv_iter_end(). Inside * the iterator a reference to the dma_fence is held and the RCU lock dropped. - * When the dma_resv is modified the iteration starts over again. + * + * Beware that the iterator can be restarted when the struct dma_resv for + * @cursor is modified. Code which accumulates statistics or similar needs to + * check for this with dma_resv_iter_is_restarted(). For this reason prefer the + * lock iterator dma_resv_for_each_fence() whenever possible. */ #define dma_resv_for_each_fence_unlocked(cursor, fence) \ for (fence = dma_resv_iter_first_unlocked(cursor); \ @@ -458,8 +469,8 @@ void dma_resv_fini(struct dma_resv *obj); int dma_resv_reserve_shared(struct dma_resv *obj, unsigned int num_fences); void dma_resv_add_shared_fence(struct dma_resv *obj, struct dma_fence *fence); void dma_resv_add_excl_fence(struct dma_resv *obj, struct dma_fence *fence); -int dma_resv_get_fences(struct dma_resv *obj, struct dma_fence **pfence_excl, - unsigned *pshared_count, struct dma_fence ***pshared); +int dma_resv_get_fences(struct dma_resv *obj, bool write, + unsigned int *num_fences, struct dma_fence ***fences); int dma_resv_copy_fences(struct dma_resv *dst, struct dma_resv *src); long dma_resv_wait_timeout(struct dma_resv *obj, bool wait_all, bool intr, unsigned long timeout); diff --git a/include/linux/fb.h b/include/linux/fb.h index 02f362c661c8..9a77ab615c36 100644 --- a/include/linux/fb.h +++ b/include/linux/fb.h @@ -204,6 +204,7 @@ struct fb_pixmap { struct fb_deferred_io { /* delay between mkwrite and deferred handler */ unsigned long delay; + bool sort_pagelist; /* sort pagelist by offset */ struct mutex lock; /* mutex that protects the page list */ struct list_head pagelist; /* list of touched pages */ /* callback */ @@ -502,6 +503,7 @@ struct fb_info { } *apertures; bool skip_vt_switch; /* no VT switch on suspend/resume required */ + bool forced_out; /* set when being removed by another driver */ }; static inline struct apertures_struct *alloc_apertures(unsigned int max_num) { diff --git a/include/linux/iosys-map.h b/include/linux/iosys-map.h new file mode 100644 index 000000000000..e69a002d5aa4 --- /dev/null +++ b/include/linux/iosys-map.h @@ -0,0 +1,459 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Pointer abstraction for IO/system memory + */ + +#ifndef __IOSYS_MAP_H__ +#define __IOSYS_MAP_H__ + +#include <linux/io.h> +#include <linux/string.h> + +/** + * DOC: overview + * + * When accessing a memory region, depending on its location, users may have to + * access it with I/O operations or memory load/store operations. For example, + * copying to system memory could be done with memcpy(), copying to I/O memory + * would be done with memcpy_toio(). + * + * .. code-block:: c + * + * void *vaddr = ...; // pointer to system memory + * memcpy(vaddr, src, len); + * + * void *vaddr_iomem = ...; // pointer to I/O memory + * memcpy_toio(vaddr, _iomem, src, len); + * + * The user of such pointer may not have information about the mapping of that + * region or may want to have a single code path to handle operations on that + * buffer, regardless if it's located in system or IO memory. The type + * :c:type:`struct iosys_map <iosys_map>` and its helpers abstract that so the + * buffer can be passed around to other drivers or have separate duties inside + * the same driver for allocation, read and write operations. + * + * Open-coding access to :c:type:`struct iosys_map <iosys_map>` is considered + * bad style. Rather then accessing its fields directly, use one of the provided + * helper functions, or implement your own. For example, instances of + * :c:type:`struct iosys_map <iosys_map>` can be initialized statically with + * IOSYS_MAP_INIT_VADDR(), or at runtime with iosys_map_set_vaddr(). These + * helpers will set an address in system memory. + * + * .. code-block:: c + * + * struct iosys_map map = IOSYS_MAP_INIT_VADDR(0xdeadbeaf); + * + * iosys_map_set_vaddr(&map, 0xdeadbeaf); + * + * To set an address in I/O memory, use iosys_map_set_vaddr_iomem(). + * + * .. code-block:: c + * + * iosys_map_set_vaddr_iomem(&map, 0xdeadbeaf); + * + * Instances of struct iosys_map do not have to be cleaned up, but + * can be cleared to NULL with iosys_map_clear(). Cleared mappings + * always refer to system memory. + * + * .. code-block:: c + * + * iosys_map_clear(&map); + * + * Test if a mapping is valid with either iosys_map_is_set() or + * iosys_map_is_null(). + * + * .. code-block:: c + * + * if (iosys_map_is_set(&map) != iosys_map_is_null(&map)) + * // always true + * + * Instances of :c:type:`struct iosys_map <iosys_map>` can be compared for + * equality with iosys_map_is_equal(). Mappings that point to different memory + * spaces, system or I/O, are never equal. That's even true if both spaces are + * located in the same address space, both mappings contain the same address + * value, or both mappings refer to NULL. + * + * .. code-block:: c + * + * struct iosys_map sys_map; // refers to system memory + * struct iosys_map io_map; // refers to I/O memory + * + * if (iosys_map_is_equal(&sys_map, &io_map)) + * // always false + * + * A set up instance of struct iosys_map can be used to access or manipulate the + * buffer memory. Depending on the location of the memory, the provided helpers + * will pick the correct operations. Data can be copied into the memory with + * iosys_map_memcpy_to(). The address can be manipulated with iosys_map_incr(). + * + * .. code-block:: c + * + * const void *src = ...; // source buffer + * size_t len = ...; // length of src + * + * iosys_map_memcpy_to(&map, src, len); + * iosys_map_incr(&map, len); // go to first byte after the memcpy + */ + +/** + * struct iosys_map - Pointer to IO/system memory + * @vaddr_iomem: The buffer's address if in I/O memory + * @vaddr: The buffer's address if in system memory + * @is_iomem: True if the buffer is located in I/O memory, or false + * otherwise. + */ +struct iosys_map { + union { + void __iomem *vaddr_iomem; + void *vaddr; + }; + bool is_iomem; +}; + +/** + * IOSYS_MAP_INIT_VADDR - Initializes struct iosys_map to an address in system memory + * @vaddr_: A system-memory address + */ +#define IOSYS_MAP_INIT_VADDR(vaddr_) \ + { \ + .vaddr = (vaddr_), \ + .is_iomem = false, \ + } + +/** + * IOSYS_MAP_INIT_OFFSET - Initializes struct iosys_map from another iosys_map + * @map_: The dma-buf mapping structure to copy from + * @offset_: Offset to add to the other mapping + * + * Initializes a new iosys_map struct based on another passed as argument. It + * does a shallow copy of the struct so it's possible to update the back storage + * without changing where the original map points to. It is the equivalent of + * doing: + * + * .. code-block:: c + * + * iosys_map map = other_map; + * iosys_map_incr(&map, &offset); + * + * Example usage: + * + * .. code-block:: c + * + * void foo(struct device *dev, struct iosys_map *base_map) + * { + * ... + * struct iosys_map map = IOSYS_MAP_INIT_OFFSET(base_map, FIELD_OFFSET); + * ... + * } + * + * The advantage of using the initializer over just increasing the offset with + * iosys_map_incr() like above is that the new map will always point to the + * right place of the buffer during its scope. It reduces the risk of updating + * the wrong part of the buffer and having no compiler warning about that. If + * the assignment to IOSYS_MAP_INIT_OFFSET() is forgotten, the compiler can warn + * about the use of uninitialized variable. + */ +#define IOSYS_MAP_INIT_OFFSET(map_, offset_) ({ \ + struct iosys_map copy = *map_; \ + iosys_map_incr(©, offset_); \ + copy; \ +}) + +/** + * iosys_map_set_vaddr - Sets a iosys mapping structure to an address in system memory + * @map: The iosys_map structure + * @vaddr: A system-memory address + * + * Sets the address and clears the I/O-memory flag. + */ +static inline void iosys_map_set_vaddr(struct iosys_map *map, void *vaddr) +{ + map->vaddr = vaddr; + map->is_iomem = false; +} + +/** + * iosys_map_set_vaddr_iomem - Sets a iosys mapping structure to an address in I/O memory + * @map: The iosys_map structure + * @vaddr_iomem: An I/O-memory address + * + * Sets the address and the I/O-memory flag. + */ +static inline void iosys_map_set_vaddr_iomem(struct iosys_map *map, + void __iomem *vaddr_iomem) +{ + map->vaddr_iomem = vaddr_iomem; + map->is_iomem = true; +} + +/** + * iosys_map_is_equal - Compares two iosys mapping structures for equality + * @lhs: The iosys_map structure + * @rhs: A iosys_map structure to compare with + * + * Two iosys mapping structures are equal if they both refer to the same type of memory + * and to the same address within that memory. + * + * Returns: + * True is both structures are equal, or false otherwise. + */ +static inline bool iosys_map_is_equal(const struct iosys_map *lhs, + const struct iosys_map *rhs) +{ + if (lhs->is_iomem != rhs->is_iomem) + return false; + else if (lhs->is_iomem) + return lhs->vaddr_iomem == rhs->vaddr_iomem; + else + return lhs->vaddr == rhs->vaddr; +} + +/** + * iosys_map_is_null - Tests for a iosys mapping to be NULL + * @map: The iosys_map structure + * + * Depending on the state of struct iosys_map.is_iomem, tests if the + * mapping is NULL. + * + * Returns: + * True if the mapping is NULL, or false otherwise. + */ +static inline bool iosys_map_is_null(const struct iosys_map *map) +{ + if (map->is_iomem) + return !map->vaddr_iomem; + return !map->vaddr; +} + +/** + * iosys_map_is_set - Tests if the iosys mapping has been set + * @map: The iosys_map structure + * + * Depending on the state of struct iosys_map.is_iomem, tests if the + * mapping has been set. + * + * Returns: + * True if the mapping is been set, or false otherwise. + */ +static inline bool iosys_map_is_set(const struct iosys_map *map) +{ + return !iosys_map_is_null(map); +} + +/** + * iosys_map_clear - Clears a iosys mapping structure + * @map: The iosys_map structure + * + * Clears all fields to zero, including struct iosys_map.is_iomem, so + * mapping structures that were set to point to I/O memory are reset for + * system memory. Pointers are cleared to NULL. This is the default. + */ +static inline void iosys_map_clear(struct iosys_map *map) +{ + if (map->is_iomem) { + map->vaddr_iomem = NULL; + map->is_iomem = false; + } else { + map->vaddr = NULL; + } +} + +/** + * iosys_map_memcpy_to - Memcpy into offset of iosys_map + * @dst: The iosys_map structure + * @dst_offset: The offset from which to copy + * @src: The source buffer + * @len: The number of byte in src + * + * Copies data into a iosys_map with an offset. The source buffer is in + * system memory. Depending on the buffer's location, the helper picks the + * correct method of accessing the memory. + */ +static inline void iosys_map_memcpy_to(struct iosys_map *dst, size_t dst_offset, + const void *src, size_t len) +{ + if (dst->is_iomem) + memcpy_toio(dst->vaddr_iomem + dst_offset, src, len); + else + memcpy(dst->vaddr + dst_offset, src, len); +} + +/** + * iosys_map_memcpy_from - Memcpy from iosys_map into system memory + * @dst: Destination in system memory + * @src: The iosys_map structure + * @src_offset: The offset from which to copy + * @len: The number of byte in src + * + * Copies data from a iosys_map with an offset. The dest buffer is in + * system memory. Depending on the mapping location, the helper picks the + * correct method of accessing the memory. + */ +static inline void iosys_map_memcpy_from(void *dst, const struct iosys_map *src, + size_t src_offset, size_t len) +{ + if (src->is_iomem) + memcpy_fromio(dst, src->vaddr_iomem + src_offset, len); + else + memcpy(dst, src->vaddr + src_offset, len); +} + +/** + * iosys_map_incr - Increments the address stored in a iosys mapping + * @map: The iosys_map structure + * @incr: The number of bytes to increment + * + * Increments the address stored in a iosys mapping. Depending on the + * buffer's location, the correct value will be updated. + */ +static inline void iosys_map_incr(struct iosys_map *map, size_t incr) +{ + if (map->is_iomem) + map->vaddr_iomem += incr; + else + map->vaddr += incr; +} + +/** + * iosys_map_memset - Memset iosys_map + * @dst: The iosys_map structure + * @offset: Offset from dst where to start setting value + * @value: The value to set + * @len: The number of bytes to set in dst + * + * Set value in iosys_map. Depending on the buffer's location, the helper + * picks the correct method of accessing the memory. + */ +static inline void iosys_map_memset(struct iosys_map *dst, size_t offset, + int value, size_t len) +{ + if (dst->is_iomem) + memset_io(dst->vaddr_iomem + offset, value, len); + else + memset(dst->vaddr + offset, value, len); +} + +/** + * iosys_map_rd - Read a C-type value from the iosys_map + * + * @map__: The iosys_map structure + * @offset__: The offset from which to read + * @type__: Type of the value being read + * + * Read a C type value from iosys_map, handling possible un-aligned accesses to + * the mapping. + * + * Returns: + * The value read from the mapping. + */ +#define iosys_map_rd(map__, offset__, type__) ({ \ + type__ val; \ + iosys_map_memcpy_from(&val, map__, offset__, sizeof(val)); \ + val; \ +}) + +/** + * iosys_map_wr - Write a C-type value to the iosys_map + * + * @map__: The iosys_map structure + * @offset__: The offset from the mapping to write to + * @type__: Type of the value being written + * @val__: Value to write + * + * Write a C-type value to the iosys_map, handling possible un-aligned accesses + * to the mapping. + */ +#define iosys_map_wr(map__, offset__, type__, val__) ({ \ + type__ val = (val__); \ + iosys_map_memcpy_to(map__, offset__, &val, sizeof(val)); \ +}) + +/** + * iosys_map_rd_field - Read a member from a struct in the iosys_map + * + * @map__: The iosys_map structure + * @struct_offset__: Offset from the beggining of the map, where the struct + * is located + * @struct_type__: The struct describing the layout of the mapping + * @field__: Member of the struct to read + * + * Read a value from iosys_map considering its layout is described by a C struct + * starting at @struct_offset__. The field offset and size is calculated and its + * value read handling possible un-aligned memory accesses. For example: suppose + * there is a @struct foo defined as below and the value ``foo.field2.inner2`` + * needs to be read from the iosys_map: + * + * .. code-block:: c + * + * struct foo { + * int field1; + * struct { + * int inner1; + * int inner2; + * } field2; + * int field3; + * } __packed; + * + * This is the expected memory layout of a buffer using iosys_map_rd_field(): + * + * +------------------------------+--------------------------+ + * | Address | Content | + * +==============================+==========================+ + * | buffer + 0000 | start of mmapped buffer | + * | | pointed by iosys_map | + * +------------------------------+--------------------------+ + * | ... | ... | + * +------------------------------+--------------------------+ + * | buffer + ``struct_offset__`` | start of ``struct foo`` | + * +------------------------------+--------------------------+ + * | ... | ... | + * +------------------------------+--------------------------+ + * | buffer + wwww | ``foo.field2.inner2`` | + * +------------------------------+--------------------------+ + * | ... | ... | + * +------------------------------+--------------------------+ + * | buffer + yyyy | end of ``struct foo`` | + * +------------------------------+--------------------------+ + * | ... | ... | + * +------------------------------+--------------------------+ + * | buffer + zzzz | end of mmaped buffer | + * +------------------------------+--------------------------+ + * + * Values automatically calculated by this macro or not needed are denoted by + * wwww, yyyy and zzzz. This is the code to read that value: + * + * .. code-block:: c + * + * x = iosys_map_rd_field(&map, offset, struct foo, field2.inner2); + * + * Returns: + * The value read from the mapping. + */ +#define iosys_map_rd_field(map__, struct_offset__, struct_type__, field__) ({ \ + struct_type__ *s; \ + iosys_map_rd(map__, struct_offset__ + offsetof(struct_type__, field__), \ + typeof(s->field__)); \ +}) + +/** + * iosys_map_wr_field - Write to a member of a struct in the iosys_map + * + * @map__: The iosys_map structure + * @struct_offset__: Offset from the beggining of the map, where the struct + * is located + * @struct_type__: The struct describing the layout of the mapping + * @field__: Member of the struct to read + * @val__: Value to write + * + * Write a value to the iosys_map considering its layout is described by a C struct + * starting at @struct_offset__. The field offset and size is calculated and the + * @val__ is written handling possible un-aligned memory accesses. Refer to + * iosys_map_rd_field() for expected usage and memory layout. + */ +#define iosys_map_wr_field(map__, struct_offset__, struct_type__, field__, val__) ({ \ + struct_type__ *s; \ + iosys_map_wr(map__, struct_offset__ + offsetof(struct_type__, field__), \ + typeof(s->field__), val__); \ +}) + +#endif /* __IOSYS_MAP_H__ */ diff --git a/include/linux/rwsem.h b/include/linux/rwsem.h index f9348769e558..efa5c324369a 100644 --- a/include/linux/rwsem.h +++ b/include/linux/rwsem.h @@ -230,7 +230,7 @@ extern void _down_write_nest_lock(struct rw_semaphore *sem, struct lockdep_map * do { \ typecheck(struct lockdep_map *, &(nest_lock)->dep_map); \ _down_write_nest_lock(sem, &(nest_lock)->dep_map); \ -} while (0); +} while (0) /* * Take/release a lock when not the owner will release it. diff --git a/include/linux/string_helpers.h b/include/linux/string_helpers.h index 7a22921c9db7..4d72258d42fd 100644 --- a/include/linux/string_helpers.h +++ b/include/linux/string_helpers.h @@ -106,4 +106,24 @@ void kfree_strarray(char **array, size_t n); char **devm_kasprintf_strarray(struct device *dev, const char *prefix, size_t n); +static inline const char *str_yes_no(bool v) +{ + return v ? "yes" : "no"; +} + +static inline const char *str_on_off(bool v) +{ + return v ? "on" : "off"; +} + +static inline const char *str_enable_disable(bool v) +{ + return v ? "enable" : "disable"; +} + +static inline const char *str_enabled_disabled(bool v) +{ + return v ? "enabled" : "disabled"; +} + #endif diff --git a/include/soc/bcm2835/raspberrypi-firmware.h b/include/soc/bcm2835/raspberrypi-firmware.h index 73ad784fca96..811ea668c4a1 100644 --- a/include/soc/bcm2835/raspberrypi-firmware.h +++ b/include/soc/bcm2835/raspberrypi-firmware.h @@ -91,6 +91,7 @@ enum rpi_firmware_property_tag { RPI_FIRMWARE_GET_POE_HAT_VAL = 0x00030049, RPI_FIRMWARE_SET_POE_HAT_VAL = 0x00030050, RPI_FIRMWARE_NOTIFY_XHCI_RESET = 0x00030058, + RPI_FIRMWARE_NOTIFY_DISPLAY_DONE = 0x00030066, /* Dispmanx TAGS */ RPI_FIRMWARE_FRAMEBUFFER_ALLOCATE = 0x00040001, diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h index 0b94ec7b73e7..1d65c1fbc4ec 100644 --- a/include/uapi/drm/amdgpu_drm.h +++ b/include/uapi/drm/amdgpu_drm.h @@ -206,6 +206,8 @@ union drm_amdgpu_bo_list { #define AMDGPU_CTX_OP_FREE_CTX 2 #define AMDGPU_CTX_OP_QUERY_STATE 3 #define AMDGPU_CTX_OP_QUERY_STATE2 4 +#define AMDGPU_CTX_OP_GET_STABLE_PSTATE 5 +#define AMDGPU_CTX_OP_SET_STABLE_PSTATE 6 /* GPU reset status */ #define AMDGPU_CTX_NO_RESET 0 @@ -238,10 +240,18 @@ union drm_amdgpu_bo_list { #define AMDGPU_CTX_PRIORITY_HIGH 512 #define AMDGPU_CTX_PRIORITY_VERY_HIGH 1023 +/* select a stable profiling pstate for perfmon tools */ +#define AMDGPU_CTX_STABLE_PSTATE_FLAGS_MASK 0xf +#define AMDGPU_CTX_STABLE_PSTATE_NONE 0 +#define AMDGPU_CTX_STABLE_PSTATE_STANDARD 1 +#define AMDGPU_CTX_STABLE_PSTATE_MIN_SCLK 2 +#define AMDGPU_CTX_STABLE_PSTATE_MIN_MCLK 3 +#define AMDGPU_CTX_STABLE_PSTATE_PEAK 4 + struct drm_amdgpu_ctx_in { /** AMDGPU_CTX_OP_* */ __u32 op; - /** For future use, no flags defined so far */ + /** Flags */ __u32 flags; __u32 ctx_id; /** AMDGPU_CTX_PRIORITY_* */ @@ -262,6 +272,11 @@ union drm_amdgpu_ctx_out { /** Reset status since the last call of the ioctl. */ __u32 reset_status; } state; + + struct { + __u32 flags; + __u32 _pad; + } pstate; }; union drm_amdgpu_ctx { @@ -728,6 +743,8 @@ struct drm_amdgpu_cs_chunk_data { #define AMDGPU_INFO_FW_DMCUB 0x14 /* Subquery id: Query TOC firmware version */ #define AMDGPU_INFO_FW_TOC 0x15 + /* Subquery id: Query CAP firmware version */ + #define AMDGPU_INFO_FW_CAP 0x16 /* number of bytes moved for TTM migration */ #define AMDGPU_INFO_NUM_BYTES_MOVED 0x0f @@ -1134,6 +1151,8 @@ struct drm_amdgpu_info_video_caps { #define AMDGPU_FAMILY_NV 143 /* Navi10 */ #define AMDGPU_FAMILY_VGH 144 /* Van Gogh */ #define AMDGPU_FAMILY_YC 146 /* Yellow Carp */ +#define AMDGPU_FAMILY_GC_10_3_6 149 /* GC 10.3.6 */ +#define AMDGPU_FAMILY_GC_10_3_7 151 /* GC 10.3.7 */ #if defined(__cplusplus) } diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h index e1e351682872..0a0d56a6158e 100644 --- a/include/uapi/drm/drm_mode.h +++ b/include/uapi/drm/drm_mode.h @@ -663,41 +663,73 @@ struct drm_mode_fb_cmd { #define DRM_MODE_FB_INTERLACED (1<<0) /* for interlaced framebuffers */ #define DRM_MODE_FB_MODIFIERS (1<<1) /* enables ->modifer[] */ +/** + * struct drm_mode_fb_cmd2 - Frame-buffer metadata. + * + * This struct holds frame-buffer metadata. There are two ways to use it: + * + * - User-space can fill this struct and perform a &DRM_IOCTL_MODE_ADDFB2 + * ioctl to register a new frame-buffer. The new frame-buffer object ID will + * be set by the kernel in @fb_id. + * - User-space can set @fb_id and perform a &DRM_IOCTL_MODE_GETFB2 ioctl to + * fetch metadata about an existing frame-buffer. + * + * In case of planar formats, this struct allows up to 4 buffer objects with + * offsets and pitches per plane. The pitch and offset order is dictated by the + * format FourCC as defined by ``drm_fourcc.h``, e.g. NV12 is described as: + * + * YUV 4:2:0 image with a plane of 8 bit Y samples followed by an + * interleaved U/V plane containing 8 bit 2x2 subsampled colour difference + * samples. + * + * So it would consist of a Y plane at ``offsets[0]`` and a UV plane at + * ``offsets[1]``. + * + * To accommodate tiled, compressed, etc formats, a modifier can be specified. + * For more information see the "Format Modifiers" section. Note that even + * though it looks like we have a modifier per-plane, we in fact do not. The + * modifier for each plane must be identical. Thus all combinations of + * different data layouts for multi-plane formats must be enumerated as + * separate modifiers. + * + * All of the entries in @handles, @pitches, @offsets and @modifier must be + * zero when unused. Warning, for @offsets and @modifier zero can't be used to + * figure out whether the entry is used or not since it's a valid value (a zero + * offset is common, and a zero modifier is &DRM_FORMAT_MOD_LINEAR). + */ struct drm_mode_fb_cmd2 { + /** @fb_id: Object ID of the frame-buffer. */ __u32 fb_id; + /** @width: Width of the frame-buffer. */ __u32 width; + /** @height: Height of the frame-buffer. */ __u32 height; - __u32 pixel_format; /* fourcc code from drm_fourcc.h */ - __u32 flags; /* see above flags */ + /** + * @pixel_format: FourCC format code, see ``DRM_FORMAT_*`` constants in + * ``drm_fourcc.h``. + */ + __u32 pixel_format; + /** + * @flags: Frame-buffer flags (see &DRM_MODE_FB_INTERLACED and + * &DRM_MODE_FB_MODIFIERS). + */ + __u32 flags; - /* - * In case of planar formats, this ioctl allows up to 4 - * buffer objects with offsets and pitches per plane. - * The pitch and offset order is dictated by the fourcc, - * e.g. NV12 (https://fourcc.org/yuv.php#NV12) is described as: - * - * YUV 4:2:0 image with a plane of 8 bit Y samples - * followed by an interleaved U/V plane containing - * 8 bit 2x2 subsampled colour difference samples. - * - * So it would consist of Y as offsets[0] and UV as - * offsets[1]. Note that offsets[0] will generally - * be 0 (but this is not required). - * - * To accommodate tiled, compressed, etc formats, a - * modifier can be specified. The default value of zero - * indicates "native" format as specified by the fourcc. - * Vendor specific modifier token. Note that even though - * it looks like we have a modifier per-plane, we in fact - * do not. The modifier for each plane must be identical. - * Thus all combinations of different data layouts for - * multi plane formats must be enumerated as separate - * modifiers. + /** + * @handles: GEM buffer handle, one per plane. Set to 0 if the plane is + * unused. The same handle can be used for multiple planes. */ __u32 handles[4]; - __u32 pitches[4]; /* pitch for each plane */ - __u32 offsets[4]; /* offset of each plane */ - __u64 modifier[4]; /* ie, tiling, compress */ + /** @pitches: Pitch (aka. stride) in bytes, one per plane. */ + __u32 pitches[4]; + /** @offsets: Offset into the buffer in bytes, one per plane. */ + __u32 offsets[4]; + /** + * @modifier: Format modifier, one per plane. See ``DRM_FORMAT_MOD_*`` + * constants in ``drm_fourcc.h``. All planes must use the same + * modifier. Ignored unless &DRM_MODE_FB_MODIFIERS is set in @flags. + */ + __u64 modifier[4]; }; #define DRM_MODE_FB_DIRTY_ANNOTATE_COPY 0x01 diff --git a/include/uapi/drm/i915_drm.h b/include/uapi/drm/i915_drm.h index 914ebd9290e5..05c3642aaece 100644 --- a/include/uapi/drm/i915_drm.h +++ b/include/uapi/drm/i915_drm.h @@ -1118,10 +1118,16 @@ struct drm_i915_gem_exec_object2 { /** * When the EXEC_OBJECT_PINNED flag is specified this is populated by * the user with the GTT offset at which this object will be pinned. + * * When the I915_EXEC_NO_RELOC flag is specified this must contain the * presumed_offset of the object. + * * During execbuffer2 the kernel populates it with the value of the * current GTT offset of the object, for future presumed_offset writes. + * + * See struct drm_i915_gem_create_ext for the rules when dealing with + * alignment restrictions with I915_MEMORY_CLASS_DEVICE, on devices with + * minimum page sizes, like DG2. */ __u64 offset; @@ -3144,11 +3150,40 @@ struct drm_i915_gem_create_ext { * * The (page-aligned) allocated size for the object will be returned. * - * Note that for some devices we have might have further minimum - * page-size restrictions(larger than 4K), like for device local-memory. - * However in general the final size here should always reflect any - * rounding up, if for example using the I915_GEM_CREATE_EXT_MEMORY_REGIONS - * extension to place the object in device local-memory. + * + * DG2 64K min page size implications: + * + * On discrete platforms, starting from DG2, we have to contend with GTT + * page size restrictions when dealing with I915_MEMORY_CLASS_DEVICE + * objects. Specifically the hardware only supports 64K or larger GTT + * page sizes for such memory. The kernel will already ensure that all + * I915_MEMORY_CLASS_DEVICE memory is allocated using 64K or larger page + * sizes underneath. + * + * Note that the returned size here will always reflect any required + * rounding up done by the kernel, i.e 4K will now become 64K on devices + * such as DG2. + * + * Special DG2 GTT address alignment requirement: + * + * The GTT alignment will also need to be at least 2M for such objects. + * + * Note that due to how the hardware implements 64K GTT page support, we + * have some further complications: + * + * 1) The entire PDE (which covers a 2MB virtual address range), must + * contain only 64K PTEs, i.e mixing 4K and 64K PTEs in the same + * PDE is forbidden by the hardware. + * + * 2) We still need to support 4K PTEs for I915_MEMORY_CLASS_SYSTEM + * objects. + * + * To keep things simple for userland, we mandate that any GTT mappings + * must be aligned to and rounded up to 2MB. The kernel will internally + * pad them out to the next 2MB boundary. As this only wastes virtual + * address space and avoids userland having to copy any needlessly + * complicated PDE sharing scheme (coloring) and only affects DG2, this + * is deemed to be a good compromise. */ __u64 size; /** diff --git a/include/uapi/drm/msm_drm.h b/include/uapi/drm/msm_drm.h index 6b8fffc28a50..07efc8033492 100644 --- a/include/uapi/drm/msm_drm.h +++ b/include/uapi/drm/msm_drm.h @@ -67,16 +67,21 @@ struct drm_msm_timespec { __s64 tv_nsec; /* nanoseconds */ }; -#define MSM_PARAM_GPU_ID 0x01 -#define MSM_PARAM_GMEM_SIZE 0x02 -#define MSM_PARAM_CHIP_ID 0x03 -#define MSM_PARAM_MAX_FREQ 0x04 -#define MSM_PARAM_TIMESTAMP 0x05 -#define MSM_PARAM_GMEM_BASE 0x06 -#define MSM_PARAM_PRIORITIES 0x07 /* The # of priority levels */ -#define MSM_PARAM_PP_PGTABLE 0x08 /* => 1 for per-process pagetables, else 0 */ -#define MSM_PARAM_FAULTS 0x09 -#define MSM_PARAM_SUSPENDS 0x0a +/* Below "RO" indicates a read-only param, "WO" indicates write-only, and + * "RW" indicates a param that can be both read (GET_PARAM) and written + * (SET_PARAM) + */ +#define MSM_PARAM_GPU_ID 0x01 /* RO */ +#define MSM_PARAM_GMEM_SIZE 0x02 /* RO */ +#define MSM_PARAM_CHIP_ID 0x03 /* RO */ +#define MSM_PARAM_MAX_FREQ 0x04 /* RO */ +#define MSM_PARAM_TIMESTAMP 0x05 /* RO */ +#define MSM_PARAM_GMEM_BASE 0x06 /* RO */ +#define MSM_PARAM_PRIORITIES 0x07 /* RO: The # of priority levels */ +#define MSM_PARAM_PP_PGTABLE 0x08 /* RO: Deprecated, always returns zero */ +#define MSM_PARAM_FAULTS 0x09 /* RO */ +#define MSM_PARAM_SUSPENDS 0x0a /* RO */ +#define MSM_PARAM_SYSPROF 0x0b /* WO: 1 preserves perfcntrs, 2 also disables suspend */ /* For backwards compat. The original support for preemption was based on * a single ring per priority level so # of priority levels equals the # @@ -227,6 +232,7 @@ struct drm_msm_gem_submit_bo { #define MSM_SUBMIT_SUDO 0x10000000 /* run submitted cmds from RB */ #define MSM_SUBMIT_SYNCOBJ_IN 0x08000000 /* enable input syncobj */ #define MSM_SUBMIT_SYNCOBJ_OUT 0x04000000 /* enable output syncobj */ +#define MSM_SUBMIT_FENCE_SN_IN 0x02000000 /* userspace passes in seqno fence */ #define MSM_SUBMIT_FLAGS ( \ MSM_SUBMIT_NO_IMPLICIT | \ MSM_SUBMIT_FENCE_FD_IN | \ @@ -234,6 +240,7 @@ struct drm_msm_gem_submit_bo { MSM_SUBMIT_SUDO | \ MSM_SUBMIT_SYNCOBJ_IN | \ MSM_SUBMIT_SYNCOBJ_OUT | \ + MSM_SUBMIT_FENCE_SN_IN | \ 0) #define MSM_SUBMIT_SYNCOBJ_RESET 0x00000001 /* Reset syncobj after wait. */ @@ -253,7 +260,7 @@ struct drm_msm_gem_submit_syncobj { */ struct drm_msm_gem_submit { __u32 flags; /* MSM_PIPE_x | MSM_SUBMIT_x */ - __u32 fence; /* out */ + __u32 fence; /* out (or in with MSM_SUBMIT_FENCE_SN_IN flag) */ __u32 nr_bos; /* in, number of submit_bo's */ __u32 nr_cmds; /* in, number of submit_cmd's */ __u64 bos; /* in, ptr to array of submit_bo's */ @@ -333,9 +340,7 @@ struct drm_msm_submitqueue_query { }; #define DRM_MSM_GET_PARAM 0x00 -/* placeholder: #define DRM_MSM_SET_PARAM 0x01 - */ #define DRM_MSM_GEM_NEW 0x02 #define DRM_MSM_GEM_INFO 0x03 #define DRM_MSM_GEM_CPU_PREP 0x04 @@ -351,6 +356,7 @@ struct drm_msm_submitqueue_query { #define DRM_MSM_SUBMITQUEUE_QUERY 0x0C #define DRM_IOCTL_MSM_GET_PARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_MSM_GET_PARAM, struct drm_msm_param) +#define DRM_IOCTL_MSM_SET_PARAM DRM_IOW (DRM_COMMAND_BASE + DRM_MSM_SET_PARAM, struct drm_msm_param) #define DRM_IOCTL_MSM_GEM_NEW DRM_IOWR(DRM_COMMAND_BASE + DRM_MSM_GEM_NEW, struct drm_msm_gem_new) #define DRM_IOCTL_MSM_GEM_INFO DRM_IOWR(DRM_COMMAND_BASE + DRM_MSM_GEM_INFO, struct drm_msm_gem_info) #define DRM_IOCTL_MSM_GEM_CPU_PREP DRM_IOW (DRM_COMMAND_BASE + DRM_MSM_GEM_CPU_PREP, struct drm_msm_gem_cpu_prep) diff --git a/include/uapi/drm/panfrost_drm.h b/include/uapi/drm/panfrost_drm.h index 061e700dd06c..9e40277d8185 100644 --- a/include/uapi/drm/panfrost_drm.h +++ b/include/uapi/drm/panfrost_drm.h @@ -84,14 +84,14 @@ struct drm_panfrost_wait_bo { __s64 timeout_ns; /* absolute */ }; +/* Valid flags to pass to drm_panfrost_create_bo */ #define PANFROST_BO_NOEXEC 1 #define PANFROST_BO_HEAP 2 /** * struct drm_panfrost_create_bo - ioctl argument for creating Panfrost BOs. * - * There are currently no values for the flags argument, but it may be - * used in a future extension. + * The flags argument is a bit mask of PANFROST_BO_* flags. */ struct drm_panfrost_create_bo { __u32 size; diff --git a/include/uapi/linux/kfd_ioctl.h b/include/uapi/linux/kfd_ioctl.h index af96af174dc4..42975e940758 100644 --- a/include/uapi/linux/kfd_ioctl.h +++ b/include/uapi/linux/kfd_ioctl.h @@ -32,9 +32,11 @@ * - 1.4 - Indicate new SRAM EDC bit in device properties * - 1.5 - Add SVM API * - 1.6 - Query clear flags in SVM get_attr API + * - 1.7 - Checkpoint Restore (CRIU) API + * - 1.8 - CRIU - Support for SDMA transfers with GTT BOs */ #define KFD_IOCTL_MAJOR_VERSION 1 -#define KFD_IOCTL_MINOR_VERSION 6 +#define KFD_IOCTL_MINOR_VERSION 8 struct kfd_ioctl_get_version_args { __u32 major_version; /* from KFD */ @@ -194,6 +196,8 @@ struct kfd_ioctl_dbg_wave_control_args { __u32 buf_size_in_bytes; /*including gpu_id and buf_size */ }; +#define KFD_INVALID_FD 0xffffffff + /* Matching HSA_EVENTTYPE */ #define KFD_IOC_EVENT_SIGNAL 0 #define KFD_IOC_EVENT_NODECHANGE 1 @@ -462,12 +466,89 @@ enum kfd_smi_event { }; #define KFD_SMI_EVENT_MASK_FROM_INDEX(i) (1ULL << ((i) - 1)) +#define KFD_SMI_EVENT_MSG_SIZE 96 struct kfd_ioctl_smi_events_args { __u32 gpuid; /* to KFD */ __u32 anon_fd; /* from KFD */ }; +/************************************************************************************************** + * CRIU IOCTLs (Checkpoint Restore In Userspace) + * + * When checkpointing a process, the userspace application will perform: + * 1. PROCESS_INFO op to determine current process information. This pauses execution and evicts + * all the queues. + * 2. CHECKPOINT op to checkpoint process contents (BOs, queues, events, svm-ranges) + * 3. UNPAUSE op to un-evict all the queues + * + * When restoring a process, the CRIU userspace application will perform: + * + * 1. RESTORE op to restore process contents + * 2. RESUME op to start the process + * + * Note: Queues are forced into an evicted state after a successful PROCESS_INFO. User + * application needs to perform an UNPAUSE operation after calling PROCESS_INFO. + */ + +enum kfd_criu_op { + KFD_CRIU_OP_PROCESS_INFO, + KFD_CRIU_OP_CHECKPOINT, + KFD_CRIU_OP_UNPAUSE, + KFD_CRIU_OP_RESTORE, + KFD_CRIU_OP_RESUME, +}; + +/** + * kfd_ioctl_criu_args - Arguments perform CRIU operation + * @devices: [in/out] User pointer to memory location for devices information. + * This is an array of type kfd_criu_device_bucket. + * @bos: [in/out] User pointer to memory location for BOs information + * This is an array of type kfd_criu_bo_bucket. + * @priv_data: [in/out] User pointer to memory location for private data + * @priv_data_size: [in/out] Size of priv_data in bytes + * @num_devices: [in/out] Number of GPUs used by process. Size of @devices array. + * @num_bos [in/out] Number of BOs used by process. Size of @bos array. + * @num_objects: [in/out] Number of objects used by process. Objects are opaque to + * user application. + * @pid: [in/out] PID of the process being checkpointed + * @op [in] Type of operation (kfd_criu_op) + * + * Return: 0 on success, -errno on failure + */ +struct kfd_ioctl_criu_args { + __u64 devices; /* Used during ops: CHECKPOINT, RESTORE */ + __u64 bos; /* Used during ops: CHECKPOINT, RESTORE */ + __u64 priv_data; /* Used during ops: CHECKPOINT, RESTORE */ + __u64 priv_data_size; /* Used during ops: PROCESS_INFO, RESTORE */ + __u32 num_devices; /* Used during ops: PROCESS_INFO, RESTORE */ + __u32 num_bos; /* Used during ops: PROCESS_INFO, RESTORE */ + __u32 num_objects; /* Used during ops: PROCESS_INFO, RESTORE */ + __u32 pid; /* Used during ops: PROCESS_INFO, RESUME */ + __u32 op; +}; + +struct kfd_criu_device_bucket { + __u32 user_gpu_id; + __u32 actual_gpu_id; + __u32 drm_fd; + __u32 pad; +}; + +struct kfd_criu_bo_bucket { + __u64 addr; + __u64 size; + __u64 offset; + __u64 restored_offset; /* During restore, updated offset for BO */ + __u32 gpu_id; /* This is the user_gpu_id */ + __u32 alloc_flags; + __u32 dmabuf_fd; + __u32 pad; +}; + +/* CRIU IOCTLs - END */ +/**************************************************************************************************/ + /* Register offset inside the remapped mmio page */ enum kfd_mmio_remap { @@ -596,7 +677,7 @@ struct kfd_ioctl_svm_args { __u32 op; __u32 nattr; /* Variable length array of attributes */ - struct kfd_ioctl_svm_attribute attrs[0]; + struct kfd_ioctl_svm_attribute attrs[]; }; /** @@ -679,16 +760,16 @@ struct kfd_ioctl_set_xnack_mode_args { #define AMDKFD_IOC_WAIT_EVENTS \ AMDKFD_IOWR(0x0C, struct kfd_ioctl_wait_events_args) -#define AMDKFD_IOC_DBG_REGISTER \ +#define AMDKFD_IOC_DBG_REGISTER_DEPRECATED \ AMDKFD_IOW(0x0D, struct kfd_ioctl_dbg_register_args) -#define AMDKFD_IOC_DBG_UNREGISTER \ +#define AMDKFD_IOC_DBG_UNREGISTER_DEPRECATED \ AMDKFD_IOW(0x0E, struct kfd_ioctl_dbg_unregister_args) -#define AMDKFD_IOC_DBG_ADDRESS_WATCH \ +#define AMDKFD_IOC_DBG_ADDRESS_WATCH_DEPRECATED \ AMDKFD_IOW(0x0F, struct kfd_ioctl_dbg_address_watch_args) -#define AMDKFD_IOC_DBG_WAVE_CONTROL \ +#define AMDKFD_IOC_DBG_WAVE_CONTROL_DEPRECATED \ AMDKFD_IOW(0x10, struct kfd_ioctl_dbg_wave_control_args) #define AMDKFD_IOC_SET_SCRATCH_BACKING_VA \ @@ -742,7 +823,10 @@ struct kfd_ioctl_set_xnack_mode_args { #define AMDKFD_IOC_SET_XNACK_MODE \ AMDKFD_IOWR(0x21, struct kfd_ioctl_set_xnack_mode_args) +#define AMDKFD_IOC_CRIU_OP \ + AMDKFD_IOWR(0x22, struct kfd_ioctl_criu_args) + #define AMDKFD_COMMAND_START 0x01 -#define AMDKFD_COMMAND_END 0x22 +#define AMDKFD_COMMAND_END 0x23 #endif diff --git a/include/video/samsung_fimd.h b/include/video/samsung_fimd.h index c4a93ce1de48..e6966d187591 100644 --- a/include/video/samsung_fimd.h +++ b/include/video/samsung_fimd.h @@ -476,6 +476,10 @@ * 1111 -none- -none- -none- -none- -none- */ +#define WIN_RGB_ORDER(_win) (0x2020 + ((_win) * 4)) +#define WIN_RGB_ORDER_FORWARD (0 << 11) +#define WIN_RGB_ORDER_REVERSE (1 << 11) + /* FIMD Version 8 register offset definitions */ #define FIMD_V8_VIDTCON0 0x20010 #define FIMD_V8_VIDTCON1 0x20014 |