FM / drm

/usr/src/kernels/4.18.0-553.121.1.el8_10.x86_64/include/drm/

/usr/src/kernels/4.18.0-553.121.1.el8_10.x86_64/include/drm

Name	Size	Mode	Actions
bridge/	-	0755	rm
display/	-	0755	rm
i2c/	-	0755	rm
ttm/	-	0755	rm
amd_asic_type.h	2228	0644	edit dl rm
drm_accel.h	2502	0644	edit dl rm
drm_aperture.h	1160	0644	edit dl rm
drm_atomic.h	42345	0644	edit dl rm
drm_atomic_helper.h	9998	0644	edit dl rm
drm_atomic_state_helper.h	4529	0644	edit dl rm
drm_atomic_uapi.h	2111	0644	edit dl rm
drm_audio_component.h	3935	0644	edit dl rm
drm_auth.h	4754	0644	edit dl rm
drm_blend.h	2407	0644	edit dl rm
drm_bridge.h	34436	0644	edit dl rm
drm_bridge_connector.h	405	0644	edit dl rm
drm_buddy.h	4227	0644	edit dl rm
drm_cache.h	3377	0644	edit dl rm
drm_client.h	5166	0644	edit dl rm
drm_color_mgmt.h	3884	0644	edit dl rm
drm_connector.h	63549	0644	edit dl rm
drm_crtc.h	45886	0644	edit dl rm
drm_crtc_helper.h	2567	0644	edit dl rm
drm_damage_helper.h	3408	0644	edit dl rm
drm_debugfs.h	5058	0644	edit dl rm
drm_debugfs_crc.h	2723	0644	edit dl rm
drm_device.h	9416	0644	edit dl rm
drm_displayid.h	4949	0644	edit dl rm
drm_drv.h	19744	0644	edit dl rm
drm_edid.h	20399	0644	edit dl rm
drm_encoder.h	11087	0644	edit dl rm
drm_encoder_slave.h	6614	0644	edit dl rm
drm_fbdev_generic.h	349	0644	edit dl rm
drm_fb_dma_helper.h	575	0644	edit dl rm
drm_fb_helper.h	14380	0644	edit dl rm
drm_file.h	12827	0644	edit dl rm
drm_fixed.h	4993	0644	edit dl rm
drm_flip_work.h	3080	0644	edit dl rm
drm_format_helper.h	3319	0644	edit dl rm
drm_fourcc.h	10096	0644	edit dl rm
drm_framebuffer.h	10856	0644	edit dl rm
drm_gem.h	13646	0644	edit dl rm
drm_gem_atomic_helper.h	5360	0644	edit dl rm
drm_gem_dma_helper.h	9766	0644	edit dl rm
drm_gem_framebuffer_helper.h	1973	0644	edit dl rm
drm_gem_shmem_helper.h	8597	0644	edit dl rm
drm_gem_ttm_helper.h	822	0644	edit dl rm
drm_gem_vram_helper.h	6286	0644	edit dl rm
drm_ioctl.h	6320	0644	edit dl rm
drm_kunit_helpers.h	3072	0644	edit dl rm
drm_lease.h	1010	0644	edit dl rm
drm_legacy.h	9617	0644	edit dl rm
drm_managed.h	3992	0644	edit dl rm
drm_mipi_dbi.h	6953	0644	edit dl rm
drm_mipi_dsi.h	13449	0644	edit dl rm
drm_mm.h	17950	0644	edit dl rm
drm_modes.h	20381	0644	edit dl rm
drm_modeset_helper.h	1814	0644	edit dl rm
drm_modeset_helper_vtables.h	59622	0644	edit dl rm
drm_modeset_lock.h	7244	0644	edit dl rm
drm_mode_config.h	33729	0644	edit dl rm
drm_mode_object.h	5587	0644	edit dl rm
drm_module.h	3808	0644	edit dl rm
drm_of.h	5016	0644	edit dl rm
drm_panel.h	7100	0644	edit dl rm
drm_pciids.h	62502	0644	edit dl rm
drm_plane.h	30811	0644	edit dl rm
drm_plane_helper.h	2391	0644	edit dl rm
drm_prime.h	4162	0644	edit dl rm
drm_print.h	19215	0644	edit dl rm
drm_privacy_screen_consumer.h	1983	0644	edit dl rm
drm_privacy_screen_driver.h	3058	0644	edit dl rm
drm_privacy_screen_machine.h	1281	0644	edit dl rm
drm_probe_helper.h	1607	0644	edit dl rm
drm_property.h	12042	0644	edit dl rm
drm_rect.h	7338	0644	edit dl rm
drm_self_refresh_helper.h	594	0644	edit dl rm
drm_simple_kms_helper.h	9744	0644	edit dl rm
drm_syncobj.h	3943	0644	edit dl rm
drm_sysfs.h	515	0644	edit dl rm
drm_util.h	2642	0644	edit dl rm
drm_utils.h	504	0644	edit dl rm
drm_vblank.h	9255	0644	edit dl rm
drm_vblank_work.h	1956	0644	edit dl rm
drm_vma_manager.h	8428	0644	edit dl rm
drm_writeback.h	4552	0644	edit dl rm
gma_drm.h	413	0644	edit dl rm
gpu_scheduler.h	19364	0644	edit dl rm
gud.h	11934	0644	edit dl rm
i915_component.h	1825	0644	edit dl rm
i915_drm.h	3655	0644	edit dl rm
i915_mei_hdcp_interface.h	5907	0644	edit dl rm
i915_pciids.h	24003	0644	edit dl rm
i915_pxp_tee_interface.h	1250	0644	edit dl rm
intel-gtt.h	1015	0644	edit dl rm
intel_lpe_audio.h	1758	0644	edit dl rm
spsc_queue.h	3131	0644	edit dl rm
task_barrier.h	3020	0644	edit dl rm

Edit: /usr/src/kernels/4.18.0-553.121.1.el8_10.x86_64/include/drm/drm_gem_atomic_helper.h (5360B)

/* SPDX-License-Identifier: GPL-2.0-or-later */

#ifndef __DRM_GEM_ATOMIC_HELPER_H__
#define __DRM_GEM_ATOMIC_HELPER_H__

#include <linux/iosys-map.h>

#include <drm/drm_fourcc.h>
#include <drm/drm_plane.h>

struct drm_simple_display_pipe;

/*
 * Plane Helpers
 */

int drm_gem_plane_helper_prepare_fb(struct drm_plane *plane, struct drm_plane_state *state);

/*
 * Helpers for planes with shadow buffers
 */

/**
 * DRM_SHADOW_PLANE_MAX_WIDTH - Maximum width of a plane's shadow buffer in pixels
 *
 * For drivers with shadow planes, the maximum width of the framebuffer is
 * usually independent from hardware limitations. Drivers can initialize struct
 * drm_mode_config.max_width from DRM_SHADOW_PLANE_MAX_WIDTH.
 */
#define DRM_SHADOW_PLANE_MAX_WIDTH	(4096u)

/**
 * DRM_SHADOW_PLANE_MAX_HEIGHT - Maximum height of a plane's shadow buffer in scanlines
 *
 * For drivers with shadow planes, the maximum height of the framebuffer is
 * usually independent from hardware limitations. Drivers can initialize struct
 * drm_mode_config.max_height from DRM_SHADOW_PLANE_MAX_HEIGHT.
 */
#define DRM_SHADOW_PLANE_MAX_HEIGHT	(4096u)

/**
 * struct drm_shadow_plane_state - plane state for planes with shadow buffers
 *
 * For planes that use a shadow buffer, struct drm_shadow_plane_state
 * provides the regular plane state plus mappings of the shadow buffer
 * into kernel address space.
 */
struct drm_shadow_plane_state {
	/** @base: plane state */
	struct drm_plane_state base;

/* Transitional state - do not export or duplicate */

/**
	 * @map: Mappings of the plane's framebuffer BOs in to kernel address space
	 *
	 * The memory mappings stored in map should be established in the plane's
	 * prepare_fb callback and removed in the cleanup_fb callback.
	 */
	struct iosys_map map[DRM_FORMAT_MAX_PLANES];

/**
	 * @data: Address of each framebuffer BO's data
	 *
	 * The address of the data stored in each mapping. This is different
	 * for framebuffers with non-zero offset fields.
	 */
	struct iosys_map data[DRM_FORMAT_MAX_PLANES];
};

/**
 * to_drm_shadow_plane_state - upcasts from struct drm_plane_state
 * @state: the plane state
 */
static inline struct drm_shadow_plane_state *
to_drm_shadow_plane_state(struct drm_plane_state *state)
{
	return container_of(state, struct drm_shadow_plane_state, base);
}

void __drm_gem_duplicate_shadow_plane_state(struct drm_plane *plane,
					    struct drm_shadow_plane_state *new_shadow_plane_state);
void __drm_gem_destroy_shadow_plane_state(struct drm_shadow_plane_state *shadow_plane_state);
void __drm_gem_reset_shadow_plane(struct drm_plane *plane,
				  struct drm_shadow_plane_state *shadow_plane_state);

void drm_gem_reset_shadow_plane(struct drm_plane *plane);
struct drm_plane_state *drm_gem_duplicate_shadow_plane_state(struct drm_plane *plane);
void drm_gem_destroy_shadow_plane_state(struct drm_plane *plane,
					struct drm_plane_state *plane_state);

/**
 * DRM_GEM_SHADOW_PLANE_FUNCS -
 *	Initializes struct drm_plane_funcs for shadow-buffered planes
 *
 * Drivers may use GEM BOs as shadow buffers over the framebuffer memory. This
 * macro initializes struct drm_plane_funcs to use the rsp helper functions.
 */
#define DRM_GEM_SHADOW_PLANE_FUNCS \
	.reset = drm_gem_reset_shadow_plane, \
	.atomic_duplicate_state = drm_gem_duplicate_shadow_plane_state, \
	.atomic_destroy_state = drm_gem_destroy_shadow_plane_state

int drm_gem_begin_shadow_fb_access(struct drm_plane *plane, struct drm_plane_state *plane_state);
void drm_gem_end_shadow_fb_access(struct drm_plane *plane, struct drm_plane_state *plane_state);

/**
 * DRM_GEM_SHADOW_PLANE_HELPER_FUNCS -
 *	Initializes struct drm_plane_helper_funcs for shadow-buffered planes
 *
 * Drivers may use GEM BOs as shadow buffers over the framebuffer memory. This
 * macro initializes struct drm_plane_helper_funcs to use the rsp helper
 * functions.
 */
#define DRM_GEM_SHADOW_PLANE_HELPER_FUNCS \
	.begin_fb_access = drm_gem_begin_shadow_fb_access, \
	.end_fb_access = drm_gem_end_shadow_fb_access

int drm_gem_simple_kms_begin_shadow_fb_access(struct drm_simple_display_pipe *pipe,
					      struct drm_plane_state *plane_state);
void drm_gem_simple_kms_end_shadow_fb_access(struct drm_simple_display_pipe *pipe,
					     struct drm_plane_state *plane_state);
void drm_gem_simple_kms_reset_shadow_plane(struct drm_simple_display_pipe *pipe);
struct drm_plane_state *
drm_gem_simple_kms_duplicate_shadow_plane_state(struct drm_simple_display_pipe *pipe);
void drm_gem_simple_kms_destroy_shadow_plane_state(struct drm_simple_display_pipe *pipe,
						   struct drm_plane_state *plane_state);

/**
 * DRM_GEM_SIMPLE_DISPLAY_PIPE_SHADOW_PLANE_FUNCS -
 *	Initializes struct drm_simple_display_pipe_funcs for shadow-buffered planes
 *
 * Drivers may use GEM BOs as shadow buffers over the framebuffer memory. This
 * macro initializes struct drm_simple_display_pipe_funcs to use the rsp helper
 * functions.
 */
#define DRM_GEM_SIMPLE_DISPLAY_PIPE_SHADOW_PLANE_FUNCS \
	.begin_fb_access = drm_gem_simple_kms_begin_shadow_fb_access, \
	.end_fb_access = drm_gem_simple_kms_end_shadow_fb_access, \
	.reset_plane = drm_gem_simple_kms_reset_shadow_plane, \
	.duplicate_plane_state = drm_gem_simple_kms_duplicate_shadow_plane_state, \
	.destroy_plane_state = drm_gem_simple_kms_destroy_shadow_plane_state

#endif /* __DRM_GEM_ATOMIC_HELPER_H__ */

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