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Name	Size	Permission
bridge	[ DIR ]	drwxr-xr-x
i2c	[ DIR ]	drwxr-xr-x
ttm	[ DIR ]	drwxr-xr-x
amd_asic_type.h	2.15 KB	-rw-r--r--
drm_aperture.h	1.13 KB	-rw-r--r--
drm_atomic.h	40.7 KB	-rw-r--r--
drm_atomic_helper.h	9.27 KB	-rw-r--r--
drm_atomic_state_helper.h	4.21 KB	-rw-r--r--
drm_atomic_uapi.h	2.17 KB	-rw-r--r--
drm_audio_component.h	3.79 KB	-rw-r--r--
drm_auth.h	4.64 KB	-rw-r--r--
drm_blend.h	2.35 KB	-rw-r--r--
drm_bridge.h	33.19 KB	-rw-r--r--
drm_bridge_connector.h	548 B	-rw-r--r--
drm_cache.h	3.01 KB	-rw-r--r--
drm_client.h	4.94 KB	-rw-r--r--
drm_color_mgmt.h	3.79 KB	-rw-r--r--
drm_connector.h	55.15 KB	-rw-r--r--
drm_crtc.h	44.48 KB	-rw-r--r--
drm_crtc_helper.h	2.39 KB	-rw-r--r--
drm_damage_helper.h	3.33 KB	-rw-r--r--
drm_debugfs.h	3.4 KB	-rw-r--r--
drm_debugfs_crc.h	2.66 KB	-rw-r--r--
drm_device.h	8.52 KB	-rw-r--r--
drm_displayid.h	3.32 KB	-rw-r--r--
drm_dp_aux_bus.h	1.7 KB	-rw-r--r--
drm_dp_dual_mode_helper.h	4.62 KB	-rw-r--r--
drm_dp_helper.h	87.62 KB	-rw-r--r--
drm_dp_mst_helper.h	27.73 KB	-rw-r--r--
drm_drv.h	18.67 KB	-rw-r--r--
drm_dsc.h	16.29 KB	-rw-r--r--
drm_edid.h	17.16 KB	-rw-r--r--
drm_encoder.h	10.64 KB	-rw-r--r--
drm_encoder_slave.h	6.44 KB	-rw-r--r--
drm_fb_cma_helper.h	575 B	-rw-r--r--
drm_fb_helper.h	12.71 KB	-rw-r--r--
drm_file.h	12.12 KB	-rw-r--r--
drm_fixed.h	4.71 KB	-rw-r--r--
drm_flip_work.h	3.01 KB	-rw-r--r--
drm_format_helper.h	1.49 KB	-rw-r--r--
drm_fourcc.h	9.7 KB	-rw-r--r--
drm_framebuffer.h	10.4 KB	-rw-r--r--
drm_gem.h	11.8 KB	-rw-r--r--
drm_gem_atomic_helper.h	4.61 KB	-rw-r--r--
drm_gem_cma_helper.h	6.83 KB	-rw-r--r--
drm_gem_framebuffer_helper.h	2.06 KB	-rw-r--r--
drm_gem_shmem_helper.h	4.23 KB	-rw-r--r--
drm_gem_ttm_helper.h	861 B	-rw-r--r--
drm_gem_vram_helper.h	6.17 KB	-rw-r--r--
drm_hashtab.h	3.01 KB	-rw-r--r--
drm_hdcp.h	8.79 KB	-rw-r--r--
drm_ioctl.h	6.23 KB	-rw-r--r--
drm_lease.h	1010 B	-rw-r--r--
drm_legacy.h	9.26 KB	-rw-r--r--
drm_managed.h	3.35 KB	-rw-r--r--
drm_mipi_dbi.h	4.72 KB	-rw-r--r--
drm_mipi_dsi.h	10.79 KB	-rw-r--r--
drm_mm.h	17.5 KB	-rw-r--r--
drm_mode_config.h	32.24 KB	-rw-r--r--
drm_mode_object.h	5.17 KB	-rw-r--r--
drm_modes.h	18.18 KB	-rw-r--r--
drm_modeset_helper.h	1.77 KB	-rw-r--r--
drm_modeset_helper_vtables.h	55.98 KB	-rw-r--r--
drm_modeset_lock.h	6.8 KB	-rw-r--r--
drm_of.h	4.11 KB	-rw-r--r--
drm_panel.h	6.26 KB	-rw-r--r--
drm_pciids.h	66.47 KB	-rw-r--r--
drm_plane.h	28.48 KB	-rw-r--r--
drm_plane_helper.h	1.75 KB	-rw-r--r--
drm_prime.h	4.07 KB	-rw-r--r--
drm_print.h	16.09 KB	-rw-r--r--
drm_probe_helper.h	848 B	-rw-r--r--
drm_property.h	11.76 KB	-rw-r--r--
drm_rect.h	6.86 KB	-rw-r--r--
drm_scdc_helper.h	4.34 KB	-rw-r--r--
drm_self_refresh_helper.h	594 B	-rw-r--r--
drm_simple_kms_helper.h	8.91 KB	-rw-r--r--
drm_syncobj.h	3.85 KB	-rw-r--r--
drm_sysfs.h	442 B	-rw-r--r--
drm_util.h	2.58 KB	-rw-r--r--
drm_utils.h	504 B	-rw-r--r--
drm_vblank.h	9.04 KB	-rw-r--r--
drm_vblank_work.h	1.91 KB	-rw-r--r--
drm_vma_manager.h	8.15 KB	-rw-r--r--
drm_writeback.h	4.05 KB	-rw-r--r--
gma_drm.h	413 B	-rw-r--r--
gpu_scheduler.h	15.44 KB	-rw-r--r--
gud.h	11.58 KB	-rw-r--r--
i915_component.h	1.76 KB	-rw-r--r--
i915_drm.h	3.6 KB	-rw-r--r--
i915_mei_hdcp_interface.h	5.76 KB	-rw-r--r--
i915_pciids.h	21.38 KB	-rw-r--r--
intel-gtt.h	996 B	-rw-r--r--
intel_lpe_audio.h	1.72 KB	-rw-r--r--
spsc_queue.h	3.06 KB	-rw-r--r--
task_barrier.h	2.95 KB	-rw-r--r--

Code Editor : drm_gem_atomic_helper.h

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

#ifndef __DRM_GEM_ATOMIC_HELPER_H__
#define __DRM_GEM_ATOMIC_HELPER_H__

#include <linux/dma-buf-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);
int drm_gem_simple_display_pipe_prepare_fb(struct drm_simple_display_pipe *pipe,
					   struct drm_plane_state *plane_state);

/*
 * Helpers for planes with shadow buffers
 */

/**
 * 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 dma_buf_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 dma_buf_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_prepare_shadow_fb(struct drm_plane *plane, struct drm_plane_state *plane_state);
void drm_gem_cleanup_shadow_fb(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 \
	.prepare_fb = drm_gem_prepare_shadow_fb, \
	.cleanup_fb = drm_gem_cleanup_shadow_fb

int drm_gem_simple_kms_prepare_shadow_fb(struct drm_simple_display_pipe *pipe,
					 struct drm_plane_state *plane_state);
void drm_gem_simple_kms_cleanup_shadow_fb(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 \
	.prepare_fb = drm_gem_simple_kms_prepare_shadow_fb, \
	.cleanup_fb = drm_gem_simple_kms_cleanup_shadow_fb, \
	.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__ */

${this.title}

Code Editor : drm_gem_atomic_helper.h