drivers/gpu/drm/amd/display/dc/dc_state_priv.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/amd/display/dc/dc_state_priv.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/amd/display/dc/dc_state_priv.h
Extension
.h
Size
4692 bytes
Lines
129
Domain
Driver Families
Bucket
drivers/gpu
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef _DC_STATE_PRIV_H_
#define _DC_STATE_PRIV_H_

#include "dc_state.h"
#include "dc_stream.h"

struct dc_stream_state *dc_state_get_stream_from_id(const struct dc_state *state, unsigned int id);

/* Get the type of the provided resource (none, phantom, main) based on the provided
 * context. If the context is unavailable, determine only if phantom or not.
 */
enum mall_stream_type dc_state_get_pipe_subvp_type(const struct dc_state *state,
		const struct pipe_ctx *pipe_ctx);
enum mall_stream_type dc_state_get_stream_subvp_type(const struct dc_state *state,
		const struct dc_stream_state *stream);

/* Gets the phantom stream if main is provided, gets the main if phantom is provided.*/
struct dc_stream_state *dc_state_get_paired_subvp_stream(const struct dc_state *state,
		const struct dc_stream_state *stream);

/* allocate's phantom stream or plane and returns pointer to the object */
struct dc_stream_state *dc_state_create_phantom_stream(const struct dc *dc,
		struct dc_state *state,
		struct dc_stream_state *main_stream);
struct dc_plane_state *dc_state_create_phantom_plane(const struct dc *dc,
		struct dc_state *state,
		struct dc_plane_state *main_plane);

/* deallocate's phantom stream or plane */
void dc_state_release_phantom_stream(const struct dc *dc,
		struct dc_state *state,
		struct dc_stream_state *phantom_stream);
void dc_state_release_phantom_plane(const struct dc *dc,
		struct dc_state *state,
		struct dc_plane_state *phantom_plane);

/* add/remove phantom stream to context and generate subvp meta data */
enum dc_status dc_state_add_phantom_stream(const struct dc *dc,
		struct dc_state *state,
		struct dc_stream_state *phantom_stream,
		struct dc_stream_state *main_stream);
enum dc_status dc_state_remove_phantom_stream(const struct dc *dc,
		struct dc_state *state,
		struct dc_stream_state *phantom_stream);

bool dc_state_add_phantom_plane(
		const struct dc *dc,
		struct dc_stream_state *phantom_stream,
		struct dc_plane_state *phantom_plane,
		struct dc_state *state);

bool dc_state_remove_phantom_plane(
		const struct dc *dc,
		struct dc_stream_state *phantom_stream,
		struct dc_plane_state *phantom_plane,
		struct dc_state *state);

bool dc_state_rem_all_phantom_planes_for_stream(
		const struct dc *dc,
		struct dc_stream_state *phantom_stream,
		struct dc_state *state,
		bool should_release_planes);

bool dc_state_add_all_phantom_planes_for_stream(
		const struct dc *dc,
		struct dc_stream_state *phantom_stream,
		struct dc_plane_state * const *phantom_planes,
		int plane_count,
		struct dc_state *state);

bool dc_state_remove_phantom_streams_and_planes(
		const struct dc *dc,
		struct dc_state *state);

void dc_state_release_phantom_streams_and_planes(
		const struct dc *dc,
		struct dc_state *state);

bool dc_state_is_fams2_in_use(
		const struct dc *dc,
		const struct dc_state *state);


void dc_state_set_stream_subvp_cursor_limit(const struct dc_stream_state *stream,
		struct dc_state *state,
		bool limit);

bool dc_state_get_stream_subvp_cursor_limit(const struct dc_stream_state *stream,
		struct dc_state *state);

Annotation

Implementation Notes