Commit 8fb843d1 authored by Dingchen Zhang's avatar Dingchen Zhang Committed by Alex Deucher
Browse files

drm/amd/display: add functionality to get pipe CRC source. 



[Why]
We need to check the pipe crc source through debugfs for bypass mode test.

[How]
add implementation of amdgpu_dm_crtc_get_crc_sources and hook into drm_crtc
callback get_crc_sources.

Signed-off-by: default avatarDingchen Zhang <dingchen.zhang@amd.com>
Reviewed-by: default avatarNicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: default avatarLeo Li <sunpeng.li@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 14b25846

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

+1 −0
Original line number Diff line number Diff line
@@ -3735,6 +3735,7 @@ static const struct drm_crtc_funcs amdgpu_dm_crtc_funcs = { 
	.atomic_destroy_state = dm_crtc_destroy_state,

	.set_crc_source = amdgpu_dm_crtc_set_crc_source,

	.verify_crc_source = amdgpu_dm_crtc_verify_crc_source,

	.get_crc_sources = amdgpu_dm_crtc_get_crc_sources,

	.enable_vblank = dm_enable_vblank,

	.disable_vblank = dm_disable_vblank,

};

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c

+14 −0
Original line number Diff line number Diff line
@@ -30,6 +30,13 @@ 
#include "amdgpu_dm.h"

#include "dc.h"



static const char *const pipe_crc_sources[] = {

	"none",

	"crtc",

	"dprx",

	"auto",

};



static enum amdgpu_dm_pipe_crc_source dm_parse_crc_source(const char *source)

{

	if (!source || !strcmp(source, "none"))
@@ -42,6 +49,13 @@ static enum amdgpu_dm_pipe_crc_source dm_parse_crc_source(const char *source) 
	return AMDGPU_DM_PIPE_CRC_SOURCE_INVALID;

}



const char *const *amdgpu_dm_crtc_get_crc_sources(struct drm_crtc *crtc,

						  size_t *count)

{

	*count = ARRAY_SIZE(pipe_crc_sources);

	return pipe_crc_sources;

}



int

amdgpu_dm_crtc_verify_crc_source(struct drm_crtc *crtc, const char *src_name,

				 size_t *values_cnt)

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.h

+3 −0
Original line number Diff line number Diff line
@@ -46,10 +46,13 @@ int amdgpu_dm_crtc_set_crc_source(struct drm_crtc *crtc, const char *src_name); 
int amdgpu_dm_crtc_verify_crc_source(struct drm_crtc *crtc,

				     const char *src_name,

				     size_t *values_cnt);

const char *const *amdgpu_dm_crtc_get_crc_sources(struct drm_crtc *crtc,

						  size_t *count);

void amdgpu_dm_crtc_handle_crc_irq(struct drm_crtc *crtc);

#else

#define amdgpu_dm_crtc_set_crc_source NULL

#define amdgpu_dm_crtc_verify_crc_source NULL

#define amdgpu_dm_crtc_get_crc_sources NULL

#define amdgpu_dm_crtc_handle_crc_irq(x)

#endif

CRA Git | Maintained and supported by SUSTech CRA and CCSE