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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: Dingchen Zhang <dingchen.zhang@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
alistair/sunxi64-5.4-dsi
Dingchen Zhang 2019-05-29 18:52:52 -04:00 committed by Alex Deucher
parent 14b2584636
commit 8fb843d179
3 changed files with 18 additions and 0 deletions
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1
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
View File

@ -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,
};

14
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c
View File

@ -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)

3
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.h
View File

@ -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