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drm/amdgpu_dm/crc: Implement verify_crc_source callback

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This patch implements "verify_crc_source" callback function for
AMD drm driver.

Signed-off-by: Mahesh Kumar <mahesh1.kumar@intel.com>
Cc: dri-devel@lists.freedesktop.org
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180713135942.25061-5-mahesh1.kumar@intel.com
This commit is contained in:
Mahesh Kumar 2018-07-13 19:29:36 +05:30 committed by Maarten Lankhorst
parent b8d913c0ee
commit 3b3b8448eb
3 changed files with 21 additions and 0 deletions
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1
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
View File

@ -2563,6 +2563,7 @@ static const struct drm_crtc_funcs amdgpu_dm_crtc_funcs = {
.atomic_duplicate_state = dm_crtc_duplicate_state,
.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,
.enable_vblank = dm_enable_vblank,
.disable_vblank = dm_disable_vblank,
};

4
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
View File

@ -260,9 +260,13 @@ amdgpu_dm_remove_sink_from_freesync_module(struct drm_connector *connector);
#ifdef CONFIG_DEBUG_FS
int amdgpu_dm_crtc_set_crc_source(struct drm_crtc *crtc, const char *src_name,
size_t *values_cnt);
int amdgpu_dm_crtc_verify_crc_source(struct drm_crtc *crtc,
const char *src_name,
size_t *values_cnt);
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_handle_crc_irq(x)
#endif

16
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c
View File

@ -46,6 +46,22 @@ static enum amdgpu_dm_pipe_crc_source dm_parse_crc_source(const char *source)
return AMDGPU_DM_PIPE_CRC_SOURCE_INVALID;
}
int
amdgpu_dm_crtc_verify_crc_source(struct drm_crtc *crtc, const char *src_name,
size_t *values_cnt)
{
enum amdgpu_dm_pipe_crc_source source = dm_parse_crc_source(src_name);
if (source < 0) {
DRM_DEBUG_DRIVER("Unknown CRC source %s for CRTC%d\n",
src_name, crtc->index);
return -EINVAL;
}
*values_cnt = 3;
return 0;
}
int amdgpu_dm_crtc_set_crc_source(struct drm_crtc *crtc, const char *src_name,
size_t *values_cnt)
{