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| author |   Mahesh Kumar <mahesh1.kumar@intel.com> | 2018-07-13 19:29:36 +0530 |
|---|---|---|
| committer |   Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2018-08-13 14:00:20 +0200 |
| commit | 3b3b8448ebd1e54927bf7a77be9d6eac11441bfd (patch) | |
| tree | e0b2a340996e4d081095817675492f1bdf633ff4 /drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c | |
| parent | drm/rockchip/crc: Implement verify_crc_source callback (diff) | |
| download | linux-dev-3b3b8448ebd1e54927bf7a77be9d6eac11441bfd.tar.xz linux-dev-3b3b8448ebd1e54927bf7a77be9d6eac11441bfd.zip | |
drm/amdgpu_dm/crc: Implement verify_crc_source callback
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
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c index 52f2c01349e3..dfcca594d52a 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c @@ -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) { |