diff options
| author | Ankit Nautiyal <ankit.k.nautiyal@intel.com> | 2023-03-09 09:28:49 +0300 |
|---|---|---|
| committer | Uma Shankar <uma.shankar@intel.com> | 2023-04-03 10:11:09 +0300 |
| commit | a389789c0aaf8428cd44cac4f92c8786505f5f1e (patch) | |
| tree | e357480367c0f134402d6d1ccd98f05c5c4d529d /include/drm | |
| parent | 1119f009005ea89dafac298aeb3231cf2cf2a9ef (diff) | |
| download | linux-a389789c0aaf8428cd44cac4f92c8786505f5f1e.tar.xz | |
drm/dp_helper: Add helper to check DSC support with given o/p format
Add helper to check if the DP sink supports DSC with the given
o/p format.
v2: Add documentation for the helper. (Uma Shankar)
v3: /** instead of /* (Uma Shankar)
Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Uma Shankar <uma.shankar@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230309062855.393087-2-suraj.kandpal@intel.com
Diffstat (limited to 'include/drm')
| -rw-r--r-- | include/drm/display/drm_dp_helper.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/drm/display/drm_dp_helper.h b/include/drm/display/drm_dp_helper.h index ab55453f2d2c..533d3ee7fe05 100644 --- a/include/drm/display/drm_dp_helper.h +++ b/include/drm/display/drm_dp_helper.h @@ -194,6 +194,19 @@ drm_dp_dsc_sink_max_slice_width(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE]) DP_DSC_SLICE_WIDTH_MULTIPLIER; } +/** + * drm_dp_dsc_sink_supports_format() - check if sink supports DSC with given output format + * @dsc_dpcd : DSC-capability DPCDs of the sink + * @output_format: output_format which is to be checked + * + * Returns true if the sink supports DSC with the given output_format, false otherwise. + */ +static inline bool +drm_dp_dsc_sink_supports_format(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE], u8 output_format) +{ + return dsc_dpcd[DP_DSC_DEC_COLOR_FORMAT_CAP - DP_DSC_SUPPORT] & output_format; +} + /* Forward Error Correction Support on DP 1.4 */ static inline bool drm_dp_sink_supports_fec(const u8 fec_capable) |