| Message ID | 20230309062855.393087-2-suraj.kandpal@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Enable YCbCr420 format for VDSC | expand |
Thomas, Maxime, Maarten, ack for merging this one via drm-intel? BR, Jani. On Thu, 09 Mar 2023, Suraj Kandpal <suraj.kandpal@intel.com> wrote: > From: Ankit Nautiyal <ankit.k.nautiyal@intel.com> > > 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> > --- > include/drm/display/drm_dp_helper.h | 13 +++++++++++++ > 1 file changed, 13 insertions(+) > > 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)
ack On 2023-03-20 09:59, Jani Nikula wrote: > Thomas, Maxime, Maarten, ack for merging this one via drm-intel? > > BR, > Jani. > > > > On Thu, 09 Mar 2023, Suraj Kandpal <suraj.kandpal@intel.com> wrote: >> From: Ankit Nautiyal <ankit.k.nautiyal@intel.com> >> >> 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> >> --- >> include/drm/display/drm_dp_helper.h | 13 +++++++++++++ >> 1 file changed, 13 insertions(+) >> >> 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)
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)