iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/i915/dsc/mtl: Update the DSC minor version

Browse Source 
From MTL onwards we support DSC 1.2, since there is hardcoding to minor
version 1, update it.

Cc: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Signed-off-by: Vandita Kulkarni <vandita.kulkarni@intel.com>
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220817124516.284456-1-jani.nikula@intel.com
This commit is contained in:
Vandita Kulkarni 2022-08-17 15:45:15 +03:00 committed by Jani Nikula
parent 4234ea3005
commit 20052deeb5
1 changed files with 14 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
drivers/gpu/drm/i915/display/intel_dp.c
View File

@ -1377,7 +1377,18 @@ static int intel_dp_dsc_compute_bpp(struct intel_dp *intel_dp, u8 max_req_bpc)
return 0;
}
#define DSC_SUPPORTED_VERSION_MIN 1
static int intel_dp_source_dsc_version_minor(struct intel_dp *intel_dp)
{
struct drm_i915_private *i915 = dp_to_i915(intel_dp);
return DISPLAY_VER(i915) >= 14 ? 2 : 1;
}
static int intel_dp_sink_dsc_version_minor(struct intel_dp *intel_dp)
{
return (intel_dp->dsc_dpcd[DP_DSC_REV - DP_DSC_SUPPORT] & DP_DSC_MINOR_MASK) >>
DP_DSC_MINOR_SHIFT;
}
static int intel_dp_dsc_compute_params(struct intel_encoder *encoder,
struct intel_crtc_state *crtc_state)
@ -1416,9 +1427,8 @@ static int intel_dp_dsc_compute_params(struct intel_encoder *encoder,
(intel_dp->dsc_dpcd[DP_DSC_REV - DP_DSC_SUPPORT] &
DP_DSC_MAJOR_MASK) >> DP_DSC_MAJOR_SHIFT;
vdsc_cfg->dsc_version_minor =
min(DSC_SUPPORTED_VERSION_MIN,
(intel_dp->dsc_dpcd[DP_DSC_REV - DP_DSC_SUPPORT] &
DP_DSC_MINOR_MASK) >> DP_DSC_MINOR_SHIFT);
min(intel_dp_source_dsc_version_minor(intel_dp),
intel_dp_sink_dsc_version_minor(intel_dp));
vdsc_cfg->convert_rgb = intel_dp->dsc_dpcd[DP_DSC_DEC_COLOR_FORMAT_CAP - DP_DSC_SUPPORT] &
DP_DSC_RGB;