diff options
| author |   Nikola Cornij <nikola.cornij@amd.com> | 2019-04-17 19:07:08 -0400 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2019-06-22 09:34:11 -0500 |
| commit | f446489adcbc9c4833ae724a985166731c577bcd (patch) | |
| tree | 16ad0130141a8ba2f50643b0fbc4344707b9ffc0 /include/drm | |
| parent | drm/amd/display: Do a reg update instead of set when writing ODM color format (diff) | |
| download | linux-dev-f446489adcbc9c4833ae724a985166731c577bcd.tar.xz linux-dev-f446489adcbc9c4833ae724a985166731c577bcd.zip | |
drm/amd/display: Add support for extended DSC DPCD caps
[why]
A few of the new DSC DPCD caps were introduced by a DP 1.4a SCR in order
to give DSC branch decoders a chance to expose their maximum throughput
and maximum line width limitations.
Signed-off-by: Nikola Cornij <nikola.cornij@amd.com>
Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'include/drm')
| -rw-r--r-- | include/drm/drm_dp_helper.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h index c0c947a42a59..6d10b455b80a 100644 --- a/include/drm/drm_dp_helper.h +++ b/include/drm/drm_dp_helper.h @@ -356,6 +356,11 @@ # define DP_FEC_CORR_BLK_ERROR_COUNT_CAP (1 << 2) # define DP_FEC_BIT_ERROR_COUNT_CAP (1 << 3) +/* DP Extended DSC Capabilities */ +#define DP_DSC_BRANCH_OVERALL_THROUGHPUT_0 0x0a0 /* DP 1.4a SCR */ +#define DP_DSC_BRANCH_OVERALL_THROUGHPUT_1 0x0a1 +#define DP_DSC_BRANCH_MAX_LINE_WIDTH 0x0a2 + /* link configuration */ #define DP_LINK_BW_SET 0x100 # define DP_LINK_RATE_TABLE 0x00 /* eDP 1.4 */ |