[Intel-gfx] [PATCH 2/2] drm/dsc: fix DP_DSC_MAX_BPP_DELTA_* macro values

Jani Nikula jani.nikula at intel.com
Thu Apr 6 13:46:15 UTC 2023


The macro values just don't match the specs. Fix them.

Fixes: 1482ec00be4a ("drm: Add missing DP DSC extended capability definitions.")
Cc: Vinod Govindapillai <vinod.govindapillai at intel.com>
Cc: Stanislav Lisovskiy <stanislav.lisovskiy at intel.com>
Signed-off-by: Jani Nikula <jani.nikula at intel.com>
---
 include/drm/display/drm_dp.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/drm/display/drm_dp.h b/include/drm/display/drm_dp.h
index 89d5a700b04d..f8813c1e059b 100644
--- a/include/drm/display/drm_dp.h
+++ b/include/drm/display/drm_dp.h
@@ -286,8 +286,8 @@
 
 #define DP_DSC_MAX_BITS_PER_PIXEL_HI        0x068   /* eDP 1.4 */
 # define DP_DSC_MAX_BITS_PER_PIXEL_HI_MASK  (0x3 << 0)
-# define DP_DSC_MAX_BPP_DELTA_VERSION_MASK  0x06
-# define DP_DSC_MAX_BPP_DELTA_AVAILABILITY  0x08
+# define DP_DSC_MAX_BPP_DELTA_VERSION_MASK  (0x3 << 5)	/* eDP 1.5 & DP 2.0 */
+# define DP_DSC_MAX_BPP_DELTA_AVAILABILITY  (1 << 7)	/* eDP 1.5 & DP 2.0 */
 
 #define DP_DSC_DEC_COLOR_FORMAT_CAP         0x069
 # define DP_DSC_RGB                         (1 << 0)
-- 
2.39.2



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