[PATCH] drm/display/dp: Fix the DP DSC Receiver cap size

Ankit Nautiyal ankit.k.nautiyal at intel.com
Fri Aug 18 04:44:36 UTC 2023


DP DSC Receiver Capabilities are exposed via DPCD 60h-6Fh.
Fix the DSC RECEIVER CAP SIZE accordingly.

Fixes: ffddc4363c28 ("drm/dp: Add DP DSC DPCD receiver capability size define and missing SHIFT")
Cc: Anusha Srivatsa <anusha.srivatsa at intel.com>
Cc: Manasi Navare <manasi.d.navare at intel.com>
Cc: <stable at vger.kernel.org> # v5.0+

Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal at intel.com>
Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy at intel.com>
---
 include/drm/display/drm_dp.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/drm/display/drm_dp.h b/include/drm/display/drm_dp.h
index 02f2ac4dd2df..e69cece404b3 100644
--- a/include/drm/display/drm_dp.h
+++ b/include/drm/display/drm_dp.h
@@ -1537,7 +1537,7 @@ enum drm_dp_phy {
 
 #define DP_BRANCH_OUI_HEADER_SIZE	0xc
 #define DP_RECEIVER_CAP_SIZE		0xf
-#define DP_DSC_RECEIVER_CAP_SIZE        0xf
+#define DP_DSC_RECEIVER_CAP_SIZE        0x10 /* DSC Capabilities 0x60 through 0x6F */
 #define EDP_PSR_RECEIVER_CAP_SIZE	2
 #define EDP_DISPLAY_CTL_CAP_SIZE	3
 #define DP_LTTPR_COMMON_CAP_SIZE	8
-- 
2.40.1



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