6.4-stable review patch. If anyone has any objections, please let me know.
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From: Ankit Nautiyal <ankit.k.nautiyal@xxxxxxxxx>
commit 5ad1ab30ac0809d2963ddcf39ac34317a24a2f17 upstream.
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@xxxxxxxxx>
Cc: Manasi Navare <manasi.d.navare@xxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx> # v5.0+
Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@xxxxxxxxx>
Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@xxxxxxxxx>
Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
Link: https://patchwork.freedesktop.org/patch/msgid/20230818044436.177806-1-ankit.k.nautiyal@xxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
include/drm/display/drm_dp.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/include/drm/display/drm_dp.h
+++ b/include/drm/display/drm_dp.h
@@ -1534,7 +1534,7 @@ 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
