5.4-stable review patch. If anyone has any objections, please let me know.
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From: Ankit Nautiyal ankit.k.nautiyal@intel.com
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@intel.com Cc: Manasi Navare manasi.d.navare@intel.com Cc: stable@vger.kernel.org # v5.0+
Signed-off-by: Ankit Nautiyal ankit.k.nautiyal@intel.com Reviewed-by: Stanislav Lisovskiy stanislav.lisovskiy@intel.com Signed-off-by: Jani Nikula jani.nikula@intel.com Link: https://patchwork.freedesktop.org/patch/msgid/20230818044436.177806-1-ankit.... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- include/drm/drm_dp_helper.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/include/drm/drm_dp_helper.h +++ b/include/drm/drm_dp_helper.h @@ -1052,7 +1052,7 @@ u8 drm_dp_get_adjust_request_pre_emphasi
#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