Commit b156ce3b authored Aug 18, 2023 by Ankit Nautiyal Committed by Greg Kroah-Hartman Aug 30, 2023

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



commit 5ad1ab30ac0809d2963ddcf39ac34317a24a2f17 upstream.

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

Fixes: ffddc436 ("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.k.nautiyal@intel.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 9e5fe282

include/drm/drm_dp_helper.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -1052,7 +1052,7 @@ u8 drm_dp_get_adjust_request_pre_emphasis(const u8 link_status[DP_LINK_STATUS_SI

		#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