Merge tag 'drm-misc-next-2020-06-26' of git://anongit.freedesktop.org/drm/drm-misc...

[thirdparty/linux.git] / include / drm / drm_dp_helper.h

diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index 1165ec10563861872d10247bc510be38ce4bbbac..e47dc22ebf503144bd441370b7f82cc89b782315 100644 (file)
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -1457,6 +1457,14 @@ drm_dp_alternate_scrambler_reset_cap(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
                        DP_ALTERNATE_SCRAMBLER_RESET_CAP;
 }
 
+/* Ignore MSA timing for Adaptive Sync support on DP 1.4 */
+static inline bool
+drm_dp_sink_can_do_video_without_timing_msa(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
+{
+       return dpcd[DP_DOWN_STREAM_PORT_COUNT] &
+               DP_MSA_TIMING_PAR_IGNORED;
+}
+
 /*
  * DisplayPort AUX channel
  */