drm/amd/display: Add FR skipping CTS functions

1. To check whether Sink reaches maximum skipping number

Reviewed-by: Robin Chen <robin.chen@amd.com>
Signed-off-by: Jack Chang <jack.chang@amd.com>
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/display/include/dpcd_defs.h b/drivers/gpu/drm/amd/display/include/dpcd_defs.h
index 7d8359a7d99d46e6e74988674eb031ad54b1f4c3..1afa10e85eb5936f3694a17f1e4c2366abbde76d 100644 (file)
--- a/drivers/gpu/drm/amd/display/include/dpcd_defs.h
+++ b/drivers/gpu/drm/amd/display/include/dpcd_defs.h
@@ -224,6 +224,7 @@ enum dpcd_psr_sink_states {
 #define DP_SINK_PR_PIXEL_DEVIATION_PER_LINE     0x379
 #define DP_SINK_PR_MAX_NUMBER_OF_DEVIATION_LINE 0x37A
 #define DP_SINK_EMISSION_RATE                   0x37E
+#define DP_SINK_PR_FRAME_SKIP_COUNT             0x337
 
 /* Remove once drm_dp_helper.h is updated upstream */
 #ifndef DP_TOTAL_LTTPR_CNT