From: Wenjing Liu <wenjing....@amd.com>
Signed-off-by: Wenjing Liu <wenjing....@amd.com>
Reviewed-by: Tony Cheng <tony.ch...@amd.com>
Acked-by: Harry Wentland <harry.wentl...@amd.com>
---
drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 2 ++
drivers/gpu/drm/amd/display/dc/dc.h | 2 +-
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
index 0144c98fd0d5..d621237e923e 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
@@ -2258,6 +2258,8 @@ static void retrieve_link_cap(struct dc_link *link)
DP_EDP_CONFIGURATION_CAP - DP_DPCD_REV];
link->dpcd_caps.panel_mode_edp =
edp_config_cap.bits.ALT_SCRAMBLER_RESET;
+ link->dpcd_caps.dpcd_display_control_capable =
+ edp_config_cap.bits.DPCD_DISPLAY_CONTROL_CAPABLE;
link->test_pattern_enabled = false;
link->compliance_test_state.raw = 0;
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h
b/drivers/gpu/drm/amd/display/dc/dc.h
index 2b4fc6616243..9e4d0715c132 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -759,6 +759,7 @@ struct dpcd_caps {
bool allow_invalid_MSA_timing_param;
bool panel_mode_edp;
+ bool dpcd_display_control_capable;
};
struct dc_link_status {
@@ -833,7 +834,6 @@ struct dc_link {
struct dpcd_caps dpcd_caps;
unsigned short chip_caps;
unsigned int dpcd_sink_count;
-
enum edp_revision edp_revision;
bool psr_enabled;
--
2.11.0
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