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-rw-r--r--drivers/gpu/drm/amd/display/dc/dc_types.h1
-rw-r--r--drivers/gpu/drm/amd/display/dc/link/link_detection.c3
2 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc_types.h b/drivers/gpu/drm/amd/display/dc/dc_types.h
index cea666ea66c6..fcb825e4f1bb 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_types.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_types.h
@@ -177,6 +177,7 @@ struct dc_panel_patch {
unsigned int disable_fams;
unsigned int skip_avmute;
unsigned int mst_start_top_delay;
+ unsigned int remove_sink_ext_caps;
};
struct dc_edid_caps {
diff --git a/drivers/gpu/drm/amd/display/dc/link/link_detection.c b/drivers/gpu/drm/amd/display/dc/link/link_detection.c
index d6f0f857c05a..f2fe523f914f 100644
--- a/drivers/gpu/drm/amd/display/dc/link/link_detection.c
+++ b/drivers/gpu/drm/amd/display/dc/link/link_detection.c
@@ -1088,6 +1088,9 @@ static bool detect_link_and_local_sink(struct dc_link *link,
if (sink->edid_caps.panel_patch.skip_scdc_overwrite)
link->ctx->dc->debug.hdmi20_disable = true;
+ if (sink->edid_caps.panel_patch.remove_sink_ext_caps)
+ link->dpcd_sink_ext_caps.raw = 0;
+
if (dc_is_hdmi_signal(link->connector_signal))
read_scdc_caps(link->ddc, link->local_sink);