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-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c11
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c4
-rw-r--r--drivers/gpu/drm/amd/display/dc/dc_types.h1
3 files changed, 15 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 6e79028c5d78..7a826f20c38a 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -6735,12 +6735,21 @@ create_stream_for_sink(struct drm_connector *connector,
if (stream->signal == SIGNAL_TYPE_DISPLAY_PORT ||
stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST ||
stream->signal == SIGNAL_TYPE_EDP) {
+ const struct dc_edid_caps *edid_caps;
+ unsigned int disable_colorimetry = 0;
+
+ if (aconnector->dc_sink) {
+ edid_caps = &aconnector->dc_sink->edid_caps;
+ disable_colorimetry = edid_caps->panel_patch.disable_colorimetry;
+ }
+
//
// should decide stream support vsc sdp colorimetry capability
// before building vsc info packet
//
stream->use_vsc_sdp_for_colorimetry = stream->link->dpcd_caps.dpcd_rev.raw >= 0x14 &&
- stream->link->dpcd_caps.dprx_feature.bits.VSC_SDP_COLORIMETRY_SUPPORTED;
+ stream->link->dpcd_caps.dprx_feature.bits.VSC_SDP_COLORIMETRY_SUPPORTED &&
+ !disable_colorimetry;
if (stream->out_transfer_func.tf == TRANSFER_FUNCTION_GAMMA22)
tf = TRANSFER_FUNC_GAMMA_22;
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
index 50109d13d967..069e0195e50a 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
@@ -73,6 +73,10 @@ static void apply_edid_quirks(struct edid *edid, struct dc_edid_caps *edid_caps)
DRM_DEBUG_DRIVER("Clearing DPCD 0x317 on monitor with panel id %X\n", panel_id);
edid_caps->panel_patch.remove_sink_ext_caps = true;
break;
+ case drm_edid_encode_panel_id('S', 'D', 'C', 0x4154):
+ DRM_DEBUG_DRIVER("Disabling VSC on monitor with panel id %X\n", panel_id);
+ edid_caps->panel_patch.disable_colorimetry = true;
+ break;
default:
return;
}
diff --git a/drivers/gpu/drm/amd/display/dc/dc_types.h b/drivers/gpu/drm/amd/display/dc/dc_types.h
index fd6dca735714..6d7989b751e2 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_types.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_types.h
@@ -178,6 +178,7 @@ struct dc_panel_patch {
unsigned int skip_avmute;
unsigned int mst_start_top_delay;
unsigned int remove_sink_ext_caps;
+ unsigned int disable_colorimetry;
};
struct dc_edid_caps {