17 lines
712 B
Diff
17 lines
712 B
Diff
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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@@ -14232,6 +14232,12 @@ void amdgpu_dm_update_freesync_caps(struct drm_connector *connector,
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}
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}
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+ /* HDMI/PCON without an EDID FreeSync VCP code is not FreeSync-capable. */
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+ if ((sink->sink_signal == SIGNAL_TYPE_HDMI_TYPE_A ||
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+ as_type == FREESYNC_TYPE_PCON_IN_WHITELIST) &&
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+ !sink->edid_caps.freesync_vcp_code)
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+ freesync_capable = false;
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+
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/* Handle MCCS */
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if (do_mccs) {
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dm_helpers_read_mccs_caps(adev->dm.dc->ctx, amdgpu_dm_connector->dc_link, sink);
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