This is a note to let you know that I've just added the patch titled
drm/amd/display: Set VSC SDP Colorimetry same way for MST and SST
to the 6.6-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-amd-display-set-vsc-sdp-colorimetry-same-way-for-mst-and-sst.patch
and it can be found in the queue-6.6 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From c3e2a5f2da904a18661335e8be2b961738574998 Mon Sep 17 00:00:00 2001
From: Harry Wentland <harry.wentland@xxxxxxx>
Date: Thu, 21 Mar 2024 11:13:38 -0400
Subject: drm/amd/display: Set VSC SDP Colorimetry same way for MST and SST
From: Harry Wentland <harry.wentland@xxxxxxx>
commit c3e2a5f2da904a18661335e8be2b961738574998 upstream.
The previous check for the is_vsc_sdp_colorimetry_supported flag
for MST sink signals did nothing. Simplify the code and use the
same check for MST and SST.
Cc: stable@xxxxxxxxxxxxxxx
Reviewed-by: Agustin Gutierrez <agustin.gutierrez@xxxxxxx>
Acked-by: Hamza Mahfooz <hamza.mahfooz@xxxxxxx>
Signed-off-by: Harry Wentland <harry.wentland@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 12 +++---------
1 file changed, 3 insertions(+), 9 deletions(-)
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -6129,15 +6129,9 @@ create_stream_for_sink(struct amdgpu_dm_
// should decide stream support vsc sdp colorimetry capability
// before building vsc info packet
//
- stream->use_vsc_sdp_for_colorimetry = false;
- if (aconnector->dc_sink->sink_signal == SIGNAL_TYPE_DISPLAY_PORT_MST) {
- stream->use_vsc_sdp_for_colorimetry =
- aconnector->dc_sink->is_vsc_sdp_colorimetry_supported;
- } else {
- if (stream->link->dpcd_caps.dpcd_rev.raw >= 0x14 &&
- stream->link->dpcd_caps.dprx_feature.bits.VSC_SDP_COLORIMETRY_SUPPORTED)
- stream->use_vsc_sdp_for_colorimetry = true;
- }
+ 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;
+
if (stream->out_transfer_func->tf == TRANSFER_FUNCTION_GAMMA22)
tf = TRANSFER_FUNC_GAMMA_22;
mod_build_vsc_infopacket(stream, &stream->vsc_infopacket, stream->output_color_space, tf);
Patches currently in stable-queue which might be from harry.wentland@xxxxxxx are
queue-6.6/drm-amd-display-program-vsc-sdp-colorimetry-for-all-dp-sinks-1.4.patch
queue-6.6/drm-amd-display-set-vsc-sdp-colorimetry-same-way-for-mst-and-sst.patch
