This is a note to let you know that I've just added the patch titled
drm/amd/display: Enable 2 to 1 ODM policy if supported
to the 6.0-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-enable-2-to-1-odm-policy-if-supported.patch
and it can be found in the queue-6.0 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 54fae65ff469a79fc0ca46f480c4e7fce50f3963 Mon Sep 17 00:00:00 2001
From: Rodrigo Siqueira <Rodrigo.Siqueira@xxxxxxx>
Date: Tue, 20 Sep 2022 16:06:36 -0400
Subject: drm/amd/display: Enable 2 to 1 ODM policy if supported
From: Rodrigo Siqueira <Rodrigo.Siqueira@xxxxxxx>
commit 54fae65ff469a79fc0ca46f480c4e7fce50f3963 upstream.
If the current configuration supports 2 to 1 ODM policy, let's also
enable the windowed MPO feature.
Reviewed-by: Aurabindo Pillai <aurabindo.pillai@xxxxxxx>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx # 6.0.x
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c | 4 ++++
1 file changed, 4 insertions(+)
--- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c
@@ -1001,6 +1001,10 @@ void dcn32_init_hw(struct dc *dc)
dc_dmub_srv_query_caps_cmd(dc->ctx->dmub_srv->dmub);
dc->caps.dmub_caps.psr = dc->ctx->dmub_srv->dmub->feature_caps.psr;
}
+
+ /* Enable support for ODM and windowed MPO if policy flag is set */
+ if (dc->debug.enable_single_display_2to1_odm_policy)
+ dc->config.enable_windowed_mpo_odm = true;
}
static int calc_mpc_flow_ctrl_cnt(const struct dc_stream_state *stream,
Patches currently in stable-queue which might be from Rodrigo.Siqueira@xxxxxxx are
queue-6.0/drm-amd-display-fix-watermark-calculation.patch
queue-6.0/drm-amd-display-add-hubp-surface-flip-interrupt-handler.patch
queue-6.0/drm-amd-display-fix-vblank-refcount-in-vrr-transition.patch
queue-6.0/drm-amd-display-enable-2-to-1-odm-policy-if-supported.patch
queue-6.0/drm-amd-display-zeromem-mypipe-heap-struct-before-using-it.patch
