* FAILED: patch "[PATCH] drm/amd/display: Reduce sdp bw after urgent to 90%" failed to apply to 6.1-stable tree
@ 2023-07-21 7:24 gregkh
0 siblings, 0 replies; only message in thread
From: gregkh @ 2023-07-21 7:24 UTC (permalink / raw)
To: alvin.lee2, Nevenko.Stupar, alexander.deucher, daniel.wheeler,
mario.limonciello, stylon.wang
Cc: stable
The patch below does not apply to the 6.1-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@vger.kernel.org>.
To reproduce the conflict and resubmit, you may use the following commands:
git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.1.y
git checkout FETCH_HEAD
git cherry-pick -x bbd069a860b78a087d20d91656a5026c0196586b
# <resolve conflicts, build, test, etc.>
git commit -s
git send-email --to '<stable@vger.kernel.org>' --in-reply-to '2023072127-agonizing-eardrum-f3f9@gregkh' --subject-prefix 'PATCH 6.1.y' HEAD^..
Possible dependencies:
bbd069a860b7 ("drm/amd/display: Reduce sdp bw after urgent to 90%")
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
From bbd069a860b78a087d20d91656a5026c0196586b Mon Sep 17 00:00:00 2001
From: Alvin Lee <alvin.lee2@amd.com>
Date: Fri, 19 May 2023 11:38:15 -0400
Subject: [PATCH] drm/amd/display: Reduce sdp bw after urgent to 90%
[Description]
Reduce expected SDP bandwidth due to poor QoS and
arbitration issues on high bandwidth configs
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Acked-by: Stylon Wang <stylon.wang@amd.com>
Signed-off-by: Alvin Lee <alvin.lee2@amd.com>
Reviewed-by: Nevenko Stupar <Nevenko.Stupar@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
index 7e03c844b05e..ad6ee48580f8 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
@@ -147,7 +147,7 @@ struct _vcs_dpi_soc_bounding_box_st dcn3_2_soc = {
.urgent_out_of_order_return_per_channel_pixel_only_bytes = 4096,
.urgent_out_of_order_return_per_channel_pixel_and_vm_bytes = 4096,
.urgent_out_of_order_return_per_channel_vm_only_bytes = 4096,
- .pct_ideal_sdp_bw_after_urgent = 100.0,
+ .pct_ideal_sdp_bw_after_urgent = 90.0,
.pct_ideal_fabric_bw_after_urgent = 67.0,
.pct_ideal_dram_sdp_bw_after_urgent_pixel_only = 20.0,
.pct_ideal_dram_sdp_bw_after_urgent_pixel_and_vm = 60.0, // N/A, for now keep as is until DML implemented
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2023-07-21 7:24 FAILED: patch "[PATCH] drm/amd/display: Reduce sdp bw after urgent to 90%" failed to apply to 6.1-stable tree gregkh
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