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From: <gregkh@linuxfoundation.org>
To: alvin.lee2@amd.com, Nevenko.Stupar@amd.com,
	alexander.deucher@amd.com, daniel.wheeler@amd.com,
	mario.limonciello@amd.com, stylon.wang@amd.com
Cc: <stable@vger.kernel.org>
Subject: FAILED: patch "[PATCH] drm/amd/display: Reduce sdp bw after urgent to 90%" failed to apply to 6.1-stable tree
Date: Fri, 21 Jul 2023 09:24:27 +0200	[thread overview]
Message-ID: <2023072127-agonizing-eardrum-f3f9@gregkh> (raw)


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


                 reply	other threads:[~2023-07-21  7:24 UTC|newest]

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