This is a note to let you know that I've just added the patch titled
drm/radeon: add a dpm quirk for all R7 370 parts
to the 4.5-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-radeon-add-a-dpm-quirk-for-all-r7-370-parts.patch
and it can be found in the queue-4.5 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 0e5585dc870af947fab2af96a88c2d8b4270247c Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@xxxxxxx>
Date: Mon, 28 Mar 2016 10:21:20 -0400
Subject: drm/radeon: add a dpm quirk for all R7 370 parts
From: Alex Deucher <alexander.deucher@xxxxxxx>
commit 0e5585dc870af947fab2af96a88c2d8b4270247c upstream.
Higher mclk values are not stable due to a bug somewhere.
Limit them for now.
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/radeon/si_dpm.c | 4 ++++
1 file changed, 4 insertions(+)
--- a/drivers/gpu/drm/radeon/si_dpm.c
+++ b/drivers/gpu/drm/radeon/si_dpm.c
@@ -3010,6 +3010,10 @@ static void si_apply_state_adjust_rules(
}
++p;
}
+ /* limit mclk on all R7 370 parts for stability */
+ if (rdev->pdev->device == 0x6811 &&
+ rdev->pdev->revision == 0x81)
+ max_mclk = 120000;
if (rps->vce_active) {
rps->evclk = rdev->pm.dpm.vce_states[rdev->pm.dpm.vce_level].evclk;
Patches currently in stable-queue which might be from alexander.deucher@xxxxxxx are
queue-4.5/drm-radeon-add-a-dpm-quirk-for-all-r7-370-parts.patch
queue-4.5/drm-radeon-add-a-dpm-quirk-for-sapphire-dual-x-r7-370-2g-d5.patch
queue-4.5/drm-radeon-add-another-r7-370-quirk.patch
queue-4.5/drm-amd-powerplay-fix-segment-fault-issue-in-multi-display-case.patch
queue-4.5/drm-amdgpu-gmc-use-proper-register-for-vram-type-on-fiji.patch
queue-4.5/drm-amdgpu-gmc-move-vram-type-fetching-into-sw_init.patch
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