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authorAlex Deucher <alexander.deucher@amd.com>2016-03-28 17:21:20 +0300
committerAlex Deucher <alexander.deucher@amd.com>2016-03-28 17:21:20 +0300
commit0e5585dc870af947fab2af96a88c2d8b4270247c (patch)
tree85f4a8c322752e680439072048c5a24b98c45ba2 /drivers/gpu
parenta64663d9870364bd2a2df62bf0d3a9fbe5ea62a8 (diff)
downloadlinux-0e5585dc870af947fab2af96a88c2d8b4270247c.tar.xz
drm/radeon: add a dpm quirk for all R7 370 parts
Higher mclk values are not stable due to a bug somewhere. Limit them for now. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/radeon/si_dpm.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c
index a280a3201832..af4df81c4e0c 100644
--- 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(struct radeon_device *rdev,
}
++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;