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authorAlex Deucher <alexander.deucher@amd.com>2016-09-26 15:32:50 -0400
committerAlex Deucher <alexander.deucher@amd.com>2016-09-27 12:22:29 -0400
commit670bb4fd21c966d0d2a59ad4a99bb4889f9a2987 (patch)
treeb648149857bf721db6d0a4dff0265af07bbdb856 /drivers
parenta951ed85abd4615e98e36b536e3b3b07b22a88ac (diff)
downloadlinux-stericsson-670bb4fd21c966d0d2a59ad4a99bb4889f9a2987.tar.gz
drm/radeon/si/dpm: add workaround for for Jet parts
Add clock quirks for Jet parts. Reviewed-by: Sonny Jiang <sonny.jiang@amd.com> Tested-by: Sonny Jiang <sonny.jiang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/radeon/si_dpm.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c
index e6abc09b67e3..1f78ec2548ec 100644
--- a/drivers/gpu/drm/radeon/si_dpm.c
+++ b/drivers/gpu/drm/radeon/si_dpm.c
@@ -3015,6 +3015,12 @@ static void si_apply_state_adjust_rules(struct radeon_device *rdev,
if (rdev->pdev->device == 0x6811 &&
rdev->pdev->revision == 0x81)
max_mclk = 120000;
+ /* limit sclk/mclk on Jet parts for stability */
+ if (rdev->pdev->device == 0x6665 &&
+ rdev->pdev->revision == 0xc3) {
+ max_sclk = 75000;
+ max_mclk = 80000;
+ }
if (rps->vce_active) {
rps->evclk = rdev->pm.dpm.vce_states[rdev->pm.dpm.vce_level].evclk;