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authorTom St Denis <tom.stdenis@amd.com>2016-10-13 17:46:45 -0400
committerAlex Deucher <alexander.deucher@amd.com>2016-10-13 19:18:57 -0400
commitaee3960a0ca34f8bf7dbcdb330c4f37a0f94dd8a (patch)
tree281ee97e914c1de6438fe88170615b8bcdf51644 /drivers
parent24e8df6a6837d6cff182e84b838dc1d6971251fc (diff)
downloadlinux-aee3960a0ca34f8bf7dbcdb330c4f37a0f94dd8a.tar.bz2
drm/amdgpu/si_dpm: Limit clocks on HD86xx part
Limit clocks on a specific HD86xx part to avoid crashes (while awaiting an appropriate PP fix). Signed-off-by: Tom St Denis <tom.stdenis@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/si_dpm.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/si_dpm.c b/drivers/gpu/drm/amd/amdgpu/si_dpm.c
index 8bd08925b370..3de7bca5854b 100644
--- a/drivers/gpu/drm/amd/amdgpu/si_dpm.c
+++ b/drivers/gpu/drm/amd/amdgpu/si_dpm.c
@@ -3499,6 +3499,12 @@ static void si_apply_state_adjust_rules(struct amdgpu_device *adev,
max_sclk = 75000;
max_mclk = 80000;
}
+ /* Limit clocks for some HD8600 parts */
+ if (adev->pdev->device == 0x6660 &&
+ adev->pdev->revision == 0x83) {
+ max_sclk = 75000;
+ max_mclk = 80000;
+ }
if (rps->vce_active) {
rps->evclk = adev->pm.dpm.vce_states[adev->pm.dpm.vce_level].evclk;