From: Tom St Denis <tstdenis82@xxxxxxxxx>
Limit clocks on a specific HD86xx part to avoid
crashes (while awaiting an appropriate PP fix).
Signed-off-by: Tom St Denis <tom.stdenis at amd.com>
---
drivers/gpu/drm/amd/amdgpu/si_dpm.c | 6 ++++++
1 file changed, 6 insertions(+)
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;
--
2.10.0
