summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/gpu/drm/amd/amdgpu/si.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/si.c b/drivers/gpu/drm/amd/amdgpu/si.c
index 9d769222784c..f7288372ee61 100644
--- a/drivers/gpu/drm/amd/amdgpu/si.c
+++ b/drivers/gpu/drm/amd/amdgpu/si.c
@@ -1918,6 +1918,14 @@ static int si_set_vce_clocks(struct amdgpu_device *adev, u32 evclk, u32 ecclk)
~VCEPLL_BYPASS_EN_MASK);
if (!evclk || !ecclk) {
+ /*
+ * On some chips, the PLL takes way too long to get out of
+ * sleep mode, causing a timeout waiting on CTLACK/CTLACK2.
+ * Leave the PLL running in bypass mode.
+ */
+ if (adev->pdev->device == 0x6780)
+ return 0;
+
/* Keep the Bypass mode, put PLL to sleep */
WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL, VCEPLL_SLEEP_MASK,
~VCEPLL_SLEEP_MASK);