Need to make sure gfxoff is disallowed when we touch GC registers over MMIO.
Cc: Yifan Zhang <[email protected]> Signed-off-by: Alex Deucher <[email protected]> --- drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index e35ed0cc2ec62..335163be45c1c 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -468,6 +468,7 @@ static int gmc_v9_0_vm_fault_interrupt_state(struct amdgpu_device *adev, struct amdgpu_vmhub *hub; u32 tmp, reg, bits, i, j; + amdgpu_gfx_off_ctrl(adev, false); bits = VM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | VM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | VM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | @@ -536,6 +537,7 @@ static int gmc_v9_0_vm_fault_interrupt_state(struct amdgpu_device *adev, default: break; } + amdgpu_gfx_off_ctrl(adev, true); return 0; } -- 2.52.0
