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_v10_0.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c 
b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
index 2568eeaae9454..7a8e86efdfe40 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
@@ -64,6 +64,7 @@ gmc_v10_0_vm_fault_interrupt_state(struct amdgpu_device *adev,
                                   struct amdgpu_irq_src *src, unsigned int 
type,
                                   enum amdgpu_interrupt_state state)
 {
+       amdgpu_gfx_off_ctrl(adev, false);
        switch (state) {
        case AMDGPU_IRQ_STATE_DISABLE:
                /* MM HUB */
@@ -92,6 +93,7 @@ gmc_v10_0_vm_fault_interrupt_state(struct amdgpu_device *adev,
        default:
                break;
        }
+       amdgpu_gfx_off_ctrl(adev, true);
 
        return 0;
 }
-- 
2.52.0

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