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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_device.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index a1364778bd3b..153d0ca23ea3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1951,6 +1951,8 @@ int amdgpu_gpu_reset(struct amdgpu_device *adev)
/* block TTM */
resched = ttm_bo_lock_delayed_workqueue(&adev->mman.bdev);
+ /* save scratch */
+ amdgpu_atombios_scratch_regs_save(adev);
r = amdgpu_suspend(adev);
for (i = 0; i < AMDGPU_MAX_RINGS; ++i) {
@@ -1975,7 +1977,8 @@ retry:
dev_info(adev->dev, "GPU reset succeeded, trying to resume\n");
r = amdgpu_resume(adev);
}
-
+ /* restore scratch */
+ amdgpu_atombios_scratch_regs_restore(adev);
if (!r) {
for (i = 0; i < AMDGPU_MAX_RINGS; ++i) {
struct amdgpu_ring *ring = adev->rings[i];