Change-Id: If44008e814a2708095c2eb5c1760f331ca260283
Signed-off-by: Chunming Zhou <David1.Zhou at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 66d690e..c2acef9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1948,6 +1948,8 @@ int amdgpu_gpu_reset(struct amdgpu_device *adev)
if (amdgpu_device_has_dal_support(adev))
state = drm_atomic_helper_suspend(adev->ddev);
+ /* save scratch */
+ amdgpu_atombios_scratch_regs_save(adev);
r = amdgpu_suspend(adev);
for (i = 0; i < AMDGPU_MAX_RINGS; ++i) {
@@ -1972,7 +1974,8 @@ 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];
--
1.9.1
