drm/amdgpu: drop scratch regs save and restore from GPU reset handling

The expectation is that the base driver doesn't mess with these.
Some components interact with these directly so let the components
handle these directly.

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index ca1cf8a71dda1c0af6c636ed4fa5cd1dcdd6b49a..046b9d5bc14d2d603cbcc090e88f3dbcd45919ad 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2896,9 +2896,7 @@ static int amdgpu_reset(struct amdgpu_device *adev, uint64_t* reset_flags)
                r = amdgpu_suspend(adev);
 
 retry:
-               amdgpu_atombios_scratch_regs_save(adev);
                r = amdgpu_asic_reset(adev);
-               amdgpu_atombios_scratch_regs_restore(adev);
                /* post card */
                amdgpu_atom_asic_init(adev->mode_info.atom_context);