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drm/amdgpu: drop scratch regs save and restore from S3/S4 handling

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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>
This commit is contained in:
Alex Deucher 2017-12-12 15:20:22 -05:00
parent e466c2935f
commit 4ec6ecf48c
1 changed files with 0 additions and 2 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
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@ -2577,7 +2577,6 @@ int amdgpu_device_suspend(struct drm_device *dev, bool suspend, bool fbcon)
*/ */
amdgpu_bo_evict_vram(adev); amdgpu_bo_evict_vram(adev);
amdgpu_atombios_scratch_regs_save(adev);
pci_save_state(dev->pdev); pci_save_state(dev->pdev);
if (suspend) { if (suspend) {
/* Shut down the device */ /* Shut down the device */
@ -2626,7 +2625,6 @@ int amdgpu_device_resume(struct drm_device *dev, bool resume, bool fbcon)
if (r) if (r)
goto unlock; goto unlock;
} }
amdgpu_atombios_scratch_regs_restore(adev);
/* post card */ /* post card */
if (amdgpu_need_post(adev)) { if (amdgpu_need_post(adev)) {