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drm/amdgpu: don't evict vram on APUs for suspend to ram (v4) 

Vram is system memory, so no need to evict.

v2: use PM_EVENT messages
v3: use correct dev
v4: use driver flags

Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
rM2-mainline
Alex Deucher 2021-03-09 23:20:46 -05:00
parent 8914089a20
commit e13d002bbf
1 changed files with 2 additions and 5 deletions
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7
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
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@ -1028,13 +1028,10 @@ int amdgpu_bo_evict_vram(struct amdgpu_device *adev)
{
struct ttm_resource_manager *man;
/* late 2.6.33 fix IGP hibernate - we need pm ops to do this correct */
#ifndef CONFIG_HIBERNATION
if (adev->flags & AMD_IS_APU) {
/* Useless to evict on IGP chips */
if (adev->in_s3 && (adev->flags & AMD_IS_APU)) {
/* No need to evict vram on APUs for suspend to ram */
return 0;
}
#endif
man = ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM);
return ttm_resource_manager_evict_all(&adev->mman.bdev, man);