On Wed, Oct 3, 2018 at 7:11 AM Rex Zhu <Rex.Zhu@xxxxxxx> wrote:
>
> driver don't release the ucode memory when suspend. so don't
> need to allocate bo when resume back.
>
> Signed-off-by: Rex Zhu <Rex.Zhu@xxxxxxx>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c
> index 9878212..adfeb93 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c
> @@ -434,7 +434,7 @@ int amdgpu_ucode_init_bo(struct amdgpu_device *adev)
> return 0;
> }
>
> - if (!adev->in_gpu_reset) {
> + if (!adev->in_gpu_reset && !adev->in_suspend) {
> err = amdgpu_bo_create_kernel(adev, adev->firmware.fw_size, PAGE_SIZE,
> amdgpu_sriov_vf(adev) ? AMDGPU_GEM_DOMAIN_VRAM : AMDGPU_GEM_DOMAIN_GTT,
> &adev->firmware.fw_buf,
Not sure if we support S3 in SR-IOV, but I think this will break it
because we'll lose vram contents and not re-init it.
Alex
> --
> 1.9.1
>
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