[V2 09/11] drm/amdgpu/virt: enable virtual display

Deucher, Alexander Alexander.Deucher at amd.com
Tue Jan 10 15:44:08 UTC 2017


> -----Original Message-----
> From: amd-gfx [mailto:amd-gfx-bounces at lists.freedesktop.org] On Behalf
> Of Xiangliang Yu
> Sent: Tuesday, January 10, 2017 5:01 AM
> To: amd-gfx at lists.freedesktop.org
> Cc: Yu, Xiangliang
> Subject: [V2 09/11] drm/amdgpu/virt: enable virtual display
> 
> Virtual display is default setting for virtualization, enable it.
> 
> Signed-off-by: Xiangliang Yu <Xiangliang.Yu at amd.com>
> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
> index f32a789..5baca9f 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
> @@ -25,6 +25,9 @@
> 
>  void amdgpu_virt_init_setting(struct amdgpu_device *adev)
>  {
> +	/* enable virtual display */
> +	adev->mode_info.num_crtc = 1;
> +

Should probably also set adev->enable_virtual_display = true here.  With that fixed:
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>

As a follow on patch, it would be nice to rework amdgpu_device_enable_virtual_display() to set some sensible defaults in the sr-iov case, so it's all handled in one place.

Alex

>  	mutex_init(&adev->virt.lock);
>  }
> 
> --
> 2.7.4
> 
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