[PATCH] drm/amdgpu/virt: fix handling of the atomic flag

[Daniel Vetter]

On Tue, Nov 03, 2020 at 04:54:50PM -0500, Alex Deucher wrote:
> Use the per device drm driver feature flags rather than the
> global one.  This way we can make the drm driver struct const.
> 
> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>

Reviewed-by: Daniel Vetter <daniel.vetter at ffwll.ch>

Can we merge this through drm-misc-next so I can follow up with the
drm_device constification series there? Otherwise I need to sit on that
for another few weeks until all the backmerges are done.
-Daniel

> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
> index d0aea5e39531..8aff6ef50f91 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
> @@ -47,11 +47,13 @@ bool amdgpu_virt_mmio_blocked(struct amdgpu_device *adev)
>  
>  void amdgpu_virt_init_setting(struct amdgpu_device *adev)
>  {
> +	struct drm_device *ddev = adev_to_drm(adev);
> +
>  	/* enable virtual display */
>  	if (adev->mode_info.num_crtc == 0)
>  		adev->mode_info.num_crtc = 1;
>  	adev->enable_virtual_display = true;
> -	adev_to_drm(adev)->driver->driver_features &= ~DRIVER_ATOMIC;
> +	ddev->driver_features &= ~DRIVER_ATOMIC;
>  	adev->cg_flags = 0;
>  	adev->pg_flags = 0;
>  }
> -- 
> 2.25.4
> 

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch