[PATCH 1/4] SWDEV-227605 - Virtual display need to support multiple ctrcs

[Alex Deucher]

Please fix the subject to be "drm/amdgpu: " rather than SWDEV-....

Alex

On Wed, Mar 25, 2020 at 4:24 AM Emily Deng <Emily.Deng at amd.com> wrote:
>
> The crtc num is determined by virtual_display parameter.
>
> Signed-off-by: Emily Deng <Emily.Deng at amd.com>
> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
> index 43a1ee3..d791bfe 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
> @@ -38,7 +38,8 @@ bool amdgpu_virt_mmio_blocked(struct amdgpu_device *adev)
>  void amdgpu_virt_init_setting(struct amdgpu_device *adev)
>  {
>         /* enable virtual display */
> -       adev->mode_info.num_crtc = 1;
> +       if (adev->mode_info.num_crtc == 0)
> +               adev->mode_info.num_crtc = 1;
>         adev->enable_virtual_display = true;
>         adev->ddev->driver->driver_features &= ~DRIVER_ATOMIC;
>         adev->cg_flags = 0;
> --
> 2.7.4
>
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