Re: [PATCH 2/2] drm/virtio: Remove open-coded commit-tail function

[Sam Ravnborg <sam-uyr5N9Q2VtJg9hUCZPvPmw@public.gmane.org>]

On Thu, Jul 09, 2020 at 02:33:39PM +0200, Daniel Vetter wrote:
> Exactly matches the one in the helpers.
> 
> This avoids me having to roll out dma-fence critical section
> annotations to this copy.
> 
> Signed-off-by: Daniel Vetter <daniel.vetter-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
> Cc: David Airlie <airlied-cv59FeDIM0c@public.gmane.org>
> Cc: Gerd Hoffmann <kraxel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
> Cc: virtualization-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org
> ---
>  drivers/gpu/drm/virtio/virtgpu_display.c | 20 --------------------
>  1 file changed, 20 deletions(-)
Very nice catch:
Reviewed-by: Sam Ravnborg <sam-uyr5N9Q2VtJg9hUCZPvPmw@public.gmane.org>

> 
> diff --git a/drivers/gpu/drm/virtio/virtgpu_display.c b/drivers/gpu/drm/virtio/virtgpu_display.c
> index f3ce49c5a34c..af55b334be2f 100644
> --- a/drivers/gpu/drm/virtio/virtgpu_display.c
> +++ b/drivers/gpu/drm/virtio/virtgpu_display.c
> @@ -314,25 +314,6 @@ virtio_gpu_user_framebuffer_create(struct drm_device *dev,
>  	return &virtio_gpu_fb->base;
>  }
>  
> -static void vgdev_atomic_commit_tail(struct drm_atomic_state *state)
> -{
> -	struct drm_device *dev = state->dev;
> -
> -	drm_atomic_helper_commit_modeset_disables(dev, state);
> -	drm_atomic_helper_commit_modeset_enables(dev, state);
> -	drm_atomic_helper_commit_planes(dev, state, 0);
> -
> -	drm_atomic_helper_fake_vblank(state);
> -	drm_atomic_helper_commit_hw_done(state);
> -
> -	drm_atomic_helper_wait_for_vblanks(dev, state);
> -	drm_atomic_helper_cleanup_planes(dev, state);
> -}
> -
> -static const struct drm_mode_config_helper_funcs virtio_mode_config_helpers = {
> -	.atomic_commit_tail = vgdev_atomic_commit_tail,
> -};
> -
>  static const struct drm_mode_config_funcs virtio_gpu_mode_funcs = {
>  	.fb_create = virtio_gpu_user_framebuffer_create,
>  	.atomic_check = drm_atomic_helper_check,
> @@ -346,7 +327,6 @@ void virtio_gpu_modeset_init(struct virtio_gpu_device *vgdev)
>  	drm_mode_config_init(vgdev->ddev);
>  	vgdev->ddev->mode_config.quirk_addfb_prefer_host_byte_order = true;
>  	vgdev->ddev->mode_config.funcs = &virtio_gpu_mode_funcs;
> -	vgdev->ddev->mode_config.helper_private = &virtio_mode_config_helpers;
>  
>  	/* modes will be validated against the framebuffer size */
>  	vgdev->ddev->mode_config.min_width = XRES_MIN;
> -- 
> 2.27.0
> 
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