[PATCH v3 1/2] drm/virtio: Use drm_gem_plane_helper_prepare_fb()

[Kasireddy, Vivek]

> Subject: [PATCH v3 1/2] drm/virtio: Use
> drm_gem_plane_helper_prepare_fb()
> 
> From: Dongwon Kim <dongwon.kim at intel.com>
> 
> Use drm_gem_plane_helper_prepare_fb() helper for explicit framebuffer
> synchronization. We need to wait for explicit fences in a case of
> Venus and native contexts when guest user space uses explicit fencing.
> 
> Signed-off-by: Dongwon Kim <dongwon.kim at intel.com>
> [dmitry.osipenko at collabora.com>: Edit commit message]
> Signed-off-by: Dmitry Osipenko <dmitry.osipenko at collabora.com>
> ---
>  drivers/gpu/drm/virtio/virtgpu_plane.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/gpu/drm/virtio/virtgpu_plane.c
> b/drivers/gpu/drm/virtio/virtgpu_plane.c
> index a72a2dbda031..ab7232921cb7 100644
> --- a/drivers/gpu/drm/virtio/virtgpu_plane.c
> +++ b/drivers/gpu/drm/virtio/virtgpu_plane.c
> @@ -26,6 +26,7 @@
>  #include <drm/drm_atomic_helper.h>
>  #include <drm/drm_damage_helper.h>
>  #include <drm/drm_fourcc.h>
> +#include <drm/drm_gem_atomic_helper.h>
> 
>  #include "virtgpu_drv.h"
> 
> @@ -254,6 +255,9 @@ static int virtio_gpu_plane_prepare_fb(struct
> drm_plane *plane,
> 
>  	vgfb = to_virtio_gpu_framebuffer(new_state->fb);
>  	bo = gem_to_virtio_gpu_obj(vgfb->base.obj[0]);
> +
> +	drm_gem_plane_helper_prepare_fb(plane, new_state);
> +
Acked-by: Vivek Kasireddy <vivek.kasireddy at intel.com>

>  	if (!bo || (plane->type == DRM_PLANE_TYPE_PRIMARY && !bo-
> >guest_blob))
>  		return 0;
> 
> --
> 2.47.0