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Commit 4109e7f7 authored by Rob Herring's avatar Rob Herring Committed by Dave Airlie
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drm: virtio-gpu: transfer dumb buffers to host on plane update 



For dumb buffers, we need to transfer them to the host when updating a
plane.

Signed-off-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent bd17d1c7

drivers/gpu/drm/virtio/virtgpu_plane.c

+7 −0
Original line number Diff line number Diff line
@@ -72,6 +72,13 @@ static void virtio_gpu_plane_atomic_update(struct drm_plane *plane, 
		vgfb = to_virtio_gpu_framebuffer(plane->state->fb);

		bo = gem_to_virtio_gpu_obj(vgfb->obj);

		handle = bo->hw_res_handle;

		if (bo->dumb) {

			virtio_gpu_cmd_transfer_to_host_2d

				(vgdev, handle, 0,

				 cpu_to_le32(plane->state->crtc_w),

				 cpu_to_le32(plane->state->crtc_h),

				 plane->state->crtc_x, plane->state->crtc_y, NULL);

		}

	} else {

		handle = 0;

	}