linux-kernel - Re: [PATCH] drm/virtio: move byteorder handling into virtio_gpu_cmd_transfer_to_host

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Date:   Tue, 22 Oct 2019 11:06:21 +0200
From:   Daniel Vetter <daniel@...ll.ch>
To:     Gerd Hoffmann <kraxel@...hat.com>
Cc:     dri-devel@...ts.freedesktop.org, David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        "open list:VIRTIO GPU DRIVER" 
        <virtualization@...ts.linux-foundation.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm/virtio: move byteorder handling into
 virtio_gpu_cmd_transfer_to_host_2d function

On Fri, Oct 18, 2019 at 02:23:52PM +0200, Gerd Hoffmann wrote:
> Be consistent with the rest of the code base.
> 
> Signed-off-by: Gerd Hoffmann <kraxel@...hat.com>

Assuming sparse is all still pleased:

Reviewed-by: Daniel Vetter <daniel.vetter@...ll.ch>

> ---
>  drivers/gpu/drm/virtio/virtgpu_drv.h   |  4 ++--
>  drivers/gpu/drm/virtio/virtgpu_plane.c | 12 ++++++------
>  drivers/gpu/drm/virtio/virtgpu_vq.c    | 12 ++++++------
>  3 files changed, 14 insertions(+), 14 deletions(-)
> 
> diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.h b/drivers/gpu/drm/virtio/virtgpu_drv.h
> index 314e02f94d9c..0b56ba005e25 100644
> --- a/drivers/gpu/drm/virtio/virtgpu_drv.h
> +++ b/drivers/gpu/drm/virtio/virtgpu_drv.h
> @@ -267,8 +267,8 @@ void virtio_gpu_cmd_unref_resource(struct virtio_gpu_device *vgdev,
>  				   uint32_t resource_id);
>  void virtio_gpu_cmd_transfer_to_host_2d(struct virtio_gpu_device *vgdev,
>  					uint64_t offset,
> -					__le32 width, __le32 height,
> -					__le32 x, __le32 y,
> +					uint32_t width, uint32_t height,
> +					uint32_t x, uint32_t y,
>  					struct virtio_gpu_object_array *objs,
>  					struct virtio_gpu_fence *fence);
>  void virtio_gpu_cmd_resource_flush(struct virtio_gpu_device *vgdev,
> diff --git a/drivers/gpu/drm/virtio/virtgpu_plane.c b/drivers/gpu/drm/virtio/virtgpu_plane.c
> index f4b7360282ce..390524143139 100644
> --- a/drivers/gpu/drm/virtio/virtgpu_plane.c
> +++ b/drivers/gpu/drm/virtio/virtgpu_plane.c
> @@ -132,10 +132,10 @@ static void virtio_gpu_primary_plane_update(struct drm_plane *plane,
>  			virtio_gpu_array_add_obj(objs, vgfb->base.obj[0]);
>  			virtio_gpu_cmd_transfer_to_host_2d
>  				(vgdev, 0,
> -				 cpu_to_le32(plane->state->src_w >> 16),
> -				 cpu_to_le32(plane->state->src_h >> 16),
> -				 cpu_to_le32(plane->state->src_x >> 16),
> -				 cpu_to_le32(plane->state->src_y >> 16),
> +				 plane->state->src_w >> 16,
> +				 plane->state->src_h >> 16,
> +				 plane->state->src_x >> 16,
> +				 plane->state->src_y >> 16,
>  				 objs, NULL);
>  		}
>  	} else {
> @@ -234,8 +234,8 @@ static void virtio_gpu_cursor_plane_update(struct drm_plane *plane,
>  		virtio_gpu_array_add_obj(objs, vgfb->base.obj[0]);
>  		virtio_gpu_cmd_transfer_to_host_2d
>  			(vgdev, 0,
> -			 cpu_to_le32(plane->state->crtc_w),
> -			 cpu_to_le32(plane->state->crtc_h),
> +			 plane->state->crtc_w,
> +			 plane->state->crtc_h,
>  			 0, 0, objs, vgfb->fence);
>  		dma_fence_wait(&vgfb->fence->f, true);
>  		dma_fence_put(&vgfb->fence->f);
> diff --git a/drivers/gpu/drm/virtio/virtgpu_vq.c b/drivers/gpu/drm/virtio/virtgpu_vq.c
> index 80176f379ad5..74ad3bc3ebe8 100644
> --- a/drivers/gpu/drm/virtio/virtgpu_vq.c
> +++ b/drivers/gpu/drm/virtio/virtgpu_vq.c
> @@ -549,8 +549,8 @@ void virtio_gpu_cmd_resource_flush(struct virtio_gpu_device *vgdev,
>  
>  void virtio_gpu_cmd_transfer_to_host_2d(struct virtio_gpu_device *vgdev,
>  					uint64_t offset,
> -					__le32 width, __le32 height,
> -					__le32 x, __le32 y,
> +					uint32_t width, uint32_t height,
> +					uint32_t x, uint32_t y,
>  					struct virtio_gpu_object_array *objs,
>  					struct virtio_gpu_fence *fence)
>  {
> @@ -571,10 +571,10 @@ void virtio_gpu_cmd_transfer_to_host_2d(struct virtio_gpu_device *vgdev,
>  	cmd_p->hdr.type = cpu_to_le32(VIRTIO_GPU_CMD_TRANSFER_TO_HOST_2D);
>  	cmd_p->resource_id = cpu_to_le32(bo->hw_res_handle);
>  	cmd_p->offset = cpu_to_le64(offset);
> -	cmd_p->r.width = width;
> -	cmd_p->r.height = height;
> -	cmd_p->r.x = x;
> -	cmd_p->r.y = y;
> +	cmd_p->r.width = cpu_to_le32(width);
> +	cmd_p->r.height = cpu_to_le32(height);
> +	cmd_p->r.x = cpu_to_le32(x);
> +	cmd_p->r.y = cpu_to_le32(y);
>  
>  	virtio_gpu_queue_fenced_ctrl_buffer(vgdev, vbuf, &cmd_p->hdr, fence);
>  }
> -- 
> 2.18.1
> 

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