Re: [PATCH 2/4] drm/atmel-hlcdc: do not swap w/h of the crtc when a plane is rotated

[Boris Brezillon]

On Thu, 10 Jan 2019 15:10:39 +0000
Peter Rosin <peda@xxxxxxxxxx> wrote:

> The destination crtc rectangle is independent of source plane rotation.
> 
> Signed-off-by: Peter Rosin <peda@xxxxxxxxxx>
> ---
>  drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c | 3 ---
>  1 file changed, 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
> index ea8fc0deb814..d6f93f029020 100644
> --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
> +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
> @@ -642,9 +642,6 @@ static int atmel_hlcdc_plane_atomic_check(struct drm_plane *p,
>  	 * Swap width and size in case of 90 or 270 degrees rotation
>  	 */
>  	if (drm_rotation_90_or_270(state->base.rotation)) {
> -		tmp = state->crtc_w;
> -		state->crtc_w = state->crtc_h;
> -		state->crtc_h = tmp;

Again, I guess I assumed ->crtc_h/w were the width and height before
rotation when I initially added rotation support. This change might
break users too.

>  		tmp = state->src_w;
>  		state->src_w = state->src_h;
>  		state->src_h = tmp;