[PATCH 3/9] drm/imx: ipuv3-plane: request modeset if plane offsets changed

[Ying Liu]

On Wed, Oct 19, 2016 at 12:07 AM, Philipp Zabel  
wrote:
> If the framebuffer pixel format is planar YUV and unchanged, but the U
> or V plane offsets change, do not return an error, but request a modeset
> instead.
>
> Signed-off-by: Philipp Zabel 

Acked-by: Liu Ying 

> ---
>  drivers/gpu/drm/imx/ipuv3-plane.c | 6 ++
>  1 file changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/imx/ipuv3-plane.c 
> b/drivers/gpu/drm/imx/ipuv3-plane.c
> index d4a771c..f217444 100644
> --- a/drivers/gpu/drm/imx/ipuv3-plane.c
> +++ b/drivers/gpu/drm/imx/ipuv3-plane.c
> @@ -356,13 +356,11 @@ static int ipu_plane_atomic_check(struct drm_plane 
> *plane,
> if ((ubo > 0xf8) || (vbo > 0xf8))
> return -EINVAL;
>
> -   if (old_fb &&
> -   (old_fb->pixel_format == DRM_FORMAT_YUV420 ||
> -old_fb->pixel_format == DRM_FORMAT_YVU420)) {
> +   if (old_fb && (fb->pixel_format == old_fb->pixel_format)) {
> old_ubo = drm_plane_state_to_ubo(old_state);
> old_vbo = drm_plane_state_to_vbo(old_state);
> if (ubo != old_ubo || vbo != old_vbo)
> -   return -EINVAL;
> +   crtc_state->mode_changed = true;
> }
>
> if (fb->pitches[1] != fb->pitches[2])
> --
> 2.9.3
>

[PATCH 3/9] drm/imx: ipuv3-plane: request modeset if plane offsets changed

[Philipp Zabel]

If the framebuffer pixel format is planar YUV and unchanged, but the U
or V plane offsets change, do not return an error, but request a modeset
instead.

Signed-off-by: Philipp Zabel 
---
 drivers/gpu/drm/imx/ipuv3-plane.c | 6 ++
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/imx/ipuv3-plane.c 
b/drivers/gpu/drm/imx/ipuv3-plane.c
index d4a771c..f217444 100644
--- a/drivers/gpu/drm/imx/ipuv3-plane.c
+++ b/drivers/gpu/drm/imx/ipuv3-plane.c
@@ -356,13 +356,11 @@ static int ipu_plane_atomic_check(struct drm_plane *plane,
if ((ubo > 0xf8) || (vbo > 0xf8))
return -EINVAL;

-   if (old_fb &&
-   (old_fb->pixel_format == DRM_FORMAT_YUV420 ||
-old_fb->pixel_format == DRM_FORMAT_YVU420)) {
+   if (old_fb && (fb->pixel_format == old_fb->pixel_format)) {
old_ubo = drm_plane_state_to_ubo(old_state);
old_vbo = drm_plane_state_to_vbo(old_state);
if (ubo != old_ubo || vbo != old_vbo)
-   return -EINVAL;
+   crtc_state->mode_changed = true;
}

if (fb->pitches[1] != fb->pitches[2])
-- 
2.9.3