On Wed, Oct 19, 2016 at 12:07 AM, Philipp Zabel <p.zabel@xxxxxxxxxxxxxx> 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 <p.zabel@xxxxxxxxxxxxxx>
Acked-by: Liu Ying <gnuiyl@xxxxxxxxx>
> ---
> 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 > 0xfffff8) || (vbo > 0xfffff8))
> 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
>
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