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drm/imx: ipuv3-plane: request modeset if plane offsets changed 

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@pengutronix.de>
Acked-by: Liu Ying <gnuiyl@gmail.com>
This commit is contained in:
Philipp Zabel 2016-10-18 12:13:15 +02:00
parent 86126748cd
commit 181c9bfe4b
1 changed files with 2 additions and 4 deletions
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6
drivers/gpu/drm/imx/ipuv3-plane.c
View File

@ -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])