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Commit 181c9bfe authored by Philipp Zabel's avatar Philipp Zabel
Browse files

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: default avatarPhilipp Zabel <p.zabel@pengutronix.de>
Acked-by: default avatarLiu Ying <gnuiyl@gmail.com>
parent 86126748

drivers/gpu/drm/imx/ipuv3-plane.c

+2 −4
Original line number Diff line number Diff line
@@ -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])