staging: drm/imx: don't drop crtc offsets when doing pageflip
CRTC offsets are only set with the initial modeset, any
subseqent pageflips assume them to be kept the same, so
we need to remember the current state until another modeset
changes it.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/imx-drm/ipuv3-plane.c b/drivers/staging/imx-drm/ipuv3-plane.c
index 2ef9516..34b642a 100644
--- a/drivers/staging/imx-drm/ipuv3-plane.c
+++ b/drivers/staging/imx-drm/ipuv3-plane.c
@@ -83,6 +83,10 @@
ipu_cpmem_set_buffer(cpmem, 0, eba);
ipu_cpmem_set_buffer(cpmem, 1, eba);
+ /* cache offsets for subsequent pageflips */
+ ipu_plane->x = x;
+ ipu_plane->y = y;
+
return 0;
}
