Use drm_atomic_set_fb_for_plane() in the legacy ->page_flip path to track the pointer plane_state->fb correctly.
Signed-off-by: Liu Ying gnuiyl@gmail.com --- v2->v3: * None.
v1->v2: * None.
drivers/gpu/drm/imx/ipuv3-crtc.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/imx/ipuv3-crtc.c b/drivers/gpu/drm/imx/ipuv3-crtc.c index 8a0ef13..7df51e8 100644 --- a/drivers/gpu/drm/imx/ipuv3-crtc.c +++ b/drivers/gpu/drm/imx/ipuv3-crtc.c @@ -18,6 +18,7 @@ #include <linux/device.h> #include <linux/platform_device.h> #include <drm/drmP.h> +#include <drm/drm_atomic.h> #include <drm/drm_atomic_helper.h> #include <drm/drm_crtc_helper.h> #include <linux/fb.h> @@ -217,6 +218,9 @@ static int ipu_page_flip(struct drm_crtc *crtc, ipu_crtc->flip_state = IPU_FLIP_SUBMITTED; }
+ if (crtc->primary->state) + drm_atomic_set_fb_for_plane(crtc->primary->state, fb); + return 0;
free_flip_work: