The conversion away from the simple display pipeline helper missed
to convert the prepare_fb plane callback, so no fences are attached to
the atomic state, breaking synchronization with other devices. Fix
this by plugging in the drm_gem_fb_prepare_fb helper function.
Fixes: ae1ed009328 (drm: mxsfb: Stop using DRM simple display pipeline helper)
Signed-off-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx>
---
drivers/gpu/drm/mxsfb/mxsfb_kms.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/mxsfb/mxsfb_kms.c b/drivers/gpu/drm/mxsfb/mxsfb_kms.c
index b721b8b262ce..4d556532281a 100644
--- a/drivers/gpu/drm/mxsfb/mxsfb_kms.c
+++ b/drivers/gpu/drm/mxsfb/mxsfb_kms.c
@@ -22,6 +22,7 @@
#include <drm/drm_fb_cma_helper.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_gem_cma_helper.h>
+#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_plane.h>
#include <drm/drm_plane_helper.h>
#include <drm/drm_vblank.h>
@@ -485,11 +486,13 @@ static void mxsfb_plane_overlay_atomic_update(struct drm_plane *plane,
}
static const struct drm_plane_helper_funcs mxsfb_plane_primary_helper_funcs = {
+ .prepare_fb = drm_gem_fb_prepare_fb,
.atomic_check = mxsfb_plane_atomic_check,
.atomic_update = mxsfb_plane_primary_atomic_update,
};
static const struct drm_plane_helper_funcs mxsfb_plane_overlay_helper_funcs = {
+ .prepare_fb = drm_gem_fb_prepare_fb,
.atomic_check = mxsfb_plane_atomic_check,
.atomic_update = mxsfb_plane_overlay_atomic_update,
};
--
2.20.1
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