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-rw-r--r--drivers/gpu/drm/drm_atomic_helper.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index 5d30592c83cd..5e68c3c7d5cf 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -280,6 +280,8 @@ mode_fixup(struct drm_atomic_state *state)
*/
encoder = conn_state->best_encoder;
funcs = encoder->helper_private;
+ if (!funcs)
+ continue;
if (encoder->bridge && encoder->bridge->funcs->mode_fixup) {
ret = encoder->bridge->funcs->mode_fixup(
@@ -317,6 +319,9 @@ mode_fixup(struct drm_atomic_state *state)
continue;
funcs = crtc->helper_private;
+ if (!funcs->mode_fixup)
+ continue;
+
ret = funcs->mode_fixup(crtc, &crtc_state->mode,
&crtc_state->adjusted_mode);
if (!ret) {