If the clone mode enabled status is changing, a modeset needs to happen
so that the resources can be reassigned
Signed-off-by: Jessica Zhang <quic_jesszhan@xxxxxxxxxxx>
---
drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
index 1b0cc899e8c1..99eaaca405a4 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
@@ -1306,6 +1306,8 @@ static int dpu_crtc_atomic_check(struct drm_crtc *crtc,
int rc = 0;
bool needs_dirtyfb = dpu_crtc_needs_dirtyfb(crtc_state);
+ bool clone_mode_requested = drm_crtc_in_clone_mode(crtc->state);
+ bool clone_mode_enabled = drm_crtc_in_clone_mode(crtc_state);
/* there might be cases where encoder needs a modeset too */
drm_for_each_encoder_mask(drm_enc, crtc->dev, crtc_state->encoder_mask) {
@@ -1313,6 +1315,10 @@ static int dpu_crtc_atomic_check(struct drm_crtc *crtc,
crtc_state->mode_changed = true;
}
+ if ((clone_mode_requested && !clone_mode_enabled) ||
+ (!clone_mode_requested && clone_mode_enabled))
+ crtc_state->mode_changed = true;
+
if (drm_atomic_crtc_needs_modeset(crtc_state)) {
rc = dpu_crtc_assign_resources(crtc, crtc_state);
if (rc < 0)
--
2.34.1
