[PATCH v1 2/3] msm/disp/dpu: allow atomic_check in PSR usecase

From: Vinod Polimera
Date: Fri Mar 31 2023 - 09:59:15 EST


Certain flags like dirty_fb will be updated into the plane state
during crtc atomic_check. Allow those updates during PSR commit.

Reported-by: Bjorn Andersson <andersson@xxxxxxxxxx>
Link: https://lore.kernel.org/all/20230326162723.3lo6pnsfdwzsvbhj@ripper/
Signed-off-by: Vinod Polimera <quic_vpolimer@xxxxxxxxxxx>
---
drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
index 96f645e..a02c7f4 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
@@ -1185,7 +1185,7 @@ static int dpu_crtc_atomic_check(struct drm_crtc *crtc,

bool needs_dirtyfb = dpu_crtc_needs_dirtyfb(crtc_state);

- if (!crtc_state->enable || !crtc_state->active) {
+ if (!crtc_state->enable || !drm_atomic_crtc_effectively_active(crtc_state)) {
DRM_DEBUG_ATOMIC("crtc%d -> enable %d, active %d, skip atomic_check\n",
crtc->base.id, crtc_state->enable,
crtc_state->active);
--
2.7.4