diff mbox series

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

Message ID 1680271114-1534-3-git-send-email-quic_vpolimer@quicinc.com (mailing list archive)
State New, archived
Headers show
Series Fixes for PSR | expand

Commit Message

Vinod Polimera March 31, 2023, 1:58 p.m. UTC 
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@kernel.org>
Link: https://lore.kernel.org/all/20230326162723.3lo6pnsfdwzsvbhj@ripper/
Signed-off-by: Vinod Polimera <quic_vpolimer@quicinc.com>
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Dmitry Baryshkov March 31, 2023, 2:46 p.m. UTC | #1 
On Fri, 31 Mar 2023 at 16:59, Vinod Polimera <quic_vpolimer@quicinc.com> wrote:
>
> 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@kernel.org>
> Link: https://lore.kernel.org/all/20230326162723.3lo6pnsfdwzsvbhj@ripper/
> Signed-off-by: Vinod Polimera <quic_vpolimer@quicinc.com>
> ---
>  drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Doug Anderson April 5, 2023, 1:43 a.m. UTC | #2 
Hi,

On Fri, Mar 31, 2023 at 6:59 AM Vinod Polimera
<quic_vpolimer@quicinc.com> wrote:
>
> 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@kernel.org>
> Link: https://lore.kernel.org/all/20230326162723.3lo6pnsfdwzsvbhj@ripper/
> Signed-off-by: Vinod Polimera <quic_vpolimer@quicinc.com>
> ---
>  drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

I can confirm that this patch plus patch #1 fixes the typing problems
seen on VT2 on a Chromebook using PSR.

Tested-by: Douglas Anderson <dianders@chromium.org>
diff mbox series

Patch

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);