From: Vinod Polimera Date: Fri, 31 Mar 2023 13:58:32 +0000 (+0530) Subject: drm/msm/dpu: set dirty_fb flag while in self refresh mode X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=501bd8dea55d641422d2a06b94f7276f21f7be21;p=linux.git drm/msm/dpu: set dirty_fb flag while in self refresh mode While in virtual terminal mode with PSR enabled, there will be no atomic commits triggered without dirty_fb being set. This will create a notion of no screen update. Allow atomic commit when dirty_fb ioctl is issued, so that it can trigger a PSR exit and shows update on the screen. Reported-by: Bjorn Andersson Link: https://lore.kernel.org/all/20230326162723.3lo6pnsfdwzsvbhj@ripper/ Signed-off-by: Vinod Polimera Reviewed-by: Dmitry Baryshkov Tested-by: Douglas Anderson Patchwork: https://patchwork.freedesktop.org/patch/530206/ Link: https://lore.kernel.org/r/1680271114-1534-2-git-send-email-quic_vpolimer@quicinc.com Signed-off-by: Dmitry Baryshkov --- diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c index b6afb1cd711a9..bdafbbd409671 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c @@ -1167,6 +1167,9 @@ static bool dpu_crtc_needs_dirtyfb(struct drm_crtc_state *cstate) struct drm_crtc *crtc = cstate->crtc; struct drm_encoder *encoder; + if (cstate->self_refresh_active) + return true; + drm_for_each_encoder_mask (encoder, crtc->dev, cstate->encoder_mask) { if (dpu_encoder_get_intf_mode(encoder) == INTF_MODE_CMD) { return true;