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path: root/drivers/gpu/drm/mediatek/mtk_crtc.c
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Diffstat (limited to 'drivers/gpu/drm/mediatek/mtk_crtc.c')
-rw-r--r--drivers/gpu/drm/mediatek/mtk_crtc.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_crtc.c b/drivers/gpu/drm/mediatek/mtk_crtc.c
index bc7527542fdc..c4c6d0249df5 100644
--- a/drivers/gpu/drm/mediatek/mtk_crtc.c
+++ b/drivers/gpu/drm/mediatek/mtk_crtc.c
@@ -283,6 +283,10 @@ static void ddp_cmdq_cb(struct mbox_client *cl, void *mssg)
unsigned int i;
unsigned long flags;
+ /* release GCE HW usage and start autosuspend */
+ pm_runtime_mark_last_busy(cmdq_cl->chan->mbox->dev);
+ pm_runtime_put_autosuspend(cmdq_cl->chan->mbox->dev);
+
if (data->sta < 0)
return;
@@ -618,6 +622,9 @@ static void mtk_crtc_update_config(struct mtk_crtc *mtk_crtc, bool needs_vblank)
mtk_crtc->config_updating = false;
spin_unlock_irqrestore(&mtk_crtc->config_lock, flags);
+ if (pm_runtime_resume_and_get(mtk_crtc->cmdq_client.chan->mbox->dev) < 0)
+ goto update_config_out;
+
mbox_send_message(mtk_crtc->cmdq_client.chan, cmdq_handle);
mbox_client_txdone(mtk_crtc->cmdq_client.chan, 0);
goto update_config_out;