Hi, Dennis:
Dennis YC Hsieh <dennis-yc.hsieh@xxxxxxxxxxxx> 於 2020年7月7日 週二 下午11:47寫道：
>
> No need to clear event again since event always clear before wait.
> This fix depend on patch:
> "soc: mediatek: cmdq: add clear option in cmdq_pkt_wfe api"
Acked-by: Chun-Kuang Hu <chunkuang.hu@xxxxxxxxxx>
>
> Fixes: 2f965be7f9008 ("drm/mediatek: apply CMDQ control flow")
> Signed-off-by: Dennis YC Hsieh <dennis-yc.hsieh@xxxxxxxxxxxx>
> ---
> drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
> index c84e7a14d4a8..ba6cf956b239 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
> @@ -490,7 +490,7 @@ static void mtk_drm_crtc_hw_config(struct mtk_drm_crtc *mtk_crtc)
> mbox_flush(mtk_crtc->cmdq_client->chan, 2000);
> cmdq_handle = cmdq_pkt_create(mtk_crtc->cmdq_client, PAGE_SIZE);
> cmdq_pkt_clear_event(cmdq_handle, mtk_crtc->cmdq_event);
> - cmdq_pkt_wfe(cmdq_handle, mtk_crtc->cmdq_event, true);
> + cmdq_pkt_wfe(cmdq_handle, mtk_crtc->cmdq_event, false);
> mtk_crtc_ddp_config(crtc, cmdq_handle);
> cmdq_pkt_finalize(cmdq_handle);
> cmdq_pkt_flush_async(cmdq_handle, ddp_cmdq_cb, cmdq_handle);
> --
> 1.7.9.5
> _______________________________________________
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> Linux-mediatek@xxxxxxxxxxxxxxxxxxx
> http://lists.infradead.org/mailman/listinfo/linux-mediatek
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