linux-kernel - Re: [PATCH v3 9/9] drm/mediatek: reduce clear event

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Message-ID: <a2636ee7-f326-e709-2a50-03253bc0b6c2@gmail.com>
Date:   Mon, 21 Sep 2020 18:37:17 +0200
From:   Matthias Brugger <matthias.bgg@...il.com>
To:     Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        Dennis YC Hsieh <dennis-yc.hsieh@...iatek.com>
Cc:     Philipp Zabel <p.zabel@...gutronix.de>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>, CK Hu <ck.hu@...iatek.com>,
        Bibby Hsieh <bibby.hsieh@...iatek.com>,
        Houlong Wei <houlong.wei@...iatek.com>,
        wsd_upstream <wsd_upstream@...iatek.com>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        DRI Development <dri-devel@...ts.freedesktop.org>,
        HS Liao <hs.liao@...iatek.com>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-mediatek@...ts.infradead.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v3 9/9] drm/mediatek: reduce clear event

On 08/07/2020 01:01, Chun-Kuang Hu wrote:
> Hi, Dennis:
> 
> Dennis YC Hsieh <dennis-yc.hsieh@...iatek.com> 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@...nel.org>
> 

Pushed now to v5.9-next/soc

Thanks!

>>
>> Fixes: 2f965be7f9008 ("drm/mediatek: apply CMDQ control flow")
>> Signed-off-by: Dennis YC Hsieh <dennis-yc.hsieh@...iatek.com>
>> ---
>>   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
>> _______________________________________________
>> Linux-mediatek mailing list
>> Linux-mediatek@...ts.infradead.org
>> http://lists.infradead.org/mailman/listinfo/linux-mediatek

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