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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <1594262378.21095.3.camel@mtksdaap41>
Date:   Thu, 9 Jul 2020 10:39:38 +0800
From:   Bibby Hsieh <bibby.hsieh@...iatek.com>
To:     Dennis YC Hsieh <dennis-yc.hsieh@...iatek.com>
CC:     Matthias Brugger <matthias.bgg@...il.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>, CK Hu <ck.hu@...iatek.com>,
        Houlong Wei <houlong.wei@...iatek.com>,
        <dri-devel@...ts.freedesktop.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <wsd_upstream@...iatek.com>,
        HS Liao <hs.liao@...iatek.com>
Subject: Re: [PATCH v3 9/9] drm/mediatek: reduce clear event

Hi, Dennis,

Thanks for this patch.

It's better to send another tree for this patch.
Because this tree is only for soc/mediatek.

Please do not forget to add the dependency information.

Bibby

On Tue, 2020-07-07 at 23:45 +0800, Dennis YC Hsieh wrote:
> 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"
> 
> Fixes: 2f965be7f9008 ("drm/mediatek: apply CMDQ control flow")
> Signed-off-by: Dennis YC Hsieh <dennis-yc.hsieh@...iatek.com>

Reviewed-by: Bibby Hsieh <bibby.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);