From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_SANE_2 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5C7E3C433E1 for ; Mon, 25 May 2020 07:21:24 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 331EB2065F for ; Mon, 25 May 2020 07:21:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="X8VpmNW+" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 331EB2065F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 48C0E89D49; Mon, 25 May 2020 07:21:06 +0000 (UTC) Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by gabe.freedesktop.org (Postfix) with ESMTP id 688C689B99 for ; Sun, 24 May 2020 17:32:58 +0000 (UTC) X-UUID: efaeabddf4da4df19a9e277644f1f120-20200525 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:MIME-Version:Content-Type:References:In-Reply-To:Date:CC:To:From:Subject:Message-ID; bh=NRUfXSdH1Y0b7w27gA4nSFgrpT/xOAe4KYnqqpyaLVw=; b=X8VpmNW+J3DdjGJswe/ENk/xqoBwJxero0pFRH8kfuauOXM/eBBjB04WwCfCwJaG8eZGTtwfZzRg86lipVGLtzWW5AtBwNCA3vA2kdZFCTktzg77DOHe+LMcxaLnmd0KA2iX5F81KvKt19XeOLZk1Db2W3DPSVNqMhmNR4F5/os=; X-UUID: efaeabddf4da4df19a9e277644f1f120-20200525 Received: from mtkcas10.mediatek.inc [(172.21.101.39)] by mailgw02.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.10 Build 0809 with TLS) with ESMTP id 1232601585; Mon, 25 May 2020 01:32:55 +0800 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs05n1.mediatek.inc (172.21.101.15) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 25 May 2020 01:32:50 +0800 Received: from [172.21.77.33] (172.21.77.33) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 25 May 2020 01:32:50 +0800 Message-ID: <1590341574.31286.21.camel@mtkswgap22> Subject: Re: [PATCH v5 12/13] soc: mediatek: cmdq: add clear option in cmdq_pkt_wfe api From: Dennis-YC Hsieh To: Matthias Brugger Date: Mon, 25 May 2020 01:32:54 +0800 In-Reply-To: <6029e0eb-70fa-825f-7fd4-f5127384bd8d@gmail.com> References: <1583664775-19382-1-git-send-email-dennis-yc.hsieh@mediatek.com> <1583664775-19382-13-git-send-email-dennis-yc.hsieh@mediatek.com> <6029e0eb-70fa-825f-7fd4-f5127384bd8d@gmail.com> X-Mailer: Evolution 3.2.3-0ubuntu6 MIME-Version: 1.0 X-MTK: N X-Mailman-Approved-At: Mon, 25 May 2020 07:21:04 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, wsd_upstream@mediatek.com, David Airlie , Jassi Brar , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, HS Liao , Rob Herring , linux-mediatek@lists.infradead.org, Houlong Wei , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Hi Matthias, Thanks for your comment. On Sat, 2020-05-16 at 20:30 +0200, Matthias Brugger wrote: > > On 08/03/2020 11:52, Dennis YC Hsieh wrote: > > Add clear parameter to let client decide if > > event should be clear to 0 after GCE receive it. > > > > Signed-off-by: Dennis YC Hsieh > > --- > > drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 2 +- > > drivers/soc/mediatek/mtk-cmdq-helper.c | 5 +++-- > > include/linux/mailbox/mtk-cmdq-mailbox.h | 3 +-- > > include/linux/soc/mediatek/mtk-cmdq.h | 5 +++-- > > 4 files changed, 8 insertions(+), 7 deletions(-) > > > > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c > > index 7daaabc26eb1..a065b3a412cf 100644 > > --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c > > +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c > > @@ -488,7 +488,7 @@ static void mtk_drm_crtc_hw_config(struct mtk_drm_crtc *mtk_crtc) > > if (mtk_crtc->cmdq_client) { > > 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); > > + 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); > > This should be an independent patch ok, I'll separate this part. Regards, Dennis > > > diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c > > index bb5be20fc70a..ec5637d43254 100644 > > --- a/drivers/soc/mediatek/mtk-cmdq-helper.c > > +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c > > @@ -296,15 +296,16 @@ int cmdq_pkt_write_s_value(struct cmdq_pkt *pkt, u16 high_addr_reg_idx, > > } > > EXPORT_SYMBOL(cmdq_pkt_write_s_value); > > > > -int cmdq_pkt_wfe(struct cmdq_pkt *pkt, u16 event) > > +int cmdq_pkt_wfe(struct cmdq_pkt *pkt, u16 event, bool clear) > > { > > struct cmdq_instruction inst = { {0} }; > > + u32 clear_option = clear ? CMDQ_WFE_UPDATE : 0; > > > > if (event >= CMDQ_MAX_EVENT) > > return -EINVAL; > > > > inst.op = CMDQ_CODE_WFE; > > - inst.value = CMDQ_WFE_OPTION; > > + inst.value = CMDQ_WFE_OPTION | clear_option; > > inst.event = event; > > > > return cmdq_pkt_append_command(pkt, inst); > > diff --git a/include/linux/mailbox/mtk-cmdq-mailbox.h b/include/linux/mailbox/mtk-cmdq-mailbox.h > > index 3f6bc0dfd5da..42d2a30e6a70 100644 > > --- a/include/linux/mailbox/mtk-cmdq-mailbox.h > > +++ b/include/linux/mailbox/mtk-cmdq-mailbox.h > > @@ -27,8 +27,7 @@ > > * bit 16-27: update value > > * bit 31: 1 - update, 0 - no update > > */ > > -#define CMDQ_WFE_OPTION (CMDQ_WFE_UPDATE | CMDQ_WFE_WAIT | \ > > - CMDQ_WFE_WAIT_VALUE) > > +#define CMDQ_WFE_OPTION (CMDQ_WFE_WAIT | CMDQ_WFE_WAIT_VALUE) > > > > /** cmdq event maximum */ > > #define CMDQ_MAX_EVENT 0x3ff > > diff --git a/include/linux/soc/mediatek/mtk-cmdq.h b/include/linux/soc/mediatek/mtk-cmdq.h > > index 1a6c56f3bec1..d63749440697 100644 > > --- a/include/linux/soc/mediatek/mtk-cmdq.h > > +++ b/include/linux/soc/mediatek/mtk-cmdq.h > > @@ -152,11 +152,12 @@ int cmdq_pkt_write_s_value(struct cmdq_pkt *pkt, u16 high_addr_reg_idx, > > /** > > * cmdq_pkt_wfe() - append wait for event command to the CMDQ packet > > * @pkt: the CMDQ packet > > - * @event: the desired event type to "wait and CLEAR" > > + * @event: the desired event type to wait > > + * @clear: clear event or not after event arrive > > * > > * Return: 0 for success; else the error code is returned > > */ > > -int cmdq_pkt_wfe(struct cmdq_pkt *pkt, u16 event); > > +int cmdq_pkt_wfe(struct cmdq_pkt *pkt, u16 event, bool clear); > > > > /** > > * cmdq_pkt_clear_event() - append clear event command to the CMDQ packet > > _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel