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Tue, 03 Mar 2020 18:41:03 -0800 Received: from mtkmbs05n2.mediatek.inc (172.21.101.140) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 3 Mar 2020 18:41:54 -0800 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs05n2.mediatek.inc (172.21.101.140) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 4 Mar 2020 10:39:59 +0800 Received: from [172.21.77.4] (172.21.77.4) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Wed, 4 Mar 2020 10:40:20 +0800 Message-ID: <1583289660.32049.4.camel@mtksdaap41> Subject: Re: [PATCH v4 10/13] soc: mediatek: cmdq: export finalize function From: CK Hu To: Dennis YC Hsieh Date: Wed, 4 Mar 2020 10:41:00 +0800 In-Reply-To: <1583233125-7827-11-git-send-email-dennis-yc.hsieh@mediatek.com> References: <1583233125-7827-1-git-send-email-dennis-yc.hsieh@mediatek.com> <1583233125-7827-11-git-send-email-dennis-yc.hsieh@mediatek.com> X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200303_184106_636246_7442E8B1 X-CRM114-Status: GOOD ( 16.87 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, Daniel Vetter , 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 , Philipp Zabel , Matthias Brugger , Bibby Hsieh , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi, Dennis: On Tue, 2020-03-03 at 18:58 +0800, Dennis YC Hsieh wrote: > Export finalize function to client which helps append eoc and jump > command to pkt. Let client decide call finalize or not. > Reviewed-by: CK Hu > Signed-off-by: Dennis YC Hsieh > --- > drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 1 + > drivers/soc/mediatek/mtk-cmdq-helper.c | 7 ++----- > include/linux/soc/mediatek/mtk-cmdq.h | 8 ++++++++ > 3 files changed, 11 insertions(+), 5 deletions(-) > > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c > index 0dfcd1787e65..7daaabc26eb1 100644 > --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c > +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c > @@ -490,6 +490,7 @@ static void mtk_drm_crtc_hw_config(struct mtk_drm_crtc *mtk_crtc) > cmdq_pkt_clear_event(cmdq_handle, mtk_crtc->cmdq_event); > cmdq_pkt_wfe(cmdq_handle, mtk_crtc->cmdq_event); > mtk_crtc_ddp_config(crtc, cmdq_handle); > + cmdq_pkt_finalize(cmdq_handle); > cmdq_pkt_flush_async(cmdq_handle, ddp_cmdq_cb, cmdq_handle); > } > #endif > diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c > index a9ebbabb7439..59bc1164b411 100644 > --- a/drivers/soc/mediatek/mtk-cmdq-helper.c > +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c > @@ -372,7 +372,7 @@ int cmdq_pkt_assign(struct cmdq_pkt *pkt, u16 reg_idx, u32 value) > } > EXPORT_SYMBOL(cmdq_pkt_assign); > > -static int cmdq_pkt_finalize(struct cmdq_pkt *pkt) > +int cmdq_pkt_finalize(struct cmdq_pkt *pkt) > { > struct cmdq_instruction inst = { {0} }; > int err; > @@ -392,6 +392,7 @@ static int cmdq_pkt_finalize(struct cmdq_pkt *pkt) > > return err; > } > +EXPORT_SYMBOL(cmdq_pkt_finalize); > > static void cmdq_pkt_flush_async_cb(struct cmdq_cb_data data) > { > @@ -426,10 +427,6 @@ int cmdq_pkt_flush_async(struct cmdq_pkt *pkt, cmdq_async_flush_cb cb, > unsigned long flags = 0; > struct cmdq_client *client = (struct cmdq_client *)pkt->cl; > > - err = cmdq_pkt_finalize(pkt); > - if (err < 0) > - return err; > - > pkt->cb.cb = cb; > pkt->cb.data = data; > pkt->async_cb.cb = cmdq_pkt_flush_async_cb; > diff --git a/include/linux/soc/mediatek/mtk-cmdq.h b/include/linux/soc/mediatek/mtk-cmdq.h > index fec292aac83c..99e77155f967 100644 > --- a/include/linux/soc/mediatek/mtk-cmdq.h > +++ b/include/linux/soc/mediatek/mtk-cmdq.h > @@ -213,6 +213,14 @@ int cmdq_pkt_poll_mask(struct cmdq_pkt *pkt, u8 subsys, > */ > int cmdq_pkt_assign(struct cmdq_pkt *pkt, u16 reg_idx, u32 value); > > +/** > + * cmdq_pkt_finalize() - Append EOC and jump command to pkt. > + * @pkt: the CMDQ packet > + * > + * Return: 0 for success; else the error code is returned > + */ > +int cmdq_pkt_finalize(struct cmdq_pkt *pkt); > + > /** > * cmdq_pkt_flush_async() - trigger CMDQ to asynchronously execute the CMDQ > * packet and call back at the end of done packet _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel