From patchwork Thu Feb 22 15:41:13 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chun-Kuang Hu X-Patchwork-Id: 13567521 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 85359C54788 for ; Thu, 22 Feb 2024 15:42:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=5DRsc+6FSQc7p9SUzXwFLnrY4AMWzZklZ8Ab6qxHYq8=; b=MuIpvrpRkzlnhl aSEfZPnPUk25uY39RE5trTJhJKU1DJF5F6YoXcyMac00ng1rKebZ3dlbWvvxCu2SFd7tKvxiSkg4k SIis55lrPSB29Zylb5Y/kCqfC8hjbjHL/E4kMQqwODhdUOv2T7lSMba0Do0L/JQDaFHnYF9WLCPtY ollbVr8Q5Z0vWCEGH2Iw0qZ+Gt1g2mSvSzVxwn7FuSeEJ1+2W9+BUAXexL1kGvy0+EitbNZNmi/1v 6vg2W4kVPbseA2ypemBijAnfVVlqd4O6vW54Oh+ZGZ8tVlcWvhrRSsRipe/1BGCydInVccxtTxGZV cjrS/qB7Ex+M/APDp1Ug==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rdBDR-00000005S83-1Db1; Thu, 22 Feb 2024 15:42:29 +0000 Received: from sin.source.kernel.org ([145.40.73.55]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rdBCl-00000005RbW-0Vu7; Thu, 22 Feb 2024 15:41:49 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sin.source.kernel.org (Postfix) with ESMTP id 618DECE2808; Thu, 22 Feb 2024 15:41:45 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B1EB1C433C7; Thu, 22 Feb 2024 15:41:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1708616504; bh=nDJV3H5ien5JKkaRFl6YIw977BIcRyhSssibdZZbNS0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=SX0BMFOx6A7QuL23OjGPgrhtp4wl94MOyaFh5GXEeo2EooTQMADyzw49eslKGwAhN 3EB8LW7Bu0Nlwqew+qd2UPkhMWeJYO4Ty8PxJ51VhXGfyCrQ/11COqa0l0GTGZe8eE XeAwwP4EVI/6I7hUjU/Dak0EBzOD5BNLevXL/Sd86iOhFzmmzKLKqUd0wxhpYCN2tF 7wzImDW7aud3DtY69Xs4Xd+e590SV7485TjKcQ148H5VK2LgencYiHnv4rE/XQxbQg j3ps7o0ECniy5n2qHhn7SiKZK9Wuzpyau6Wjup4wsjqVa5LGLpbCgJEyf6VSBgrnZl B8EmhyPJDJw2w== From: Chun-Kuang Hu To: Matthias Brugger , AngeloGioacchino Del Regno , Mauro Carvalho Chehab , Moudy Ho , "Jason-JH . Lin" , linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org Cc: Chun-Kuang Hu Subject: [PATCH v2 05/12] soc: mediatek: cmdq: Add cmdq_pkt_eoc() helper function Date: Thu, 22 Feb 2024 15:41:13 +0000 Message-Id: <20240222154120.16959-6-chunkuang.hu@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240222154120.16959-1-chunkuang.hu@kernel.org> References: <20240222154120.16959-1-chunkuang.hu@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240222_074147_546516_AF5A0BEB X-CRM114-Status: GOOD ( 12.14 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org cmdq_pkt_eoc() append eoc command to CMDQ packet. eoc command would ask GCE to generate IRQ. It's usually appended to the end of packet to notify all command in the packet is done. Reviewed-by: AngeloGioacchino Del Regno Signed-off-by: Chun-Kuang Hu --- drivers/soc/mediatek/mtk-cmdq-helper.c | 10 ++++++++++ include/linux/soc/mediatek/mtk-cmdq.h | 19 +++++++++++++++++++ 2 files changed, 29 insertions(+) diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c index 678db09983d4..766dbafaef62 100644 --- a/drivers/soc/mediatek/mtk-cmdq-helper.c +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c @@ -414,6 +414,16 @@ int cmdq_pkt_jump_rel(struct cmdq_pkt *pkt, s32 offset, u8 shift_pa) } EXPORT_SYMBOL(cmdq_pkt_jump_rel); +int cmdq_pkt_eoc(struct cmdq_pkt *pkt) +{ + struct cmdq_instruction inst = { {0} }; + + inst.op = CMDQ_CODE_EOC; + inst.value = CMDQ_EOC_IRQ_EN; + return cmdq_pkt_append_command(pkt, inst); +} +EXPORT_SYMBOL(cmdq_pkt_eoc); + int cmdq_pkt_finalize(struct cmdq_pkt *pkt) { struct cmdq_instruction inst = { {0} }; diff --git a/include/linux/soc/mediatek/mtk-cmdq.h b/include/linux/soc/mediatek/mtk-cmdq.h index a935cd69d80f..45110494ee9d 100644 --- a/include/linux/soc/mediatek/mtk-cmdq.h +++ b/include/linux/soc/mediatek/mtk-cmdq.h @@ -275,6 +275,20 @@ int cmdq_pkt_jump_abs(struct cmdq_pkt *pkt, dma_addr_t addr, u8 shift_pa); */ int cmdq_pkt_jump_rel(struct cmdq_pkt *pkt, s32 offset, u8 shift_pa); +/** + * cmdq_pkt_eoc() - Append EOC and ask GCE to generate an IRQ at end of execution + * @pkt: The CMDQ packet + * + * Appends an End Of Code (EOC) command to the CMDQ packet and asks the GCE + * to generate an interrupt at the end of the execution of all commands in + * the pipeline. + * The EOC command is usually appended to the end of the pipeline to notify + * that all commands are done. + * + * Return: 0 for success or negative error number + */ +int cmdq_pkt_eoc(struct cmdq_pkt *pkt); + /** * cmdq_pkt_finalize() - Append EOC and jump command to pkt. * @pkt: the CMDQ packet @@ -401,6 +415,11 @@ static inline int cmdq_pkt_jump_rel(struct cmdq_pkt *pkt, s32 offset, u8 shift_p return -EINVAL; } +static inline int cmdq_pkt_eoc(struct cmdq_pkt *pkt) +{ + return -EINVAL; +} + static inline int cmdq_pkt_finalize(struct cmdq_pkt *pkt) { return -EINVAL;