From patchwork Wed Feb 17 08:02:59 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Gaignard X-Patchwork-Id: 12091153 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=-16.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham 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 22635C433E6 for ; Wed, 17 Feb 2021 08:08:35 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 B00FE64D7F for ; Wed, 17 Feb 2021 08:08:34 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B00FE64D7F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=collabora.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=kOz0Q4dHkn3fW4Oh5WlBqK3PkVD4Wunjwcc4zrrr67M=; b=MvTLgVas6QOaACliwHP+kv2lF euKPvbvrXn1DrIAunAr857wMGvN5mpYxkAWbL3NdZVNv9rQUtQT2YRAVsWK64WiHw+ZjaUPDuvxZ+ j0edikd2nhCqfSRnm+3SWDAmgNLCGFbsV97mzMo9Rgm2EAwwco3A3ReSy/LlppLpfzE5ZuJg0Bpap ng5QzL+cLDxHoQ2h5grnZ8nubcYI1fgcXit6QaULYoBLcTGdZntEdh0KoeKZZ7kPLsQ8cc20LOmBf j4jfT5QcA/59VMa/Youx1LXOScFOoGrSb3U7OpIVuqTDHgOWeu2Ne4PB/ZMvJLZed6hNXviTrjkEh 5/jfsYV7A==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1lCHqs-0007ym-B2; Wed, 17 Feb 2021 08:06:26 +0000 Received: from bhuna.collabora.co.uk ([46.235.227.227]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1lCHoc-0006yi-Id; Wed, 17 Feb 2021 08:04:13 +0000 Received: from localhost.localdomain (unknown [IPv6:2a01:e0a:4cb:a870:fd6e:12cd:95d7:3350]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by bhuna.collabora.co.uk (Postfix) with ESMTPSA id E7C0B1F4508E; Wed, 17 Feb 2021 08:04:03 +0000 (GMT) From: Benjamin Gaignard To: ezequiel@collabora.com, p.zabel@pengutronix.de, mchehab@kernel.org, robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, gregkh@linuxfoundation.org, mripard@kernel.org, paul.kocialkowski@bootlin.com, wens@csie.org, jernej.skrabec@siol.net, krzk@kernel.org, shengjiu.wang@nxp.com, adrian.ratiu@collabora.com, aisheng.dong@nxp.com, peng.fan@nxp.com, Anson.Huang@nxp.com, hverkuil-cisco@xs4all.nl Subject: [PATCH v1 11/18] media: hantro: Add helper function for auxiliary buffers allocation Date: Wed, 17 Feb 2021 09:02:59 +0100 Message-Id: <20210217080306.157876-12-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210217080306.157876-1-benjamin.gaignard@collabora.com> References: <20210217080306.157876-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210217_030408_678772_CF70EF1D X-CRM114-Status: GOOD ( 12.59 ) 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: devel@driverdev.osuosl.org, devicetree@vger.kernel.org, Benjamin Gaignard , linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, kernel@collabora.com, linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add helper functions to allocate and free auxiliary buffers. These buffers aren't for frames but are needed by the hardware to store scaling matrix, tiles size, border filters etc... Signed-off-by: Benjamin Gaignard Signed-off-by: Ezequiel Garcia Signed-off-by: Adrian Ratiu --- drivers/staging/media/hantro/hantro.h | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/drivers/staging/media/hantro/hantro.h b/drivers/staging/media/hantro/hantro.h index a9b80b2c9124..7f842edbc341 100644 --- a/drivers/staging/media/hantro/hantro.h +++ b/drivers/staging/media/hantro/hantro.h @@ -446,6 +446,30 @@ hantro_get_dec_buf(struct hantro_ctx *ctx, struct vb2_buffer *vb) return vb2_plane_vaddr(vb, 0); } +static inline int +hantro_aux_buf_alloc(struct hantro_dev *vpu, + struct hantro_aux_buf *buf, size_t size) +{ + buf->cpu = dma_alloc_coherent(vpu->dev, size, &buf->dma, GFP_KERNEL); + if (!buf->cpu) + return -ENOMEM; + + buf->size = size; + return 0; +} + +static inline void +hantro_aux_buf_free(struct hantro_dev *vpu, + struct hantro_aux_buf *buf) +{ + if (buf->cpu) + dma_free_coherent(vpu->dev, buf->size, buf->cpu, buf->dma); + + buf->cpu = NULL; + buf->dma = 0; + buf->size = 0; +} + void hantro_postproc_disable(struct hantro_ctx *ctx); void hantro_postproc_enable(struct hantro_ctx *ctx); void hantro_postproc_free(struct hantro_ctx *ctx);