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=-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=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 673E9C63697 for ; Sat, 28 Nov 2020 14:31:32 +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 1ABDF2465B for ; Sat, 28 Nov 2020 14:31:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="sHuz4cVG" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1ABDF2465B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bootlin.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=vj0sjSUfzJpzxCYAq7LpsjRXDhtrWXNqsni1o4Im76w=; b=sHuz4cVGiPv7laTNibx9Y+2gH yQD0R8oMMe1BcKULbejq0KZLtP0s5ZIdomlQpZ8GfIKZK7Q4QU2slGiuMfy92OG+HGSj4WZO/ZgSQ 5oFuyClqv/IAePLnN00GZFga9VFL78BtEVRllttNPqiexHbVa5kOtdMnV5y26Y8pyLJqcsknX5/rc 4mTQv32LdoKQRio8Atvzgt/Btts2krv/w/jk0ofa57ShSCX7LHR+06HtOBIsPpv+34hPZEoK0zKEt rLQUhRXMmm+8R23M2xzoAOFCPvO4Blz/DedO5jDnO0bFpN74sCH65ExjJXPnykQE4Yiomjk1D3Rpa T8ktV0i0Q==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kj1EN-0006dO-Np; Sat, 28 Nov 2020 14:29:43 +0000 Received: from relay2-d.mail.gandi.net ([217.70.183.194]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kj1Di-0006Kx-Ij for linux-arm-kernel@lists.infradead.org; Sat, 28 Nov 2020 14:29:06 +0000 X-Originating-IP: 93.29.109.196 Received: from localhost.localdomain (196.109.29.93.rev.sfr.net [93.29.109.196]) (Authenticated sender: paul.kocialkowski@bootlin.com) by relay2-d.mail.gandi.net (Postfix) with ESMTPSA id B289440006; Sat, 28 Nov 2020 14:28:59 +0000 (UTC) From: Paul Kocialkowski To: linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, devel@driverdev.osuosl.org, linux-sunxi@googlegroups.com Subject: [PATCH v2 04/19] media: sun6i-csi: Use common V4L2 format info for storage bpp Date: Sat, 28 Nov 2020 15:28:24 +0100 Message-Id: <20201128142839.517949-5-paul.kocialkowski@bootlin.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201128142839.517949-1-paul.kocialkowski@bootlin.com> References: <20201128142839.517949-1-paul.kocialkowski@bootlin.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201128_092902_909396_0C05FE71 X-CRM114-Status: GOOD ( 18.30 ) 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: Jernej Skrabec , Dafna Hirschfeld , Philipp Zabel , Jonathan Corbet , Thomas Petazzoni , Greg Kroah-Hartman , Helen Koike , Vinod Koul , Maxime Ripard , Kishon Vijay Abraham I , Paul Kocialkowski , Chen-Yu Tsai , Rob Herring , Hans Verkuil , Yong Deng , Sakari Ailus , Mauro Carvalho Chehab , kevin.lhopital@hotmail.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org V4L2 has a common helper which can be used for calculating the number of stored bits per pixels of a given (stored) image format. Use the helper-returned structure instead of our own switch/case list. Note that a few formats are not in that list so we keep them as special cases. The custom switch/case was also wrong concerning 10/12-bit Bayer formats, which are aligned to 16 bits in memory. Using the common helper fixes it. Fixes: 5cc7522d8965 ("media: sun6i: Add support for Allwinner CSI V3s") Signed-off-by: Paul Kocialkowski --- .../platform/sunxi/sun6i-csi/sun6i_csi.h | 55 +++++++------------ 1 file changed, 20 insertions(+), 35 deletions(-) diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h index c626821aaedb..092445f04c60 100644 --- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h +++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h @@ -86,53 +86,38 @@ void sun6i_csi_update_buf_addr(struct sun6i_csi *csi, dma_addr_t addr); */ void sun6i_csi_set_stream(struct sun6i_csi *csi, bool enable); -/* get bpp form v4l2 pixformat */ +/* get memory storage bpp from v4l2 pixformat */ static inline int sun6i_csi_get_bpp(unsigned int pixformat) { + const struct v4l2_format_info *info; + unsigned int i; + int bpp = 0; + + /* Handle special cases unknown to V4L2 format info first. */ switch (pixformat) { - case V4L2_PIX_FMT_SBGGR8: - case V4L2_PIX_FMT_SGBRG8: - case V4L2_PIX_FMT_SGRBG8: - case V4L2_PIX_FMT_SRGGB8: case V4L2_PIX_FMT_JPEG: return 8; - case V4L2_PIX_FMT_SBGGR10: - case V4L2_PIX_FMT_SGBRG10: - case V4L2_PIX_FMT_SGRBG10: - case V4L2_PIX_FMT_SRGGB10: - return 10; - case V4L2_PIX_FMT_SBGGR12: - case V4L2_PIX_FMT_SGBRG12: - case V4L2_PIX_FMT_SGRBG12: - case V4L2_PIX_FMT_SRGGB12: case V4L2_PIX_FMT_HM12: - case V4L2_PIX_FMT_NV12: - case V4L2_PIX_FMT_NV21: - case V4L2_PIX_FMT_YUV420: - case V4L2_PIX_FMT_YVU420: return 12; - case V4L2_PIX_FMT_YUYV: - case V4L2_PIX_FMT_YVYU: - case V4L2_PIX_FMT_UYVY: - case V4L2_PIX_FMT_VYUY: - case V4L2_PIX_FMT_NV16: - case V4L2_PIX_FMT_NV61: - case V4L2_PIX_FMT_YUV422P: - case V4L2_PIX_FMT_RGB565: case V4L2_PIX_FMT_RGB565X: return 16; - case V4L2_PIX_FMT_RGB24: - case V4L2_PIX_FMT_BGR24: - return 24; - case V4L2_PIX_FMT_RGB32: - case V4L2_PIX_FMT_BGR32: - return 32; - default: + } + + info = v4l2_format_info(pixformat); + if (!info) { WARN(1, "Unsupported pixformat: 0x%x\n", pixformat); - break; + return 0; + } + + for (i = 0; i < info->comp_planes; i++) { + unsigned int hdiv = (i == 0) ? 1 : info->hdiv; + unsigned int vdiv = (i == 0) ? 1 : info->vdiv; + + /* We return bits per pixel while V4L2 format info is bytes. */ + bpp += 8 * info->bpp[i] / hdiv / vdiv; } - return 0; + return bpp; } #endif /* __SUN6I_CSI_H__ */ -- 2.29.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel