From nobody Wed Dec 24 10:16:55 2025 Received: from mail-qv1-f47.google.com (mail-qv1-f47.google.com [209.85.219.47]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6D0A6664D8 for ; Sun, 28 Jan 2024 16:14:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.219.47 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706458447; cv=none; b=SZB7iNVTNDO9m+5meIAfNwXRCtBj25s9BJmSOEzQeNRW8umLNX8O4hmpx+7cS3qpbtFPrjcMhkjvZvKYYQF+FM1L58jFWni8fYMTVPik1FtiU5W4zjtBp5vWDAU/30bAiU7IrrvkDOi0KViZAUzGHIV/Fexqibu3snPriTKYYxI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706458447; c=relaxed/simple; bh=/xWOilo4Hud6QzZM3cj00D+5v080/58h43sQggsHgHg=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=qph3M8QqODVMnOO5+1QprWQ04ADKAGSZgq7+/s7yN6jSDkLkCpaZ0B0HU3nXuDhfmMXOa0T4K/1K89nVo9uzpbemI159WpSrtzj72WdE/9T+JR27ACNOHVjCFlOLlO2z40qrcBTMpo0IFE2xYK8b2QdlshwaHSnaUekFdLKDr2g= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=chromium.org; spf=pass smtp.mailfrom=chromium.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b=FzWuLFMx; arc=none smtp.client-ip=209.85.219.47 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=chromium.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=chromium.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="FzWuLFMx" Received: by mail-qv1-f47.google.com with SMTP id 6a1803df08f44-68c3b845643so12535046d6.1 for ; Sun, 28 Jan 2024 08:14:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1706458443; x=1707063243; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=gyrr36Rbe8AgWubab7y8Kw9tDT0keELEe6KuPO/35LY=; b=FzWuLFMxaZaLG5NdsCCqSV2MCwNpFUQJkrzYErKrXyacRrj9MIM0G9DgtGnGcBKTrZ Km9+MW6IxrEpblm/gMQ0NKe9+SN+8Uh0AU5zwKL73erSXSVS1R8m9id2TihS+sbvcBk+ s8B1xvVtdglp9AHNKjfV6UujEbzsd+CzrzOfo= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1706458443; x=1707063243; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=gyrr36Rbe8AgWubab7y8Kw9tDT0keELEe6KuPO/35LY=; b=rFFBAGE51kZCzV4jbih+hUa+7Q30T05HHNHuzEIzKY0kKeKHXLN7RDwRLkJFxYuRKO VGeJqTz7RBEn22AQM46R5KSgDJ84xF9nClUk1FStCsJ6iO0lnAJXcFCml0mpUl8Mfg63 GvmceoxiivtG69HX9Ib+AdhEyHh8SrBlLQrpPVvXevsDB28Wccj4ipRIc4FK50cKEYal s5BKTOV0sHlmLry5N2EKwpAzNvP32whZZXBLz41ckYT93KXzItQ3E38yAQDW0I2lNnDZ nTw9CeojLdNc5xLvmhFqPJAkZxt7j35fK6iRPXL7BBR6CAHnC4Hsdzc4a8c6vz/ZUZ7V LL3w== X-Gm-Message-State: AOJu0YzQqSKgIkyXAdfBSWIE7RvN3Xg1Cq+/OwHbOHjq8IOxTYOmFbZH CpRcvBGxfRuVm3F5i+Ii9i+9UJPBGJUf7Ex37Afn5kevmVjiTgK+ZnG1Onjpkw== X-Google-Smtp-Source: AGHT+IEi91bgjGpdxd6b1KVJteAO32/e7rfk2MgI0un8dbL/yrThhpzpxRXTFzO5dYTWX+Rat0dJbg== X-Received: by 2002:a05:6214:2483:b0:68c:46ab:c8df with SMTP id gi3-20020a056214248300b0068c46abc8dfmr1995323qvb.128.1706458443430; Sun, 28 Jan 2024 08:14:03 -0800 (PST) Received: from denia.c.googlers.com (240.157.150.34.bc.googleusercontent.com. [34.150.157.240]) by smtp.gmail.com with ESMTPSA id dz11-20020ad4588b000000b0068c493426edsm566640qvb.104.2024.01.28.08.14.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 28 Jan 2024 08:14:03 -0800 (PST) From: Ricardo Ribalda Date: Sun, 28 Jan 2024 16:13:56 +0000 Subject: [PATCH 1/2] media: nxp: imx8-isi: Factor out a variable Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20240128-gcc-11-warnings-v1-1-52bbdf492049@chromium.org> References: <20240128-gcc-11-warnings-v1-0-52bbdf492049@chromium.org> In-Reply-To: <20240128-gcc-11-warnings-v1-0-52bbdf492049@chromium.org> To: Laurent Pinchart , Mauro Carvalho Chehab , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team Cc: linux-media@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Ricardo Ribalda X-Mailer: b4 0.12.3 gcc-11 seems to believe that coffs can be used uninitialized. Refactor the code and remove the csen variable to convince gcc that we are doing a good job. drivers/media/platform/nxp/imx8-isi/imx8-isi-hw.c:218:20: warning: 'coeffs'= may be used uninitialized in this function [-Wmaybe-uninitialized] Signed-off-by: Ricardo Ribalda Reviewed-by: Laurent Pinchart --- drivers/media/platform/nxp/imx8-isi/imx8-isi-hw.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/drivers/media/platform/nxp/imx8-isi/imx8-isi-hw.c b/drivers/me= dia/platform/nxp/imx8-isi/imx8-isi-hw.c index 19e80b95ffea..5623914f95e6 100644 --- a/drivers/media/platform/nxp/imx8-isi/imx8-isi-hw.c +++ b/drivers/media/platform/nxp/imx8-isi/imx8-isi-hw.c @@ -215,8 +215,7 @@ static void mxc_isi_channel_set_csc(struct mxc_isi_pipe= *pipe, [MXC_ISI_ENC_RGB] =3D "RGB", [MXC_ISI_ENC_YUV] =3D "YUV", }; - const u32 *coeffs; - bool cscen =3D true; + const u32 *coeffs =3D NULL; u32 val; =20 val =3D mxc_isi_read(pipe, CHNL_IMG_CTRL); @@ -235,14 +234,13 @@ static void mxc_isi_channel_set_csc(struct mxc_isi_pi= pe *pipe, val |=3D CHNL_IMG_CTRL_CSC_MODE(CHNL_IMG_CTRL_CSC_MODE_RGB2YCBCR); } else { /* Bypass CSC */ - cscen =3D false; val |=3D CHNL_IMG_CTRL_CSC_BYPASS; } =20 dev_dbg(pipe->isi->dev, "CSC: %s -> %s\n", encodings[in_encoding], encodings[out_encoding]); =20 - if (cscen) { + if (coeffs) { mxc_isi_write(pipe, CHNL_CSC_COEFF0, coeffs[0]); mxc_isi_write(pipe, CHNL_CSC_COEFF1, coeffs[1]); mxc_isi_write(pipe, CHNL_CSC_COEFF2, coeffs[2]); @@ -253,7 +251,7 @@ static void mxc_isi_channel_set_csc(struct mxc_isi_pipe= *pipe, =20 mxc_isi_write(pipe, CHNL_IMG_CTRL, val); =20 - *bypass =3D !cscen; + *bypass =3D !coeffs; } =20 void mxc_isi_channel_set_alpha(struct mxc_isi_pipe *pipe, u8 alpha) --=20 2.43.0.429.g432eaa2c6b-goog