From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 281789443 for ; Thu, 9 Mar 2023 11:20:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1678360842; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=ZE/7iJwefnAXFkAm0lKDfvx+6HRiN8eOH8p7Wvai0wo=; b=VcaBdZhCNdA2qk6UngItWJM2Zsy2DJgYqGVMFCWRvl2uWu5Gf6grEEm8MtDqgnEQOVVCSZ 6lPELiORVZeOuFVO5ki1VzOQEEKPUqb0hmKe8AcxVHfoKFJFKu1elPmlfWzx8ZlnctBgds bD7pwk4/dRg+d/FRy30yDu9hm+zGeZc= Received: from mail-wm1-f72.google.com (mail-wm1-f72.google.com [209.85.128.72]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-158-HtMgEzEyOAypF5wUvuPFFQ-1; Thu, 09 Mar 2023 06:20:41 -0500 X-MC-Unique: HtMgEzEyOAypF5wUvuPFFQ-1 Received: by mail-wm1-f72.google.com with SMTP id az12-20020a05600c600c00b003e8910ec2fdso538804wmb.6 for ; Thu, 09 Mar 2023 03:20:40 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1678360840; h=mime-version:message-id:date:references:in-reply-to:subject:cc:to :from:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=ZE/7iJwefnAXFkAm0lKDfvx+6HRiN8eOH8p7Wvai0wo=; b=pCe8Eung+cAnu7+J3DWYKe4z3ov1vDM1pnYAaNLGjhCHpjyPgODCMQU1cRCbDWo54n dN7FnCYrbkloRGrZhO3cHdU1uS+RS+0JGAFjYNuih+KDwNQNuvgQTzdXlKbtA5tvABrB lTjylIOd5FrMG2yZj8hb00cTdM7bdaUPYGCaaek35ZKwlMfV/baqsfp0IHpPE4XMgZqg YYIWrYD3ATtx0WzTKqYYrcpS9NUWjgswNW+0gAgRpRObuKnfe+KJkpaoIu39G3wMv6Ot R7SD/Wf8yMBRCD3MyVUy9NQ2Jf9BZUC/YXyHOSa7nrrzikpK66wWtphbhNSQ/AaFIEMQ KFow== X-Gm-Message-State: AO0yUKWo+pNINlZyBT+/Gr91ukbV9Xg0mp2PxXYr3/eKry1Cjv9t9SOR CMiVhz6pZB6iyg0AAHOGxDSyxyN5SQ4o3cQtchFSo/LJeAMCUJhW98U/0ix4j3vRLv5FQ2yJXlH plf3qoO4wvIDZTXHoGnjz9Ro= X-Received: by 2002:a05:600c:4449:b0:3df:e659:f9d9 with SMTP id v9-20020a05600c444900b003dfe659f9d9mr17924786wmn.34.1678360840091; Thu, 09 Mar 2023 03:20:40 -0800 (PST) X-Google-Smtp-Source: AK7set90uCM0Kw514Efx0RC1JOWrOFPoY3H9ZtCG8DZJ7CZ4XdZwaIBFGLtcMSgQBx3eBGbTb1Y4bA== X-Received: by 2002:a05:600c:4449:b0:3df:e659:f9d9 with SMTP id v9-20020a05600c444900b003dfe659f9d9mr17924778wmn.34.1678360839923; Thu, 09 Mar 2023 03:20:39 -0800 (PST) Received: from localhost (205.pool92-176-231.dynamic.orange.es. [92.176.231.205]) by smtp.gmail.com with ESMTPSA id az5-20020a05600c600500b003eaf666cbe0sm2386747wmb.27.2023.03.09.03.20.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 09 Mar 2023 03:20:39 -0800 (PST) From: Javier Martinez Canillas To: Thomas Zimmermann , maarten.lankhorst@linux.intel.com, mripard@kernel.org, airlied@gmail.com, daniel@ffwll.ch, andrew@aj.id.au, laurentiu.palcu@oss.nxp.com, l.stach@pengutronix.de, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, p.zabel@pengutronix.de, anitha.chrisanthus@intel.com, edmund.j.dea@intel.com, khilman@baylibre.com, jbrunet@baylibre.com, martin.blumenstingl@googlemail.com, alain.volmat@foss.st.com, yannick.fertre@foss.st.com, raphael.gallais-pou@foss.st.com, philippe.cornu@foss.st.com, mcoquelin.stm32@gmail.com, alexandre.torgue@foss.st.com, jernej.skrabec@gmail.com, samuel@sholland.org, jyri.sarha@iki.fi, tomba@kernel.org, linus.walleij@linaro.org, hyun.kwon@xilinx.com, laurent.pinchart@ideasonboard.com Cc: dri-devel@lists.freedesktop.org, linux-aspeed@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com, linux-sunxi@lists.linux.dev, Thomas Zimmermann Subject: Re: [PATCH 06/22] drm/fsl-dcu: Use GEM DMA fbdev emulation In-Reply-To: <20230301153101.4282-7-tzimmermann@suse.de> References: <20230301153101.4282-1-tzimmermann@suse.de> <20230301153101.4282-7-tzimmermann@suse.de> Date: Thu, 09 Mar 2023 12:20:39 +0100 Message-ID: <87mt4mcgs8.fsf@minerva.mail-host-address-is-not-set> Precedence: bulk X-Mailing-List: linux-sunxi@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain Thomas Zimmermann writes: > Use the fbdev emulation that is optimized for DMA helpers. Avoids > possible shadow buffering and makes the code simpler. > > Signed-off-by: Thomas Zimmermann > --- Reviewed-by: Javier Martinez Canillas -- Best regards, Javier Martinez Canillas Core Platforms Red Hat