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 6A3176AD9 for ; Thu, 9 Mar 2023 11:21:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1678360885; 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=CU40T/dhvBztNwrsVnlRl1wprx1SK03OK+kO20wyYBCfHjLSrOzvCMrcJr8eMnaabGSwIh rqf/haMMXQc/ahc1CEeEffYvx33ny7wNJXLmUDu8XDDt1OlIiAdOI799V1fy5g+wAOqDNL XtBiep6tjUK7UqV/VT5k/GhgUf8UOGU= 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-230-VKx5-iWqMbSvGT6PR5rk8Q-1; Thu, 09 Mar 2023 06:21:24 -0500 X-MC-Unique: VKx5-iWqMbSvGT6PR5rk8Q-1 Received: by mail-wm1-f72.google.com with SMTP id az12-20020a05600c600c00b003e8910ec2fdso539496wmb.6 for ; Thu, 09 Mar 2023 03:21:24 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1678360883; 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=loKnKDHZX6xTlkEY6ZHRY28WsRckqxiOvQLVd3MjoV2j/08BIWY6hS1QBV85u7OU28 d1rybeaCV95TlZVXzSlk4bMCTx8fzeQ7hXubrgQb5XH++LyPLyciUW4Do9SrH7ODy8+L 0+BQ8BEq7x2rYi4JGd8gt8r74TQooIKgcRyPP/8s6i8gPWgAc7jcL2dsicxzisBeaD0J gdowP99cLFB7+S5KS7gB5kdqghhpR7lhlTrOpsmOhP9+SEWqSmcM7LmenoZeRfl/pQ2p RfpEr9DRnB8SM0MBxd0ykaK9MmwPk4heW8wzx1e05VOi7/dM1KGQyOtucJJq+cFIxSUe AJnA== X-Gm-Message-State: AO0yUKVRNCJq+m9i92hLfnMHmFlz3RzQBPd/Krs0kPvvcp0Je99bhKff yt6pFnnFYRTunBtpWikVwwt/e8eY8x/sPIFge6VLEFot1KoHJsSAIlfyb480ICeEuM818uMT84f IiTj4fVL5d5a7P+cwJbFBdeQ= X-Received: by 2002:a05:600c:19cf:b0:3e7:772d:22de with SMTP id u15-20020a05600c19cf00b003e7772d22demr18809447wmq.30.1678360883234; Thu, 09 Mar 2023 03:21:23 -0800 (PST) X-Google-Smtp-Source: AK7set9QvIelUa3ZPRMnnDZU4wSkpr+jKhTz8vzz9MlATkeg82OLoMst/ctfKDlY/kc1tAF7ljMTyg== X-Received: by 2002:a05:600c:19cf:b0:3e7:772d:22de with SMTP id u15-20020a05600c19cf00b003e7772d22demr18809404wmq.30.1678360882944; Thu, 09 Mar 2023 03:21:22 -0800 (PST) Received: from localhost (205.pool92-176-231.dynamic.orange.es. [92.176.231.205]) by smtp.gmail.com with ESMTPSA id m16-20020a7bca50000000b003eb5a0873e0sm2237300wml.39.2023.03.09.03.21.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 09 Mar 2023 03:21:22 -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 08/22] drm/imx: Use GEM DMA fbdev emulation In-Reply-To: <20230301153101.4282-9-tzimmermann@suse.de> References: <20230301153101.4282-1-tzimmermann@suse.de> <20230301153101.4282-9-tzimmermann@suse.de> Date: Thu, 09 Mar 2023 12:21:22 +0100 Message-ID: <87h6uucgr1.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