From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (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 EB0F69447 for ; Thu, 9 Mar 2023 11:24:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1678361067; 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=Je2CZyGuW41jE5Wzc6LKq8bk/71VIENRL2Iv+q1jbxdatNNYwfggHmo+B4b5wwF9oIRJON 1vbwsOCxv8d0YNt9dT+4/Emp8ehOGqOG+iFdxUKjFd4EnxjvsniKCPqCqkvtKkL6EYttBi fdiyrAl8AbFy1meOHFsrAa35yUjhH8c= Received: from mail-wm1-f70.google.com (mail-wm1-f70.google.com [209.85.128.70]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-299-wfWm_XaBPNm_0YOydZ-UHA-1; Thu, 09 Mar 2023 06:24:26 -0500 X-MC-Unique: wfWm_XaBPNm_0YOydZ-UHA-1 Received: by mail-wm1-f70.google.com with SMTP id n15-20020a05600c500f00b003dd07ce79c8so658467wmr.1 for ; Thu, 09 Mar 2023 03:24:26 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1678361065; 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=Z+aPxONLnQbpY2YYykenO6y4RA3jzpOYRHqg2N98IgYCXP5fZkGMgpe01B5QyxhVHQ /Y/bXh2jiMqA5HElHBbkGe6LDZ6ctRRH93zomSdUCT3w8uNTv7T3f3U/GCy1ETDHsnh6 S6fMMHP2hDNyi3stQca9GPZnvuWvxm8k6bd3mwbWHwoR+wxfPJJ6oZrRSFRXq8UV5IpV f6ebVp4txRTePf6gSBgM+48HUfFRYvSqsEBzZdN0f7HfOrM3+7rLDl7viVj5WGR+ZHCH jU3a0kbFybqFwXh6xLsUXuOF1c625n2QWi7moxE9PSKN3TkADfa3KuQJaSlWwpreDbf9 FFpw== X-Gm-Message-State: AO0yUKV2Y1719Hv6ddXB9rFxPxbsjuo+DzbrENtpHWP7k8JoNDKzVyV2 dOF3NgEvqFydF8p4MIuZYjmjCSSwoIQ9gEicyVAG1pmYVDmmYpCqQXBduzIdVy6dpmyw1KTnp1A /HrKiO4gkQBAR2mXHhCNsvlo= X-Received: by 2002:a05:600c:45d3:b0:3e7:cee4:f8a with SMTP id s19-20020a05600c45d300b003e7cee40f8amr19365861wmo.29.1678361065659; Thu, 09 Mar 2023 03:24:25 -0800 (PST) X-Google-Smtp-Source: AK7set9lVCuiT3oH2S4c0dL4PFGWn3m73Ldrm4xd1nwgxerYQstdGiySSUAK65ix4kHFEogJnnnnZQ== X-Received: by 2002:a05:600c:45d3:b0:3e7:cee4:f8a with SMTP id s19-20020a05600c45d300b003e7cee40f8amr19365828wmo.29.1678361065371; Thu, 09 Mar 2023 03:24:25 -0800 (PST) Received: from localhost (205.pool92-176-231.dynamic.orange.es. [92.176.231.205]) by smtp.gmail.com with ESMTPSA id r1-20020a05600c35c100b003dfe5190376sm2436712wmq.35.2023.03.09.03.24.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 09 Mar 2023 03:24:25 -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 12/22] drm/mxsfb/lcdif: Use GEM DMA fbdev emulation In-Reply-To: <20230301153101.4282-13-tzimmermann@suse.de> References: <20230301153101.4282-1-tzimmermann@suse.de> <20230301153101.4282-13-tzimmermann@suse.de> Date: Thu, 09 Mar 2023 12:24:24 +0100 Message-ID: <87356ecglz.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