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 9D92C6AD9 for ; Thu, 9 Mar 2023 11:21:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1678360907; 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=Mb36jRGuC/o/ac716W/VeetYSkISJ0LRdvXaBeIiBaVoNmsX6X+1EXv9Vv8dRfo7eIIqmr KCVCseyRgCwqi3mrqn1fC/DOx+7n1PZNw3SuQdEC5JebE7zc2P3gmXQekVmbm3dboIqpkE OQZbsLPkY7e6Faa6Q/GSAx3c9kKygxo= Received: from mail-wr1-f69.google.com (mail-wr1-f69.google.com [209.85.221.69]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-56-5X9_l4OUP12tYLx-zHGrFA-1; Thu, 09 Mar 2023 06:21:46 -0500 X-MC-Unique: 5X9_l4OUP12tYLx-zHGrFA-1 Received: by mail-wr1-f69.google.com with SMTP id c30-20020adfa31e000000b002c59b266371so346375wrb.6 for ; Thu, 09 Mar 2023 03:21:46 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1678360905; 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=uwyo+ns3CZLtBVBf48fPk4PBHmWOV0PVMrDJ5a9TesICCpiZqWTNcIHFchEBKgqacz 76L3Opfrcfkx61ToYOTP47B+5CvvDPiVhF+XXZP/rBKjhGADfaThyPf+RbMpMea2QA6R OvEGAF1l7Bry9HGY7dtDVtPgiq2lnJjYuwQ4cgS6tzHoAHBE3xcWHcPwz8r6K05TevjV CPw/45xbPhX+0Jfd9s8dj+RCOBQhwKmQ/GtQfqCZe6cBbj00CeHlViNK0VaGb+C0zPX6 W3m7Jd5CU5BFVqEvVItXAcL3dDqpvZYIEI8h5TDArPGszgObjif9MUCXvH3KF9N/yS2D kmWg== X-Gm-Message-State: AO0yUKU4ibl523WKXhuZH65V2sLjI6yi/cG/6/0CLX9CjeuVZ9yJzceN j3xrg5aDD/JduTKgjHben+as63G4jrdVc/ROqW9K0zqP14fd5zBUsmMEfPaCEydxpFaW64E6FED Ck5LHG5U4C3fr5CkpHmMu2IU= X-Received: by 2002:adf:da47:0:b0:2c9:f488:5f54 with SMTP id r7-20020adfda47000000b002c9f4885f54mr12321053wrl.57.1678360905536; Thu, 09 Mar 2023 03:21:45 -0800 (PST) X-Google-Smtp-Source: AK7set/T4C0dgvSGGMpJs8/32CGlr56CYDRn+YAtD8UDvYRDVE6ywdBnZAiSainv+9e2TUJLz767pg== X-Received: by 2002:adf:da47:0:b0:2c9:f488:5f54 with SMTP id r7-20020adfda47000000b002c9f4885f54mr12321033wrl.57.1678360905258; Thu, 09 Mar 2023 03:21:45 -0800 (PST) Received: from localhost (205.pool92-176-231.dynamic.orange.es. [92.176.231.205]) by smtp.gmail.com with ESMTPSA id d1-20020a5d4f81000000b002c54e26bca5sm17503473wru.49.2023.03.09.03.21.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 09 Mar 2023 03:21:45 -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 09/22] drm/kmb: Use GEM DMA fbdev emulation In-Reply-To: <20230301153101.4282-10-tzimmermann@suse.de> References: <20230301153101.4282-1-tzimmermann@suse.de> <20230301153101.4282-10-tzimmermann@suse.de> Date: Thu, 09 Mar 2023 12:21:44 +0100 Message-ID: <87edpycgqf.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