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 CB9D16AD9 for ; Thu, 9 Mar 2023 11:27:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1678361235; 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=HhBx59K5GRUTCv/uIxtSHIcPIHuPCFoJ/9xwZQxosXBM2eBadYSGK7ubJ2JFpFsxZnHpq3 JXjd4HemQspSgFZvSbgQQR71XXXwt3U4VEKX40S/nABPhbnE7zc0zTJIn6liK4/UrtY5U6 KgX/Hg+CZlIln7pPJQfZTUH2AGuwwQg= 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-31-rtfqtlHNOjOBkFUDQC3G_A-1; Thu, 09 Mar 2023 06:27:14 -0500 X-MC-Unique: rtfqtlHNOjOBkFUDQC3G_A-1 Received: by mail-wm1-f72.google.com with SMTP id m28-20020a05600c3b1c00b003e7d4662b83so2273964wms.0 for ; Thu, 09 Mar 2023 03:27:14 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1678361234; 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=WrHZLtLM/w55ihElpUW4D4VrkZOOH+X99E8bAeYTO9Ot2iz1ZfDuBGOmbIPiM7RL4U 4WME/mW4XpN0Q0hEOONnBeSCDb2BcorZYvr9zrioPJ5S1k25kBTz2lqj+aOVay+VtnEz Bl0RtwI69UBfy7C8igwKFEjNF3Isu7zx6XraXygET4Mfd0WhWEf2NPDuLZVI3ocmyvRz v+M65QO60s/GkvXa6je/SuBypydxSzG5lUKmP8e2JZ5uWcZwmE2RDUNEbQxd9z2hK7Dr aMnx6zfZT+E9lQQ88fkGTalO7Uf/Lg0q0R2OMjkfZmO4BRtiha+jM0FWtBnLiiGqIQOS G7yQ== X-Gm-Message-State: AO0yUKV2ABLye7Gv25abxbxTAJPoCDSx9PICEP7/T/A2o+m8OF/bV/Ey IXqsL6m5gli2nJjy+vospQkUoWhz83LLrxI54R3poNmbJ8JyeUlM3IJ8C64HDt3QXBQkCcfl6bh grkkR38ysN2S3XTq8guUaPNk= X-Received: by 2002:adf:eec2:0:b0:2c5:8d06:75c2 with SMTP id a2-20020adfeec2000000b002c58d0675c2mr16143005wrp.35.1678361233892; Thu, 09 Mar 2023 03:27:13 -0800 (PST) X-Google-Smtp-Source: AK7set8ARdxfkcrK23hiLLxHMM+1xly+a483wuNbL82OhsV1hVbBQRT5MxfXfizo4EESj/6UVgIYTA== X-Received: by 2002:adf:eec2:0:b0:2c5:8d06:75c2 with SMTP id a2-20020adfeec2000000b002c58d0675c2mr16142965wrp.35.1678361233574; Thu, 09 Mar 2023 03:27:13 -0800 (PST) Received: from localhost (205.pool92-176-231.dynamic.orange.es. [92.176.231.205]) by smtp.gmail.com with ESMTPSA id z16-20020adfdf90000000b002c707785da4sm17592422wrl.107.2023.03.09.03.27.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 09 Mar 2023 03:27:13 -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 17/22] drm/tidss: Use GEM DMA fbdev emulation In-Reply-To: <20230301153101.4282-18-tzimmermann@suse.de> References: <20230301153101.4282-1-tzimmermann@suse.de> <20230301153101.4282-18-tzimmermann@suse.de> Date: Thu, 09 Mar 2023 12:27:12 +0100 Message-ID: <87jzzq6u7j.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