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 67AB86AD9 for ; Thu, 9 Mar 2023 11:22:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1678360929; 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=CcQrOEUB/gHc08FDyHUmbpoI5j6Sxt29lT4DqNfsktbvGB4CYoWTU6NGm5Y+cZuTV9ju5+ cuoSB8NLuNzi6jh0++rfYbwfGO22kfiwryBDWxs5z7KGzUdVBRyiQ/yb1ydC79sIVR0LGA lHgfXd605kMnf4kMXIp0mvlLzqhE+xs= 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-117-Kp0SdGGPNgS_L3j6Bw-Q4Q-1; Thu, 09 Mar 2023 06:22:08 -0500 X-MC-Unique: Kp0SdGGPNgS_L3j6Bw-Q4Q-1 Received: by mail-wm1-f72.google.com with SMTP id bi27-20020a05600c3d9b00b003e9d0925341so539146wmb.8 for ; Thu, 09 Mar 2023 03:22:08 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1678360927; 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=u6qwo2ucbsLYOgAswYXLSjrO0BfJz0rbapnnJwBXyHTIf6CXl3qQCi+rnc7ba2+TY8 Mfb7414KsXEzAC+hSl7sxHoEzHRxIi9+Ew/28Bib+Xh29ITZdMPySeYXKZaEEns5v8m5 SpxNya1Lj6Ia1heJq6TEJuLxuSXh6lx/mi2pTbXsgAOOo8A0Jxd7IwljGV3UPGVDADlb C9wiNky/42rwH1XYJnhk6ke+rgLYxUOPHgfO/Hp2CL++pR5toDR4cZ0YsqxdPha7sv0t lEaV7S3ZwNRGD9cEDySiEmFgWYSPB0PmtMUvFYouWQG2uJG8Eg37ILLbSOnZhwoEtCe6 iUZA== X-Gm-Message-State: AO0yUKXSpwB4liFzGO5TmnpmdOA6Z6tTrigORtyzvAbbSjmpr66DpyNl Yt0JW6eBGF0+0OBKpli+9sbyEVi36jgqPK9/Udbf6z3XVhRKwxfrO7qptVrSgXJtQvYYlgSGk6n V7MXaIz0bsc/lpITDVKl5dFs= X-Received: by 2002:a05:600c:1909:b0:3eb:248f:a140 with SMTP id j9-20020a05600c190900b003eb248fa140mr20913751wmq.6.1678360927390; Thu, 09 Mar 2023 03:22:07 -0800 (PST) X-Google-Smtp-Source: AK7set8sm+8KaUtaTToC6ewzxor62agxQaZWhIHs+6czjysLnXbg5f9mG7vIV2yLxia1B+mTwIz1AA== X-Received: by 2002:a05:600c:1909:b0:3eb:248f:a140 with SMTP id j9-20020a05600c190900b003eb248fa140mr20913724wmq.6.1678360927112; Thu, 09 Mar 2023 03:22:07 -0800 (PST) Received: from localhost (205.pool92-176-231.dynamic.orange.es. [92.176.231.205]) by smtp.gmail.com with ESMTPSA id i3-20020a05600c354300b003ebff290a52sm2051380wmq.28.2023.03.09.03.22.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 09 Mar 2023 03:22:06 -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 12:22:06 +0100 Message-ID: <87bkl2cgpt.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