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 821BE6AD9 for ; Thu, 9 Mar 2023 11:26:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1678361199; 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=dyNhlerx4KGeQzPVLdJY9VxEpDzCTyrV4VJYcaj79/bXeb17BW28rHrFQeZrrULp0wu0Nk Yqg+k0I23aVXEDWC6CXPOgHW4gtwm+aen/P3xovNsKwOt/Xrt2bl3CEELAYS29f9k66XjV UsP8oh8wPGAH/qrupd7RhTP5rXhqPbU= Received: from mail-wm1-f69.google.com (mail-wm1-f69.google.com [209.85.128.69]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-580-NaHMc23dMXCmf_x2XvvKlQ-1; Thu, 09 Mar 2023 06:26:38 -0500 X-MC-Unique: NaHMc23dMXCmf_x2XvvKlQ-1 Received: by mail-wm1-f69.google.com with SMTP id m31-20020a05600c3b1f00b003e9de8c95easo545534wms.2 for ; Thu, 09 Mar 2023 03:26:38 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1678361197; 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=N/XxU1pkC05xKeZjnszp8R0IiLEfBK3tOCiEd6cDVm31E7zjGhi4f76iM+r61ErnNU /MD347aOP4fPR4Xx6i7E47on4qiFP2WzHUem9E3r19KL9nubsM8hTYOxQ5jq5BUMaM4c cz1ySPXoKj8wz05jFHb1bgz8cxKDUymDF7dUi5YvluZGSX4Ig//khmwv4790GKb9kAxN us1qCDYsl/AvgRNBT83p01QDMNy+SJqkQ2Ojme7gkB95yMkQZbaxBYC3G5NfvFQRQAZj 7nagzh3CnitaBJMVP7JtBkeEjDzwJK87k94wrrOLrpE4QSXZNq8YQfSQAsdn0QxHOZ8l yU+Q== X-Gm-Message-State: AO0yUKU58L7f5recPgvo8aFvY1g4+Po3s21k6MmpPbslP2JjqP+nhrBe NA5tggfiWbjpGGiQirmlAHdpiXeJvjEo5yNpUfD5bHn/Dy2VG3rRdPfhiS7zoJ+XKM8m8mBM51G gMbDCadlcCikOJjxoOhmqo9M= X-Received: by 2002:a05:600c:19cf:b0:3db:5f1:53a5 with SMTP id u15-20020a05600c19cf00b003db05f153a5mr19369401wmq.20.1678361197631; Thu, 09 Mar 2023 03:26:37 -0800 (PST) X-Google-Smtp-Source: AK7set+RyBjxyYc/phvqksZd0yr2bTO+U8qhrE/l56ozt/Hpw5EwIkObMj058GJMfnxZhhD8JebzIw== X-Received: by 2002:a05:600c:19cf:b0:3db:5f1:53a5 with SMTP id u15-20020a05600c19cf00b003db05f153a5mr19369354wmq.20.1678361197403; Thu, 09 Mar 2023 03:26:37 -0800 (PST) Received: from localhost (205.pool92-176-231.dynamic.orange.es. [92.176.231.205]) by smtp.gmail.com with ESMTPSA id k23-20020a05600c1c9700b003e21f01c426sm2647711wms.9.2023.03.09.03.26.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 09 Mar 2023 03:26:37 -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 15/22] drm/stm: Use GEM DMA fbdev emulation In-Reply-To: <20230301153101.4282-16-tzimmermann@suse.de> References: <20230301153101.4282-1-tzimmermann@suse.de> <20230301153101.4282-16-tzimmermann@suse.de> Date: Thu, 09 Mar 2023 12:26:36 +0100 Message-ID: <87pm9i6u8j.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