From patchwork Mon Mar 13 15:51:28 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 13172787 X-Patchwork-Delegate: neil.armstrong@linaro.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C05B0C61DA4 for ; Mon, 13 Mar 2023 15:54:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=KLXswNXABrvXW1sDDxp7CA7TgFNYRHAAqukk6LNK9Rc=; b=q3gPpyQvScfT5L CLjrpwqOnpbYgQM36V+GbhgsD4itY3LzWQhqyvWqT7J8Cs0xchtZ98TBlwy/ixEnZDEuGwAMq+P9M NdcmYq4SVmNWtOszMkYQBrwzzLuEGGyuc7SWaMDPmCoNIOCUrWK0MY7XiVb2E1dsg7LBXSOZzl16F qvyDgnkgoI7CmMhazU2DXlAZX4tgb9EXtahWTiEJcmevArHxYyGtxIfWWT9WPgOEqnrQBCQ+vZa77 C+xJwoBFUYlFNH+/e9Xb7pyGTF+9xbSatSsoGSeUihUBnoPt8eScoOR00QHYO+FJ53mKWSe93hnOZ zQ+idtNRHJPn50yzbHGA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pbkVW-006WzG-Io; Mon, 13 Mar 2023 15:54:42 +0000 Received: from smtp-out1.suse.de ([2001:67c:2178:6::1c]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1pbkSh-006VO5-6e; Mon, 13 Mar 2023 15:51:53 +0000 Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id 3274022ADB; Mon, 13 Mar 2023 15:51:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1678722704; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=fR+2SJ4TrEUtPfEMU6CNLBFUyBog9EUVJWhhdGLQeX8=; b=cTyn6r2RY4e4WUTaBER8Tu1tgVGV36dDhw6397d9UpdVnhDGEuL+A6UNXnaQQatpJZ/Qx4 6HPF4pUIliblc8/Bbmhhz0XjYvoPZm+/NvUNGZDO7lPe+5amglreel52jy3KMIWHk+znPa ZENRQMGZGm5duGbTp8sQxS0KRs0TX4w= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1678722704; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=fR+2SJ4TrEUtPfEMU6CNLBFUyBog9EUVJWhhdGLQeX8=; b=ybdBi+7Vn+ELxTRjS5aU29KQCFf22mx/qwOvvamqS/3QJ9Kq9p3BC0vM0cmTNrMSb3pdyA T0u3cHJ6HaWR4ACA== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id E82CE139F9; Mon, 13 Mar 2023 15:51:43 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id 0F/FN49GD2RhegAAMHmgww (envelope-from ); Mon, 13 Mar 2023 15:51:43 +0000 From: Thomas Zimmermann To: javierm@redhat.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, airlied@gmail.com, daniel@ffwll.ch, linus.walleij@linaro.org Cc: linux-aspeed@lists.ozlabs.org, dri-devel@lists.freedesktop.org, linux-stm32@st-md-mailman.stormreply.com, linux-amlogic@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-arm-kernel@lists.infradead.org, Thomas Zimmermann Subject: [PATCH v2 15/25] drm/stm: Use GEM DMA fbdev emulation Date: Mon, 13 Mar 2023 16:51:28 +0100 Message-Id: <20230313155138.20584-16-tzimmermann@suse.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230313155138.20584-1-tzimmermann@suse.de> References: <20230313155138.20584-1-tzimmermann@suse.de> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230313_085147_502345_14A3DE1C X-CRM114-Status: GOOD ( 11.87 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org 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 --- drivers/gpu/drm/stm/drv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/stm/drv.c b/drivers/gpu/drm/stm/drv.c index 50410bd99dfe..422220df7d8c 100644 --- a/drivers/gpu/drm/stm/drv.c +++ b/drivers/gpu/drm/stm/drv.c @@ -18,7 +18,7 @@ #include #include #include -#include +#include #include #include #include @@ -203,7 +203,7 @@ static int stm_drm_platform_probe(struct platform_device *pdev) if (ret) goto err_put; - drm_fbdev_generic_setup(ddev, 16); + drm_fbdev_dma_setup(ddev, 16); return 0;