From patchwork Mon Mar 13 15:51:20 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 13172797 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 AB8B6C61DA4 for ; Mon, 13 Mar 2023 15:54:26 +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=QORtFzONxbX4ju+Ui5fnXH78M0jA3de4V9OuFXHASps=; b=y2GipNhkhuDrb5 1LWEnP+VQiRPNjZYPOOXKSOyXVcbbcPsIHT0KNrQ/Axm6Gex8oExxvE1J25DzsXztYUVnBxoCT6ga tkb4RxvIcf8T+w+HLxhUKGsNNxyMoA39qO6++qe6NJfXszYEaqQFvxwnfnOaaxasms+uHPfoqroB/ tYBZNbfYfAscIatSjVrrg2jvPsZLzu/lWWjFU8toTonnHDdEOALaIcP/Iv9PIny2VJ350pzPkBcqA 2lvncb/FAtXXPXE7QKp6H/JfAIvKLZRY5L8yLZTWjcpcmgOB3qG0SnBD4BaNMDrML+KET7UIIpvSE vqWj78Mc+BoeYAZPSAcA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pbkUI-006WOz-Tm; Mon, 13 Mar 2023 15:53:27 +0000 Received: from smtp-out2.suse.de ([195.135.220.29]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1pbkSg-006VNc-FF; Mon, 13 Mar 2023 15:51:50 +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-out2.suse.de (Postfix) with ESMTPS id 08FB51FE13; Mon, 13 Mar 2023 15:51:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1678722702; 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=3YtpAFN7zjrzgA2sJtiUME75jFZgyE7NtvmD9EOyGjs=; b=wzQ39T44QFfYdkBuyD4VDUtGta6KBpK9Y4jJCGgfsJNJtPfJzt/aNhzlULMA4sjU2aTS9Y NiQN9pkP1E62jp64fHvCTcIat/5w4neqJmXcTxPHODN5BxAnmWprJXT8j07m9ssnNn8sfj jghWxgxM7/E82JPRpQuCWQyfzPv7Igo= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1678722702; 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=3YtpAFN7zjrzgA2sJtiUME75jFZgyE7NtvmD9EOyGjs=; b=zN16K2UHPs5QlAUyX90yUGduAdC7QmOS1dTo7ryxgQ7ZEkgruawtVpYVTP/UUnGdwObn5L I4ExCnnr6izJpACQ== 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 C0FA9139F9; Mon, 13 Mar 2023 15:51:41 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id CKdALo1GD2RhegAAMHmgww (envelope-from ); Mon, 13 Mar 2023 15:51:41 +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 07/25] drm/imx/dcss: Use GEM DMA fbdev emulation Date: Mon, 13 Mar 2023 16:51:20 +0100 Message-Id: <20230313155138.20584-8-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_085146_864974_AB702396 X-CRM114-Status: GOOD ( 10.89 ) X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=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/imx/dcss/dcss-kms.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/imx/dcss/dcss-kms.c b/drivers/gpu/drm/imx/dcss/dcss-kms.c index dab5e664920d..896de946f8df 100644 --- a/drivers/gpu/drm/imx/dcss/dcss-kms.c +++ b/drivers/gpu/drm/imx/dcss/dcss-kms.c @@ -7,7 +7,7 @@ #include #include #include -#include +#include #include #include #include @@ -145,7 +145,7 @@ struct dcss_kms_dev *dcss_kms_attach(struct dcss_dev *dcss) if (ret) goto cleanup_crtc; - drm_fbdev_generic_setup(drm, 32); + drm_fbdev_dma_setup(drm, 32); return kms;