From patchwork Mon Mar 13 15:51:37 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 13172824 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 25089C61DA4 for ; Mon, 13 Mar 2023 16:06:51 +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=7Nyes0W3SAEhp7FsqmUMmVGSyp3bjkJEloh8luEI8vE=; b=qMwsvsWETIBl0z 8+vSte5G0mr53UIABI5OwVUv/IXdTamvnYfPlXlD9HVRBdMvGmlCJFG3iYINDTrHtZ3u/EsQfJSv2 zN+DvxSnyDnnY7oLrLQ6AJU+A198IMEmBgBKjfOeBNoffrei1CVWWGDAgqqrekVVnl7oUgGx+x0Ha YoOZfLCRKAW7KTwHbMKvocPjrYdS8cuDxI0GYZ0svD9k3tF9WZpW+alYbKXa8Qh67wIL0quIrDLKW FG9/6Kq6bVeBOalN2MlklqyULZNH3DJdnwMwEJUPJ6wMWF4cnGIkfaIdOXQDm/xQrj92Nvfgg64Ak bD6VBKyc4f+PvaDZOdoQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pbkg1-006c9l-SG; Mon, 13 Mar 2023 16:05:35 +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 1pbkSp-006VWh-CH; Mon, 13 Mar 2023 15:51:59 +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 911591FE20; Mon, 13 Mar 2023 15:51:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1678722706; 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=2pZK9hJVZsRtkuXk4C1IP2Gtl5RKfKzAeU/AIX4IAqY=; b=TtLkiSgbd5/M8hmaMjQW6VQqbIH46B6pho2w6vL7NVtzMoJU1+j/k/CmU4utAkQvglfr6n 1A/mfq5E1J0gD6D8/ozCwk99+gmIE1j4tzw1KqwO8D3dRxtLsrQdvPLaOOJplMtV3H8KQa f/3riqT83ipCpeSMcv/R7mnQRPhxwbI= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1678722706; 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=2pZK9hJVZsRtkuXk4C1IP2Gtl5RKfKzAeU/AIX4IAqY=; b=zdpwQmo8klnYhpkZZMI6/wOcJRQ4rK/nZO0q0kfFEkb+mBwa3slhkRewisiWrJhPy4eBzd psA0Khfyx9J737BQ== 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 5521E13517; Mon, 13 Mar 2023 15:51:46 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id SPDbE5JGD2RhegAAMHmgww (envelope-from ); Mon, 13 Mar 2023 15:51:46 +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 24/25] drm/mcde: Use GEM DMA fbdev emulation Date: Mon, 13 Mar 2023 16:51:37 +0100 Message-Id: <20230313155138.20584-25-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_085155_655357_BDCA4268 X-CRM114-Status: GOOD ( 12.04 ) 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. Reported-by: Linus Walleij Link: https://lore.kernel.org/dri-devel/CACRpkdawSQsNqKJkSSoSw3HmMHyNXFUywxkdszpTC-a_uZA+tQ@mail.gmail.com/ Signed-off-by: Thomas Zimmermann Reviewed-by: Linus Walleij Tested-by: Linus Walleij --- drivers/gpu/drm/mcde/mcde_drv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/mcde/mcde_drv.c b/drivers/gpu/drm/mcde/mcde_drv.c index a592ad0d7886..a8cd86c06c14 100644 --- a/drivers/gpu/drm/mcde/mcde_drv.c +++ b/drivers/gpu/drm/mcde/mcde_drv.c @@ -69,7 +69,7 @@ #include #include #include -#include +#include #include #include #include @@ -237,7 +237,7 @@ static int mcde_drm_bind(struct device *dev) if (ret < 0) goto unbind; - drm_fbdev_generic_setup(drm, 32); + drm_fbdev_dma_setup(drm, 32); return 0;