From patchwork Fri Jul 7 08:31:58 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 13304581 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 8F32AC0015E for ; Fri, 7 Jul 2023 08:35:27 +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=7VH69RRRvXhrAHQvvDJx4ezB1CZ0dslgVQNEFQQ6VfI=; b=uVp1rPHMBBA7Wt JfbcspUt4xsl4nAtiYRW0Zowvq7HDwIcHhJEym7HKMeCjpigsgqkToherhmKIGCnbx5FPavFref5O EJkXbCk/hIhLkIIE7XyvfNoDq6h70A8eYNmOCmwCdRJ3s28LqYCXmRPZ3zLC+4cVPGfLJNTeuZ+jr iBIhV5mQkzYfWOIrG6SzoReoj5wU5IA6YHP9uYEKaBrV25apX+lOy/t+5wwjYQbO4Uj+JN8o9enqZ 7NJ56EF30Lym1SGW9bz1AwHGdCm2TIv0mFAd8PEoqdk19+YeRd9h+p9gLi/aMcf0LbfSFkuJo2hHu sFu862P5UXn1kXQvw1nQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qHgvT-0040dR-2I; Fri, 07 Jul 2023 08:34:51 +0000 Received: from smtp-out1.suse.de ([2001:67c:2178:6::1c]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qHgv9-0040Mk-1i for linux-arm-kernel@lists.infradead.org; Fri, 07 Jul 2023 08:34:34 +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 5D988227C9; Fri, 7 Jul 2023 08:34:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1688718868; 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=29PcOIs6iLDyVAi4PX0zY/wIvImQqtIsi/8f5dKmXFU=; b=yLOKMZYTGNcL7uP8++SrkoIaRCiWMtzIgtttg/CbsF2SF4NTRUkyHc1Ue4oR1jn5O9fM/n BGU+JsBDfhumrjvZmHYNAxudY8v9qeSbB3xQsXYfEVS4iNPiEuo6GoxAT+k1Q1L4mYMU0Z YOZlIMusHDPniHog5u6MHV9L5ViclxU= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1688718868; 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=29PcOIs6iLDyVAi4PX0zY/wIvImQqtIsi/8f5dKmXFU=; b=JCI5Nj4fCXcQYbDI/qXq8Q9sPn9X02hphqoYHvAF7/54mVZP38/pXx/rfpwR8iB4w1XFuF b/s69qwLkEPaV2AQ== 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 1599E13A18; Fri, 7 Jul 2023 08:34:28 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id ePlNBBTOp2RdQAAAMHmgww (envelope-from ); Fri, 07 Jul 2023 08:34:28 +0000 From: Thomas Zimmermann To: javierm@redhat.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org Cc: dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-tegra@vger.kernel.org, linux-fbdev@vger.kernel.org, Thomas Zimmermann , Inki Dae , Seung-Woo Kim , Kyungmin Park , Krzysztof Kozlowski , Alim Akhtar Subject: [PATCH v3 07/12] drm/exynos: Set fbdev FBINFO_VIRTFB flag Date: Fri, 7 Jul 2023 10:31:58 +0200 Message-ID: <20230707083422.18691-8-tzimmermann@suse.de> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230707083422.18691-1-tzimmermann@suse.de> References: <20230707083422.18691-1-tzimmermann@suse.de> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230707_013431_717373_782EE340 X-CRM114-Status: GOOD ( 11.14 ) 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 Mark the framebuffer with FBINFO_VIRTFB. The framebuffer range is in DMA-able memory and should be accessed with the CPU's regular memory ops. v2: * drop FBINFO_FLAG_DEFAULT Signed-off-by: Thomas Zimmermann Reviewed-by: Javier Martinez Canillas Acked-by : Inki Dae Acked-by: Maxime Ripard Cc: Inki Dae Cc: Seung-Woo Kim Cc: Kyungmin Park Cc: Krzysztof Kozlowski Cc: Alim Akhtar --- drivers/gpu/drm/exynos/exynos_drm_fbdev.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c index 7ca3424b59ce..828318de8529 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c @@ -79,6 +79,7 @@ static int exynos_drm_fbdev_update(struct drm_fb_helper *helper, offset = fbi->var.xoffset * fb->format->cpp[0]; offset += fbi->var.yoffset * fb->pitches[0]; + fbi->flags |= FBINFO_VIRTFB; fbi->screen_buffer = exynos_gem->kvaddr + offset; fbi->screen_size = size; fbi->fix.smem_len = size;