From patchwork Fri Jul 7 08:31:56 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 13304588 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CF91FEB64DA for ; Fri, 7 Jul 2023 08:34:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229555AbjGGIec (ORCPT ); Fri, 7 Jul 2023 04:34:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60104 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232795AbjGGIea (ORCPT ); Fri, 7 Jul 2023 04:34:30 -0400 Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.220.28]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3F1E090; Fri, 7 Jul 2023 01:34:29 -0700 (PDT) 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 B524B227C2; Fri, 7 Jul 2023 08:34:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1688718867; 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=eQNmIiu9FPrQ2iRFAnnWdhmaGOI2fQCKVb/yrH90NQ8=; b=VeGHrl+4naMUigWFJNgEaHbu8l+a60ndGxJ7jItht0CUySXoV8YHaBTfLYw/VdL86VZZsA QyjiDXEpl6KZjpPlCWAtMtGsTa+T6m+7ls1a9scipqZ48pGc7pK2QUU3/p5W7MQB2nDR9d +KiOZ68xCMpWx6v4n1I+dsM4ApWVXK4= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1688718867; 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=eQNmIiu9FPrQ2iRFAnnWdhmaGOI2fQCKVb/yrH90NQ8=; b=wo4WMPJab2ru9dl6PlbaSjWgsH22ME7eqg1cTwguI/1l937mvCouAwYLwLtIdouvLKn9qX sN755NhhPzcmpdBA== 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 7953813A18; Fri, 7 Jul 2023 08:34:27 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id QNhIHBPOp2RdQAAAMHmgww (envelope-from ); Fri, 07 Jul 2023 08:34:27 +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 , Thierry Reding , Mikko Perttunen Subject: [PATCH v3 05/12] drm/tegra: Store pointer to vmap'ed framebuffer in screen_buffer Date: Fri, 7 Jul 2023 10:31:56 +0200 Message-ID: <20230707083422.18691-6-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 Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org Tegra uses DMA-able memory, which has to be acessed with CPU ops for system-memory. Store the framebuffer's vmap address in struct fb_info.screen_buffer. The currently used field 'screen_base' is for I/O memory. Suggested-by: Thierry Reding Signed-off-by: Thomas Zimmermann Cc: Thierry Reding Cc: Mikko Perttunen Reviewed-by: Javier Martinez Canillas Acked-by: Thierry Reding --- drivers/gpu/drm/tegra/fbdev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/tegra/fbdev.c b/drivers/gpu/drm/tegra/fbdev.c index d8460c5dc91e..0b55215d2b7e 100644 --- a/drivers/gpu/drm/tegra/fbdev.c +++ b/drivers/gpu/drm/tegra/fbdev.c @@ -133,7 +133,7 @@ static int tegra_fbdev_probe(struct drm_fb_helper *helper, } info->flags |= FBINFO_VIRTFB; - info->screen_base = (void __iomem *)bo->vaddr + offset; + info->screen_buffer = bo->vaddr + offset; info->screen_size = size; info->fix.smem_start = (unsigned long)(bo->iova + offset); info->fix.smem_len = size;