From patchwork Mon Jul 10 12:50:05 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 13307099 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 B913EC001DE for ; Mon, 10 Jul 2023 13:01:58 +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=OZu0dlB4K8SiHBdoL99glLBxOfQObdfeftDxRDhlNcM=; b=2Uc7yboCMS2AwA bN0JJzJ69WcTvhWYmkLrXJ77EEOJkhqOW7eesy/isaFFkNPgKyYWrj2TNfM9nzSVm+8GYdFT5Gf/s SHVunLbJEeEHCMrGx8GTDjb9y3cDUq43sNeNkOMbJVfWiMAZfl145Qo32v276WLQGpoJbW5l/Olvq AM0RGIVUlMYf3MXT7gUNlX0QAVNs1CsxYwAVnF9ZiNpPLXk9m/xtPvdxU0EV/Xvb5M+caunY41DPY Xq91fuzB6PSiCQYD9phaQmop0FLfXRdp8JSfKjndZ3D2CFQhAkT4Nh7nAxGHPfQYZqlJeYvfWDKzi iFJehjgjGniDaPd/DRZA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qIqW6-00Bg4U-25; Mon, 10 Jul 2023 13:01:26 +0000 Received: from smtp-out1.suse.de ([195.135.220.28]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qIqVy-00Bfw8-2G; Mon, 10 Jul 2023 13:01:20 +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 69930221B9; Mon, 10 Jul 2023 13:01:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1688994075; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=I6jHUTLOadBMYjUf80qf6rlyIX19IATm/ZzTXSRhIKs=; b=lx14s2SWC7dAoyZOnHA32Kx1umXEcGU2tjfcmxjPl32xKjv17YA2aZ7tvJsRccdV2xkhGa H1R5fsgEgNzhH6YKM74k3U/zB8jOBfA8+e2amn5oHZtlzrFX1kLtJcyItzuWYu1o2LCML7 X1GfQoZ/SCCeueNejFs6A8BvpfB4gyA= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1688994075; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=I6jHUTLOadBMYjUf80qf6rlyIX19IATm/ZzTXSRhIKs=; b=cos8By64Gpz2Z24Uy4fOOiquIH8VkADLV9ac4U3K4hp5q4FgGWJk6u95t2ZLad0auyyH/0 MwCwj7b10NLhtJBw== 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 0982313A6B; Mon, 10 Jul 2023 13:01:15 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id WBdOARsBrGTTFAAAMHmgww (envelope-from ); Mon, 10 Jul 2023 13:01:15 +0000 From: Thomas Zimmermann To: deller@gmx.de, javierm@redhat.com Cc: linux-sh@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, amd-gfx@lists.freedesktop.org, linux-input@vger.kernel.org, linux-media@vger.kernel.org, linux-fbdev@vger.kernel.org, linux-staging@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-geode@lists.infradead.org, linux-nvidia@lists.surfsouth.com, linux-hyperv@vger.kernel.org, linux-omap@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, kvm@vger.kernel.org, Thomas Zimmermann , Patrik Jakobsson , Alex Deucher , =?utf-8?q?Christian_K=C3=B6nig?= , "Pan, Xinhui" Subject: [PATCH 01/17] drm: Remove flag FBINFO_DEFAULT from fbdev emulation Date: Mon, 10 Jul 2023 14:50:05 +0200 Message-ID: <20230710130113.14563-2-tzimmermann@suse.de> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230710130113.14563-1-tzimmermann@suse.de> References: <20230710130113.14563-1-tzimmermann@suse.de> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230710_060118_904971_2A4C34A6 X-CRM114-Status: GOOD ( 13.02 ) 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 The flag FBINFO_DEFAULT is 0 and has no effect, as struct fbinfo.flags has been allocated to zero by framebuffer_alloc(). So do not set it. Flags should signal differences from the default values. After cleaning up all occurences of FBINFO_DEFAULT, the token can be removed. Signed-off-by: Thomas Zimmermann Cc: Patrik Jakobsson Cc: Alex Deucher Cc: "Christian König" Cc: "Pan, Xinhui" --- drivers/gpu/drm/drm_fbdev_dma.c | 1 - drivers/gpu/drm/drm_fbdev_generic.c | 1 - drivers/gpu/drm/gma500/fbdev.c | 2 +- drivers/gpu/drm/radeon/radeon_fbdev.c | 2 +- 4 files changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/drm_fbdev_dma.c b/drivers/gpu/drm/drm_fbdev_dma.c index 8217f1ddc007..bc5fdb1da6a3 100644 --- a/drivers/gpu/drm/drm_fbdev_dma.c +++ b/drivers/gpu/drm/drm_fbdev_dma.c @@ -123,7 +123,6 @@ static int drm_fbdev_dma_helper_fb_probe(struct drm_fb_helper *fb_helper, drm_fb_helper_fill_info(info, fb_helper, sizes); info->fbops = &drm_fbdev_dma_fb_ops; - info->flags = FBINFO_DEFAULT; /* screen */ info->flags |= FBINFO_VIRTFB; /* system memory */ diff --git a/drivers/gpu/drm/drm_fbdev_generic.c b/drivers/gpu/drm/drm_fbdev_generic.c index 98ae703848a0..8a5600b33e10 100644 --- a/drivers/gpu/drm/drm_fbdev_generic.c +++ b/drivers/gpu/drm/drm_fbdev_generic.c @@ -109,7 +109,6 @@ static int drm_fbdev_generic_helper_fb_probe(struct drm_fb_helper *fb_helper, drm_fb_helper_fill_info(info, fb_helper, sizes); info->fbops = &drm_fbdev_generic_fb_ops; - info->flags = FBINFO_DEFAULT; /* screen */ info->flags |= FBINFO_VIRTFB | FBINFO_READS_FAST; diff --git a/drivers/gpu/drm/gma500/fbdev.c b/drivers/gpu/drm/gma500/fbdev.c index 955cbe9f05a7..b09a3ef770d4 100644 --- a/drivers/gpu/drm/gma500/fbdev.c +++ b/drivers/gpu/drm/gma500/fbdev.c @@ -215,7 +215,7 @@ static int psb_fbdev_fb_probe(struct drm_fb_helper *fb_helper, } info->fbops = &psb_fbdev_fb_ops; - info->flags = FBINFO_DEFAULT; + /* Accessed stolen memory directly */ info->screen_base = dev_priv->vram_addr + backing->offset; info->screen_size = size; diff --git a/drivers/gpu/drm/radeon/radeon_fbdev.c b/drivers/gpu/drm/radeon/radeon_fbdev.c index ab9c1abbac97..c632ca03032b 100644 --- a/drivers/gpu/drm/radeon/radeon_fbdev.c +++ b/drivers/gpu/drm/radeon/radeon_fbdev.c @@ -253,7 +253,7 @@ static int radeon_fbdev_fb_helper_fb_probe(struct drm_fb_helper *fb_helper, } info->fbops = &radeon_fbdev_fb_ops; - info->flags = FBINFO_DEFAULT; + /* radeon resume is fragile and needs a vt switch to help it along */ info->skip_vt_switch = false;