From patchwork Thu Apr 6 13:21:04 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 13203333 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 A00F3C77B71 for ; Thu, 6 Apr 2023 13:22:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238430AbjDFNW0 (ORCPT ); Thu, 6 Apr 2023 09:22:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50260 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238518AbjDFNWR (ORCPT ); Thu, 6 Apr 2023 09:22:17 -0400 Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.220.28]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5B63793F1 for ; Thu, 6 Apr 2023 06:21:58 -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 F15EE225A5; Thu, 6 Apr 2023 13:21:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1680787271; 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=ta8f8WHREs5bm4b1Ti3FczQdjKLh0lCzor3tvYZlBU8=; b=MmvU5nwEksjkx15HCDtEwEhjjjC8P3ar7uZUMI0ev4iw/lY3c4KOeWsaQntyDp0OIvlTra hIxujnQrdwBEFPgCUgBF9auYYkC4Sp6pIsTqbKkkBhmoTsM+3xyVDCYh7fSRGAYVAZla18 pZS2zpeS28Gi4uI+tk7pKkLxh6wDqWc= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1680787272; 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=ta8f8WHREs5bm4b1Ti3FczQdjKLh0lCzor3tvYZlBU8=; b=l3QfOftGNyQ/s8eNfOFdjOADVBa1+1wjQA9SXRtdiVrBuiu3caHmtE7+6d5Yf/6KL0l6wV t2YYodPZa21KxQAA== 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 C883313A1D; Thu, 6 Apr 2023 13:21:11 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id iEARMEfHLmSqBwAAMHmgww (envelope-from ); Thu, 06 Apr 2023 13:21:11 +0000 From: Thomas Zimmermann To: javierm@redhat.com, daniel.vetter@ffwll.ch, patrik.r.jakobsson@gmail.com Cc: dri-devel@lists.freedesktop.org, Daniel Vetter , Thomas Zimmermann , Helge Deller , linux-fbdev@vger.kernel.org Subject: [PATCH v5 4/9] video/aperture: Only kick vgacon when the pdev is decoding vga Date: Thu, 6 Apr 2023 15:21:04 +0200 Message-Id: <20230406132109.32050-5-tzimmermann@suse.de> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230406132109.32050-1-tzimmermann@suse.de> References: <20230406132109.32050-1-tzimmermann@suse.de> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org From: Daniel Vetter Otherwise it's a bit silly, and we might throw out the driver for the screen the user is actually looking at. I haven't found a bug report for this case yet, but we did get bug reports for the analog case where we're throwing out the efifb driver. v2: Flip the check around to make it clear it's a special case for kicking out the vgacon driver only (Thomas) v4: - fixes to commit message - fix Daniel's S-o-b address v5: - add back an S-o-b tag with Daniel's Intel address Link: https://bugzilla.kernel.org/show_bug.cgi?id=216303 Signed-off-by: Daniel Vetter Signed-off-by: Daniel Vetter Cc: Thomas Zimmermann Cc: Javier Martinez Canillas Cc: Helge Deller Cc: linux-fbdev@vger.kernel.org Reviewed-by: Javier Martinez Canillas --- drivers/video/aperture.c | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) diff --git a/drivers/video/aperture.c b/drivers/video/aperture.c index d0eccc4ed60b..26bdba6b2725 100644 --- a/drivers/video/aperture.c +++ b/drivers/video/aperture.c @@ -342,13 +342,15 @@ int aperture_remove_conflicting_pci_devices(struct pci_dev *pdev, const char *na return ret; } - /* - * WARNING: Apparently we must kick fbdev drivers before vgacon, - * otherwise the vga fbdev driver falls over. - */ - ret = vga_remove_vgacon(pdev); - if (ret) - return ret; + if (primary) { + /* + * WARNING: Apparently we must kick fbdev drivers before vgacon, + * otherwise the vga fbdev driver falls over. + */ + ret = vga_remove_vgacon(pdev); + if (ret) + return ret; + } return 0;