From nobody Mon Jun 29 07:53:44 2026 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 C4E6DC433EF for ; Mon, 14 Feb 2022 16:03:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1351045AbiBNQD0 (ORCPT ); Mon, 14 Feb 2022 11:03:26 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:49012 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230159AbiBNQDX (ORCPT ); Mon, 14 Feb 2022 11:03:23 -0500 X-Greylist: delayed 449 seconds by postgrey-1.37 at lindbergh.monkeyblade.net; Mon, 14 Feb 2022 08:03:14 PST Received: from relay-us1.mymailcheap.com (relay-us1.mymailcheap.com [51.81.35.219]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 733FE19C3E for ; Mon, 14 Feb 2022 08:03:14 -0800 (PST) Received: from relay5.mymailcheap.com (relay5.mymailcheap.com [159.100.248.207]) by relay-us1.mymailcheap.com (Postfix) with ESMTPS id A51962001E for ; Mon, 14 Feb 2022 15:55:44 +0000 (UTC) Received: from relay2.mymailcheap.com (relay2.mymailcheap.com [217.182.113.132]) by relay5.mymailcheap.com (Postfix) with ESMTPS id CCC0F267CE for ; Mon, 14 Feb 2022 15:55:41 +0000 (UTC) Received: from filter1.mymailcheap.com (filter1.mymailcheap.com [149.56.130.247]) by relay2.mymailcheap.com (Postfix) with ESMTPS id DAE5D3EDEC; Mon, 14 Feb 2022 16:55:39 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by filter1.mymailcheap.com (Postfix) with ESMTP id 3D7CD2A35B; Mon, 14 Feb 2022 15:55:39 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at filter1.mymailcheap.com Received: from filter1.mymailcheap.com ([127.0.0.1]) by localhost (filter1.mymailcheap.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id eU2a3EGzd8VZ; Mon, 14 Feb 2022 15:55:38 +0000 (UTC) Received: from mail20.mymailcheap.com (mail20.mymailcheap.com [51.83.111.147]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by filter1.mymailcheap.com (Postfix) with ESMTPS; Mon, 14 Feb 2022 15:55:38 +0000 (UTC) Received: from ice-e5v2.lan (unknown [59.41.163.244]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mail20.mymailcheap.com (Postfix) with ESMTPSA id 25D67424E6; Mon, 14 Feb 2022 15:55:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=aosc.io; s=default; t=1644854137; bh=1GTF2NsHj3ZBXPclibNh2/lJMbhULqnyJD2XKSlxgps=; h=From:To:Cc:Subject:Date:From; b=MEnyUJ7Nm3KnigPQI7oVCwI98sdJmq0MHRKMeTZ8mVcFZzeQWQ6e0CCzXAvhEtmt+ uqKSIXH1zqBWApUv9R6O+wtSdXfdxHm8QaGL3cXh7xqNtMe19pTAuLoaa+Hz1qKgJi Ma11SBIxtadPwNA8athuskRw8rP4x96XO3TrroKI= From: Icenowy Zheng To: Ben Skeggs , David Airlie , Daniel Vetter Cc: dri-devel@lists.freedesktop.org, nouveau@lists.freedesktop.org, linux-kernel@vger.kernel.org, Icenowy Zheng Subject: [PATCH] drm/nouveau/bios: Use HWSQ entry 1 for PowerBook6,1 Date: Mon, 14 Feb 2022 23:55:18 +0800 Message-Id: <20220214155518.2980270-1-icenowy@aosc.io> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" On PowerBook6,1 (PowerBook G4 867 12") HWSQ entry 0 (which is currently always used by nouveau) fails, but the BIOS declares 2 HWSQ entries and entry 1 works. Add a quirk to use HWSQ entry 1. Signed-off-by: Icenowy Zheng --- drivers/gpu/drm/nouveau/nouveau_bios.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouve= au/nouveau_bios.c index e8c445eb11004..2691d0e0cf9f1 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bios.c +++ b/drivers/gpu/drm/nouveau/nouveau_bios.c @@ -1977,6 +1977,13 @@ static int load_nv17_hw_sequencer_ucode(struct drm_d= evice *dev, if (!hwsq_offset) return 0; =20 +#ifdef __powerpc__ + /* HWSQ entry 0 fails on PowerBook G4 867 12" (Al) */ + if (of_machine_is_compatible("PowerBook6,1")) + return load_nv17_hwsq_ucode_entry(dev, bios, + hwsq_offset + sz, 1); +#endif + /* always use entry 0? */ return load_nv17_hwsq_ucode_entry(dev, bios, hwsq_offset + sz, 0); } --=20 2.30.2