From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f174.google.com (mail-pf1-f174.google.com [209.85.210.174]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 75349453A2F for ; Thu, 30 Jul 2026 18:27:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.174 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785436032; cv=none; b=OVt7QhiXkOOhiKNi4Lq/QcGFnCKAN1cgoKi8Zfl8WIHUBP8Gv6WNitbFAJINxBpk3q91V6UuGYE7gdc3rylkMZBQm1r63k/CcZO2wpelKI0rPNB9UYNv+M17UmcLrj2EYdS/R6Bb7uQPOQC+Bw5okWnywASUfjOqNjrpWDXZBqE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785436032; c=relaxed/simple; bh=hnYtda8JlxtGVwcwnTy5tbE+3Fv+maoisubV7hqJGGc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=egI6UJOrdkbxbBTRX/705IJHI3Fuy2PqhXpVoB8/jF4wLWn63HLnIM1tt9bv29hTKg9zFdyQOoII4QHLUpXEVtRap5vuq1k9mCeKj4pfi0ppkKlBAe61jAR62WAcwCCmWtAU7EjHtoNcqpErFxGqBHQ02euz8kuSgfCKjUB7b/8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=0x0f.com; spf=pass smtp.mailfrom=0x0f.com; dkim=pass (1024-bit key) header.d=0x0f.com header.i=@0x0f.com header.b=ruo54feF; arc=none smtp.client-ip=209.85.210.174 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=0x0f.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=0x0f.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=0x0f.com header.i=@0x0f.com header.b="ruo54feF" Received: by mail-pf1-f174.google.com with SMTP id d2e1a72fcca58-8485b358552so251534b3a.2 for ; Thu, 30 Jul 2026 11:27:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=0x0f.com; s=google; t=1785436030; x=1786040830; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=JhElDLQZHukV2QsaThv4BOaHBxc1XzjF+Kx9MuUiQB0=; b=ruo54feFvtb91TCQljMGR45jQUYzvkxf3+6ubwE/dYS9dXuMDoNkqQFO1dDnPslI80 TK0Ngw+FO+GYfTlMCNu7sFKoch4UW1qbmVcyvcmd0SVb9/YZHIsAjnUANbqD/vfXxSnU 9gSgIZliDdYMx6Ihbgc5YSBnISlmhJUJUOk6A= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1785436030; x=1786040830; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to:content-type; bh=JhElDLQZHukV2QsaThv4BOaHBxc1XzjF+Kx9MuUiQB0=; b=eFrQllYyeFmd2zw8PIKYAiX61EcG8sqAMXyjAQ8mvE10aGvnkvLM+LPArhplq7MhUm f7jFq+rcrJF36fQX6FQW9M4Pg1g7UGkkR7brPxTrE7OpZnsUpnu4U19lfpwP/I+30l9B 9Y14HkfOcOpD48FSDCGJk5PVLJXQYoj+lVaKac3yZD7QDt7JuHeVoBWTq24bZJ9wB8xM kJjhtamLkyinwPlaQ3/OgwyPl144+LV2r62mt7MY4x0o15+3hx4+0KqgozHRoxyUMG6a cI0pWfo6opEHzsHHok4PIBt0yTaCtDzLsJF1cx3HOvTivrMQVR6bhPhXaSJtT28HDFC7 fk/w== X-Forwarded-Encrypted: i=1; AHgh+RrpecDlyHkW6+xuCMoNsFtdaJ5PwKmBrn4BUVJAbNNlh4umFVRRXY2Jm8vweeCjGHpoh4fLxiH/p/Uuv8M=@vger.kernel.org X-Gm-Message-State: AOJu0YyXZWoaieMOxd7TMrE1xh/r+2KplszsvxrilHIfLONUhpHtvQXn D+qSIL7AeliIOtCEnFmDAfAgbuP+wDQ8gWRY7RFvzTb+Elimotxrj3qbjKoEoCWlNlo= X-Gm-Gg: AR+sD11Y9oJHvfi5+P1UdafkPwW+9c1PJHzkLT63CmzGXXpex1dU2I+naLnw7F9d7Tv YB0yvCGD8LSSz3oeMMFnzBJo5rySX1sZZRDXBrb1zzS68jCun7nf+ucwQOQ8/6NHvmtJ0qWDacR o4YI1FevO/kGP1rKvaXcqV7RXkzzHCkK6F7TJF3qdS9O6i5RSFqg38vhnTdV1NDDV+YwdQbjHp9 ncHhCWxuhxaGqXSJ4NOjy3EvL6DmVnE9/VvAADO87vj+F5QE0C4O7f1PXzmxKzjrx/SxuzwFIwO p/6tj3JfhuD0rNBntXCDfmEXPkv056TYbwL19FiQExI9MHH2LtgIZ1yKVyqPdxdMYylWQqtBmVA 2ylRMqv685tvppUGGJ1hHFRMxHFRZ8UEXxV6/DumXA4M8YLrFUW/ACuFFkSPkMdrVKL59HAXDv7 lFx/e+9bU2ZdmhrgPFynVwl494Bei09H5dK7BtdZEDdnhC6sGGjBc= X-Received: by 2002:a05:6a00:a16:b0:847:968c:a0f1 with SMTP id d2e1a72fcca58-84ebc3d0aa4mr3376460b3a.43.1785436029678; Thu, 30 Jul 2026 11:27:09 -0700 (PDT) Received: from shiro ([2400:4162:2428:2ffe:f84d:1f36:28ac:c15e]) by smtp.googlemail.com with ESMTPSA id d2e1a72fcca58-84ea0378b18sm3428806b3a.48.2026.07.30.11.27.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 30 Jul 2026 11:27:08 -0700 (PDT) From: Daniel Palmer To: deller@gmx.de Cc: linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Daniel Palmer Subject: [PATCH 4/5] fbdev: tdfxfb: Wake the VGA core before programming the CRTC Date: Fri, 31 Jul 2026 03:26:39 +0900 Message-ID: <20260730182640.2808572-5-daniel@0x0f.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260730182640.2808572-1-daniel@0x0f.com> References: <20260730182640.2808572-1-daniel@0x0f.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit If the card was unbooted the VGA core needs to be woken up before poking at it. Signed-off-by: Daniel Palmer --- drivers/video/fbdev/tdfxfb.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/video/fbdev/tdfxfb.c b/drivers/video/fbdev/tdfxfb.c index 4c1d847c89c9..9d55efd2c934 100644 --- a/drivers/video/fbdev/tdfxfb.c +++ b/drivers/video/fbdev/tdfxfb.c @@ -482,6 +482,10 @@ static void do_write_regs(struct fb_info *info, struct banshee_reg *reg) tdfx_outl(par, MISCINIT1, tdfx_inl(par, MISCINIT1) | 0x01); + /* Wake the VGA core if it hasn't already been woken up */ + tdfx_outl(par, VGAINIT0, reg->vgainit0); + vga_outb(par, 0x3c3, 0x01); + crt_outb(par, 0x11, crt_inb(par, 0x11) & 0x7f); /* CRT unprotect */ banshee_make_room(par, 3); -- 2.53.0