From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f182.google.com (mail-pl1-f182.google.com [209.85.214.182]) (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 970684189DD for ; Fri, 31 Jul 2026 12:19:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.182 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785500375; cv=none; b=EMEaH94VSY3wNQfQNyOwnW2VRnD8MD0RYSAoT15RGxAi/stgJm74FCvvdJFyipfZSbB5Ur4nXGOe46whEgnDfpPYK20Gu4h+tyKT40BSlihl9R5FnVTOvNyX+JxZwL6UwvIIsHlZGvuZ42EpYaOsmwmxGvTvKT6iUEybMP3PdOI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785500375; c=relaxed/simple; bh=UWUqxiHy7gFxk+c6H2K9YnLPMNAZarkqKR1p4gyNXJ4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=KK/y6cxXlwz+mp9hShRdfYxaEhVT9sk3vpTZhl/iSdW2fh/t8447JmRNDfgtfbHLN8xCMWp3l0LA/3vL4QhsVXr2j/ggrcfeY9SRejBGq0CjNe2gCBkyRxqX+A4yM8mk0u7nJ6C0vsww8h+DcXSRIEd8nZM+7cAV6oQr2WDCJt8= 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=HX2gDhMm; arc=none smtp.client-ip=209.85.214.182 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="HX2gDhMm" Received: by mail-pl1-f182.google.com with SMTP id d9443c01a7336-2d0407aedd6so8777585ad.0 for ; Fri, 31 Jul 2026 05:19:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=0x0f.com; s=google; t=1785500372; x=1786105172; 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=2f94xloHl4xvf0KqfbafdGgU1JTOpluCmeN1ZaakJsw=; b=HX2gDhMmrCcYippymw695bl3E7SesdM+QJZY1vRT1ZERsm+UvRJiYZ/BUKEZxSWVzy 0lIsY3x8ZH7S/VHglL00rGjGz86Dbl1OY1gY3TOir/W2zYTt0ZvlMh6nd1VdnbrQT6KX sbJ0+p6C3ydTAnwxKMUK7Iv52bNWW5GS0+J/o= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1785500372; x=1786105172; 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=2f94xloHl4xvf0KqfbafdGgU1JTOpluCmeN1ZaakJsw=; b=o2qj/1+jT5Q5tSFihxcGOP/byFX6kdU0nWGUy3xxh09542GzjhUxFoWd8VxJJuwbPL nQTdbHZeyZLs16/1HKckfNGtr9O5vfybrNDCjT2nWax8njUmlAQL193fC/jsyM9jiOp9 P0Bul7yR3SylZKQlE0P3EAlEg6fY5OrqGdNUplVUAgf0fUDdaXesOK+Furty90kfxCdG vd1zdKkepr9vfhjDmUcBc06x6Gf1NVFOif4U6H/5YbVwHEMzsiJKHydrElo9TWoFVH7G 3ieaG5RwF2PlvS5yJwhvXiu9mSfy/SXHaNne6ZxNUi+OTKurxEK1kExlfL5ecJXZR6Vw vOKg== X-Gm-Message-State: AOJu0Yy4WNgE+h3Ek3+fFwq7jrS13ADSynKwJFKVbDhscEy2tkIzDa8c zHJfJZAlPEKodNWnZrl7mTFGkm5dAVhdCzzJY5gXz9572CN3RgkYxRSsEdldwJNaQvE= X-Gm-Gg: AR+sD11ybOhtIzbrE4TIrkgKt0PWUG8f7SjItfgL7pFQDBc5TafAbul3MqfLeaGCZKV 0suKo5FrmvNCYqL53yAqD11XlBD9FD25f+8IZHbtdIoqbwV73f1xE9ZIBt94P8Pwn/8XeOEVNXJ muJF4UKKqdCkM2NNQPhRtNCabqWnPq254P2tVUxqIwdCCTLS7avndkHtbfgQmJvDNCGR3pubv3z ppXT5tyW0HkD5PxwQffEoeSqe0XLT/9zN9GIKwGrv4UP33SCqGRw0vEIIX5bQxxitC/trpN3Q0H uJ+VSpm/ZDFSTqZ+1f4nkh2dTgQ27nY5S1AWZ07cb5ima2aXUc1qALX56ESkvlRcrKSMiTjl18C LHtolnuGva9EhWgEivk6Zcly1Tq7uDckFZ4u87AvD9NWBRKAZKhkX6vp+xBA6QFoQmIuFuD3dUv X4jnQTLbIUblsIxMJVBZy8aazvq01wak78ZfHvgNp9zlnE79CqTpV9UOP0owGrR0c= X-Received: by 2002:a17:90b:57c7:b0:384:5dbc:cba5 with SMTP id 98e67ed59e1d1-38fb1378a80mr1615857a91.26.1785500371570; Fri, 31 Jul 2026 05:19:31 -0700 (PDT) Received: from shiro ([2400:4162:2428:2ffe:77cc:841c:1fc1:22d4]) by smtp.googlemail.com with ESMTPSA id 98e67ed59e1d1-38fb2b8c5c5sm321981a91.4.2026.07.31.05.19.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 31 Jul 2026 05:19:31 -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 v2 4/5] fbdev: tdfxfb: Wake the VGA core before programming the CRTC Date: Fri, 31 Jul 2026 21:19:13 +0900 Message-ID: <20260731121915.3362232-5-daniel@0x0f.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260731121915.3362232-1-daniel@0x0f.com> References: <20260731121915.3362232-1-daniel@0x0f.com> Precedence: bulk X-Mailing-List: linux-fbdev@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 4d92ab5b5430..f2b658a47135 100644 --- a/drivers/video/fbdev/tdfxfb.c +++ b/drivers/video/fbdev/tdfxfb.c @@ -485,6 +485,10 @@ 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