From mboxrd@z Thu Jan 1 00:00:00 1970 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 046C7C5516E for ; Thu, 30 Jul 2026 18:27:24 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 4EC5E10F019; Thu, 30 Jul 2026 18:27:23 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (1024-bit key; unprotected) header.d=0x0f.com header.i=@0x0f.com header.b="WDzY3gef"; dkim-atps=neutral Received: from mail-pf1-f180.google.com (mail-pf1-f180.google.com [209.85.210.180]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4445710F023 for ; Thu, 30 Jul 2026 18:27:10 +0000 (UTC) Received: by mail-pf1-f180.google.com with SMTP id d2e1a72fcca58-84864086bfeso252742b3a.1 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=lists.freedesktop.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=WDzY3gef6uaHeXpdddxZ2kH0klDo4wjgWiZvyA6BxfrNa6QGuCQtesnUr6nAw81okf Mxu0/0Fs+l+h/UM+X1gyHd04IXkDGBMyOpXOyfdV2xfohRoNa/kZi/aB0Q9Xqbj5rMHS ppwnd53+LuS441ZDZ3Ouob6sbnO8X3xPbhmg4= 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=rDOs3lHs0xMzs/XkeJjGRqb0GSixuWCA9gWL8WFkW4W9YCU6lpYJU9SJhWKkneMNBW KK3CuwII/BZO9GxCgNrKr4ZcgLzLWLng8nLG9ag/eb4QV6peliLaHD3oTXujufKTFBcx JmuWmRL5XeH4mnBF7m6k8hq5HEfmCwVEgDkTBIqpEDcJetMWYCttE9L8flPk08epmQEC CrYo009CL/RENkvUf/M8/BBBNHC5yfZOALLeAWpvodTYH76zR5sXvbChmjqY/psEDh5j 1PUDyQ569vRRklQoB3MxN5eqh5C2EmLr6/2b/sUG/jHkrUDWimVSGb2BzmHzoeyYOXUn dV8w== X-Forwarded-Encrypted: i=1; AHgh+RqX+iNz01T+FeztsqOUbY0pXXqxI5KG4D3pyKK4jZ+ObYoC/KtZA7TvHFTzSY8PR1LFWlrMdGbg6aM=@lists.freedesktop.org X-Gm-Message-State: AOJu0YxHVnsl8SlZUlRD+tvwL3ezaq18pXOi0Lo9AnVtlPl1RipXoPPO 8Y+AUtyjn/b8Y2CHnNzlUXuTFTJvaR7kU4XIIxdd1WGUh0S6EqAKAmD57X6xP/haEYs= X-Gm-Gg: AR+sD12jrZwYMprutgjbb30ldDnnYWEMtGCJfyoiKoV5RKrBRGzJIZmTf77nMXxyidk GFmo9krQ88nEW/+4AAuQjxjb0AK8koULcIUetsCUO1Gl3LTdiFcnkIMTl2gENcWvM3iHjr9UnhL 8A/gzN3DSAPLYOB0nOk/PxUKsevKB3L0QxHjusb/KmuXngC2B3yuseITl3jmFXw9EJ62l9024dg GukHOQBd+6NTr0u21FWlgKUlJ/ct+sBq1wkpJn3GFPpnD5fRZjbJXGz+M9s/zzG4TllsBEYOUgk FS3cKOVGdlrL5QSbwQl9cSc4UbBJYGik/RC2AwXiLCI6hgpvW0KvG9qj8EDOtlFZF16pPpg92ks EuZPO/WOmAg3IyMwU4LiBvABe9AmDXbLNIBx8w8cwe2lN/5reYP1CDEenxX/FHDfU4coYbv381y NL+jVWkHdJy7QgQNEbHCpPlTKiVRb9ItSj1q8rvx/SWKYgMwMYnlY= 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> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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