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 E4B5FC54F54 for ; Fri, 31 Jul 2026 12:19:48 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 21B6610F247; Fri, 31 Jul 2026 12:19:48 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (1024-bit key; unprotected) header.d=0x0f.com header.i=@0x0f.com header.b="jBSah/k2"; dkim-atps=neutral Received: from mail-pj1-f45.google.com (mail-pj1-f45.google.com [209.85.216.45]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2EA8B10F247 for ; Fri, 31 Jul 2026 12:19:32 +0000 (UTC) Received: by mail-pj1-f45.google.com with SMTP id 98e67ed59e1d1-382ef647e20so980379a91.1 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=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=2f94xloHl4xvf0KqfbafdGgU1JTOpluCmeN1ZaakJsw=; b=jBSah/k2xXSQ0P2HmPeWRTY0HxT4U+7XfbXjwA8SMXJJL0um+NC5Q39MTfKdY6vFfD DTD0vChnJlqn5POG3MEPvuT8802fDqhKtTinqSFeBeLSt7I2TNq2pxmg6T+hXpvjr6UZ TkQqMh40GrTfvvhDuExcdgtjGtrC9GZ8HFlF8= 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=sEtScOC8unuK52yTZ7GEqi6ASjxmQNmA2TACmZWA+YHNe4PjHljXVbiCktDEguJbHG fgYN2S1v7yr+bVC+n/wJ54M6GSTBPl7660XRhjpF2x8BInsSfN/5p93uDvCp21zF7U8H elV2ErnDoZayLx3dACeUHvhN+IrFRXyENjUxpDmqDQu5Kj8tBLrVEXqoVGz/W2VpV7Wl UpRdrma2wSVwo67uE2L/xKsFTbu89VS6/pzKSlqafuPBXEsBZKVke9kygIt6pxHHgBGK JlKSKCxaaxWnwbo4IDZ5zsSW+gGVzqP1j+tGioH8JjvnvBrie2OISPkhwdtslkEZow/3 +W7g== X-Forwarded-Encrypted: i=1; AHgh+Ro5v1hpovhU6+n61p+IyQCZ00wUyq/mvpgZn6Cce+YQWZu/O6A/rmklYWSf0tDQ0Q5Umq3ae3iVC8M=@lists.freedesktop.org X-Gm-Message-State: AOJu0Yzfd9E9/KqNdQ6ljm+jA238NGt5boHMpJ83Xi97rZ0zN3BNhsA/ exay/DBcWDqy/BWsiru9UbuSQa182m6pTL2RWA5tzF/JvomwofXfgHp/MQiZyv0qV80= X-Gm-Gg: AR+sD12//AqjBZcNRG8fQxwDFqpo9FaPpE5u2V8YWGSPeX4rhzmgc93D5RhMi6TjwR/ jpVWOS04Mj2lY1TBJYP6KWxyco2sjODpV1v2u3JBhOox7RAuDTNuYlE+QuF9uK5eLGUpOhTGm+E UO/ycIYH4OSiRUJ9TGWmDgQp4AHnJX4oGPWImlR64mA5++kiB0tNWMVKx7oHwE/jT554qMQi35v nrsjbOIruj4oBPHdMfssOrOD+/AIuFzHmyEzfu2lQhy62qJKd2084ednXtnI2tKmce0vZpm8gVm akP6gvc0YrOkcg16Eg5PXynH0u1gWNfGnp+0TmCjhELS6g8b7bT6QSY0dm/ncLZWQWjGCOyJw4J QKVCwiq4fb1P+w14QVOvBwRDP6tc2oMni8q+nTmtfOt2IRmRx2k1S0gcHrXrPn2hcxhc2Pw8e8x zvALscJIStn+29IbbQaOffqGtFUWu0ugFYvlakDpZWxRxjQyhYwYwil5U6sK1snic= 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> 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 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