From 473a1997ace1a9fb545d0457549e50d17eb36175 Mon Sep 17 00:00:00 2001 From: Maarten Maathuis Date: Sun, 22 Jun 2008 16:29:00 +0200 Subject: NV50: Initial import of kernel modesetting. --- linux-core/nv50_output.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 linux-core/nv50_output.c (limited to 'linux-core/nv50_output.c') diff --git a/linux-core/nv50_output.c b/linux-core/nv50_output.c new file mode 100644 index 00000000..de0017b9 --- /dev/null +++ b/linux-core/nv50_output.c @@ -0,0 +1,33 @@ +/* + * Copyright (C) 2008 Maarten Maathuis. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial + * portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE + * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION + * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#include "nv50_output.h" + +int nv50_output_or_offset(struct nv50_output *output) +{ + struct drm_nouveau_private *dev_priv = output->dev->dev_private; + return ffs(dev_priv->dcb_table.entry[output->dcb_entry].or) - 1; +} -- cgit v1.2.3