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authorBen Skeggs <bskeggs@redhat.com>2013-03-21 20:05:03 -0400
committerBen Skeggs <bskeggs@redhat.com>2013-04-26 01:37:52 -0400
commit0fa9061ae8c10a9178d696cf48d94c3bf2848f9f (patch)
treed5edefa2d240ef8ef30a40327f98e853ba2b5853 /drivers/gpu/drm/nouveau/nouveau_irq.c
parent1a6463425552a8b9960e5a19b25421895846925c (diff)
drm/nouveau/mc: handle irq-related setup ourselves
We need to be able to process interrupts before the DRM code is able to actually enable them, set it up ourselves. Also, it's less convoluted to *not* use the DRM wrappers it appears... Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_irq.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_irq.c76
1 files changed, 0 insertions, 76 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_irq.c b/drivers/gpu/drm/nouveau/nouveau_irq.c
deleted file mode 100644
index 1303680affd3..000000000000
--- a/drivers/gpu/drm/nouveau/nouveau_irq.c
+++ /dev/null
@@ -1,76 +0,0 @@
1/*
2 * Copyright 2012 Red Hat Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Authors: Ben Skeggs
23 */
24
25#include <subdev/mc.h>
26
27#include "nouveau_drm.h"
28#include "nouveau_irq.h"
29#include "nv50_display.h"
30
31void
32nouveau_irq_preinstall(struct drm_device *dev)
33{
34 nv_wr32(nouveau_dev(dev), 0x000140, 0x00000000);
35}
36
37int
38nouveau_irq_postinstall(struct drm_device *dev)
39{
40 nv_wr32(nouveau_dev(dev), 0x000140, 0x00000001);
41 return 0;
42}
43
44void
45nouveau_irq_uninstall(struct drm_device *dev)
46{
47 nv_wr32(nouveau_dev(dev), 0x000140, 0x00000000);
48}
49
50irqreturn_t
51nouveau_irq_handler(DRM_IRQ_ARGS)
52{
53 struct drm_device *dev = arg;
54 struct nouveau_device *device = nouveau_dev(dev);
55 struct nouveau_mc *pmc = nouveau_mc(device);
56 u32 stat;
57
58 stat = nv_rd32(device, 0x000100);
59 if (stat == 0 || stat == ~0)
60 return IRQ_NONE;
61
62 nv_subdev(pmc)->intr(nv_subdev(pmc));
63 return IRQ_HANDLED;
64}
65
66int
67nouveau_irq_init(struct drm_device *dev)
68{
69 return drm_irq_install(dev);
70}
71
72void
73nouveau_irq_fini(struct drm_device *dev)
74{
75 drm_irq_uninstall(dev);
76}