diff options
author | Ben Skeggs <bskeggs@redhat.com> | 2013-03-21 20:05:03 -0400 |
---|---|---|
committer | Ben Skeggs <bskeggs@redhat.com> | 2013-04-26 01:37:52 -0400 |
commit | 0fa9061ae8c10a9178d696cf48d94c3bf2848f9f (patch) | |
tree | d5edefa2d240ef8ef30a40327f98e853ba2b5853 /drivers/gpu/drm/nouveau/nouveau_irq.c | |
parent | 1a6463425552a8b9960e5a19b25421895846925c (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.c | 76 |
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 | |||
31 | void | ||
32 | nouveau_irq_preinstall(struct drm_device *dev) | ||
33 | { | ||
34 | nv_wr32(nouveau_dev(dev), 0x000140, 0x00000000); | ||
35 | } | ||
36 | |||
37 | int | ||
38 | nouveau_irq_postinstall(struct drm_device *dev) | ||
39 | { | ||
40 | nv_wr32(nouveau_dev(dev), 0x000140, 0x00000001); | ||
41 | return 0; | ||
42 | } | ||
43 | |||
44 | void | ||
45 | nouveau_irq_uninstall(struct drm_device *dev) | ||
46 | { | ||
47 | nv_wr32(nouveau_dev(dev), 0x000140, 0x00000000); | ||
48 | } | ||
49 | |||
50 | irqreturn_t | ||
51 | nouveau_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 | |||
66 | int | ||
67 | nouveau_irq_init(struct drm_device *dev) | ||
68 | { | ||
69 | return drm_irq_install(dev); | ||
70 | } | ||
71 | |||
72 | void | ||
73 | nouveau_irq_fini(struct drm_device *dev) | ||
74 | { | ||
75 | drm_irq_uninstall(dev); | ||
76 | } | ||