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author | Russell King <rmk+kernel@arm.linux.org.uk> | 2012-01-13 19:00:22 +0400 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2012-01-13 19:00:22 +0400 |
commit | 4de3a8e101150feaefa1139611a50ff37467f33e (patch) | |
tree | daada742542518b02d7db7c5d32e715eaa5f166d /drivers/gpu/drm/nouveau/nv98_ppp.c | |
parent | 294064f58953f9964e5945424b09c51800330a83 (diff) | |
parent | 099469502f62fbe0d7e4f0b83a2f22538367f734 (diff) | |
download | linux-4de3a8e101150feaefa1139611a50ff37467f33e.tar.xz |
Merge branch 'master' into fixes
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv98_ppp.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nv98_ppp.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nv98_ppp.c b/drivers/gpu/drm/nouveau/nv98_ppp.c new file mode 100644 index 000000000000..a987dd6e0036 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nv98_ppp.c @@ -0,0 +1,78 @@ +/* + * Copyright 2011 Red Hat Inc. + * + * 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 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 HOLDER(S) OR AUTHOR(S) 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. + * + * Authors: Ben Skeggs + */ + +#include "drmP.h" +#include "nouveau_drv.h" +#include "nouveau_util.h" +#include "nouveau_vm.h" +#include "nouveau_ramht.h" + +struct nv98_ppp_engine { + struct nouveau_exec_engine base; +}; + +static int +nv98_ppp_fini(struct drm_device *dev, int engine, bool suspend) +{ + if (!(nv_rd32(dev, 0x000200) & 0x00000002)) + return 0; + + nv_mask(dev, 0x000200, 0x00000002, 0x00000000); + return 0; +} + +static int +nv98_ppp_init(struct drm_device *dev, int engine) +{ + nv_mask(dev, 0x000200, 0x00000002, 0x00000000); + nv_mask(dev, 0x000200, 0x00000002, 0x00000002); + return 0; +} + +static void +nv98_ppp_destroy(struct drm_device *dev, int engine) +{ + struct nv98_ppp_engine *pppp = nv_engine(dev, engine); + + NVOBJ_ENGINE_DEL(dev, PPP); + + kfree(pppp); +} + +int +nv98_ppp_create(struct drm_device *dev) +{ + struct nv98_ppp_engine *pppp; + + pppp = kzalloc(sizeof(*pppp), GFP_KERNEL); + if (!pppp) + return -ENOMEM; + + pppp->base.destroy = nv98_ppp_destroy; + pppp->base.init = nv98_ppp_init; + pppp->base.fini = nv98_ppp_fini; + + NVOBJ_ENGINE_ADD(dev, PPP, &pppp->base); + return 0; +} |