mirror of
https://github.com/torvalds/linux.git
synced 2024-12-27 13:22:23 +00:00
84 lines
2.3 KiB
C
84 lines
2.3 KiB
C
/*
|
|
* 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"
|
|
|
|
/*XXX: This stub is currently used on NV98+ also, as soon as this becomes
|
|
* more than just an enable/disable stub this needs to be split out to
|
|
* nv98_vp.c...
|
|
*/
|
|
|
|
struct nv84_vp_engine {
|
|
struct nouveau_exec_engine base;
|
|
};
|
|
|
|
static int
|
|
nv84_vp_fini(struct drm_device *dev, int engine, bool suspend)
|
|
{
|
|
if (!(nv_rd32(dev, 0x000200) & 0x00020000))
|
|
return 0;
|
|
|
|
nv_mask(dev, 0x000200, 0x00020000, 0x00000000);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
nv84_vp_init(struct drm_device *dev, int engine)
|
|
{
|
|
nv_mask(dev, 0x000200, 0x00020000, 0x00000000);
|
|
nv_mask(dev, 0x000200, 0x00020000, 0x00020000);
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
nv84_vp_destroy(struct drm_device *dev, int engine)
|
|
{
|
|
struct nv84_vp_engine *pvp = nv_engine(dev, engine);
|
|
|
|
NVOBJ_ENGINE_DEL(dev, VP);
|
|
|
|
kfree(pvp);
|
|
}
|
|
|
|
int
|
|
nv84_vp_create(struct drm_device *dev)
|
|
{
|
|
struct nv84_vp_engine *pvp;
|
|
|
|
pvp = kzalloc(sizeof(*pvp), GFP_KERNEL);
|
|
if (!pvp)
|
|
return -ENOMEM;
|
|
|
|
pvp->base.destroy = nv84_vp_destroy;
|
|
pvp->base.init = nv84_vp_init;
|
|
pvp->base.fini = nv84_vp_fini;
|
|
|
|
NVOBJ_ENGINE_ADD(dev, VP, &pvp->base);
|
|
return 0;
|
|
}
|