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drm/gk20a: add BAR instance

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GK20A's BAR is functionally identical to NVC0's, but do not support
being ioremapped write-combined. Create a BAR instance for GK20A that
reflect that state.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
This commit is contained in:
Alexandre Courbot 2014-06-27 20:36:54 +09:00 committed by Ben Skeggs
parent e2a4e78cdc
commit ec1afbf4e1
6 changed files with 66 additions and 4 deletions
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1
drivers/gpu/drm/nouveau/Makefile
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@ -26,6 +26,7 @@ nouveau-y += core/core/subdev.o
nouveau-y += core/subdev/bar/base.o
nouveau-y += core/subdev/bar/nv50.o
nouveau-y += core/subdev/bar/nvc0.o
nouveau-y += core/subdev/bar/gk20a.o
nouveau-y += core/subdev/bios/base.o
nouveau-y += core/subdev/bios/bit.o
nouveau-y += core/subdev/bios/boost.o

2
drivers/gpu/drm/nouveau/core/engine/device/nve0.c
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@ -165,7 +165,7 @@ nve0_identify(struct nouveau_device *device)
device->oclass[NVDEV_SUBDEV_IBUS ] = &gk20a_ibus_oclass;
device->oclass[NVDEV_SUBDEV_INSTMEM] = nv50_instmem_oclass;
device->oclass[NVDEV_SUBDEV_VM ] = &nvc0_vmmgr_oclass;
device->oclass[NVDEV_SUBDEV_BAR ] = &nvc0_bar_oclass;
device->oclass[NVDEV_SUBDEV_BAR ] = &gk20a_bar_oclass;
device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nvd0_dmaeng_oclass;
device->oclass[NVDEV_ENGINE_FIFO ] = gk20a_fifo_oclass;
device->oclass[NVDEV_ENGINE_SW ] = nvc0_software_oclass;

1
drivers/gpu/drm/nouveau/core/include/subdev/bar.h
View File

@ -33,5 +33,6 @@ nouveau_bar(void *obj)
extern struct nouveau_oclass nv50_bar_oclass;
extern struct nouveau_oclass nvc0_bar_oclass;
extern struct nouveau_oclass gk20a_bar_oclass;
#endif

54
drivers/gpu/drm/nouveau/core/subdev/bar/gk20a.c Normal file
View File

@ -0,0 +1,54 @@
/*
* Copyright (c) 2014, NVIDIA CORPORATION. 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 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 AUTHORS OR COPYRIGHT HOLDERS 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 <subdev/bar.h>
#include "priv.h"
int
gk20a_bar_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
struct nouveau_oclass *oclass, void *data, u32 size,
struct nouveau_object **pobject)
{
struct nouveau_bar *bar;
int ret;
ret = nvc0_bar_ctor(parent, engine, oclass, data, size, pobject);
if (ret)
return ret;
bar = (struct nouveau_bar *)*pobject;
bar->iomap_uncached = true;
return 0;
}
struct nouveau_oclass
gk20a_bar_oclass = {
.handle = NV_SUBDEV(BAR, 0xea),
.ofuncs = &(struct nouveau_ofuncs) {
.ctor = gk20a_bar_ctor,
.dtor = nvc0_bar_dtor,
.init = nvc0_bar_init,
.fini = _nouveau_bar_fini,
},
};

6
drivers/gpu/drm/nouveau/core/subdev/bar/nvc0.c
View File

@ -133,7 +133,7 @@ nvc0_bar_init_vm(struct nvc0_bar_priv *priv, struct nvc0_bar_priv_vm *bar_vm,
return 0;
}
static int
int
nvc0_bar_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
struct nouveau_oclass *oclass, void *data, u32 size,
struct nouveau_object **pobject)
@ -169,7 +169,7 @@ nvc0_bar_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
return 0;
}
static void
void
nvc0_bar_dtor(struct nouveau_object *object)
{
struct nvc0_bar_priv *priv = (void *)object;
@ -188,7 +188,7 @@ nvc0_bar_dtor(struct nouveau_object *object)
nouveau_bar_destroy(&priv->base);
}
static int
int
nvc0_bar_init(struct nouveau_object *object)
{
struct nvc0_bar_priv *priv = (void *)object;

6
drivers/gpu/drm/nouveau/core/subdev/bar/priv.h
View File

@ -23,4 +23,10 @@ int nouveau_bar_alloc(struct nouveau_bar *, struct nouveau_object *,
void nv84_bar_flush(struct nouveau_bar *);
int nvc0_bar_ctor(struct nouveau_object *, struct nouveau_object *,
struct nouveau_oclass *, void *, u32,
struct nouveau_object **);
void nvc0_bar_dtor(struct nouveau_object *);
int nvc0_bar_init(struct nouveau_object *);
#endif