ubuntu-linux-kernel/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgm107.c

52 lines
1.8 KiB
C

/*
* Copyright 2013 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 "ram.h"
u32
gm107_ram_probe_fbp(const struct nvkm_ram_func *func,
struct nvkm_device *device, int fbp, int *pltcs)
{
u32 fbpao = nvkm_rd32(device, 0x021c14);
return func->probe_fbp_amount(func, fbpao, device, fbp, pltcs);
}
static const struct nvkm_ram_func
gm107_ram = {
.upper = 0x1000000000,
.probe_fbp = gm107_ram_probe_fbp,
.probe_fbp_amount = gf108_ram_probe_fbp_amount,
.probe_fbpa_amount = gf100_ram_probe_fbpa_amount,
.dtor = gk104_ram_dtor,
.init = gk104_ram_init,
.calc = gk104_ram_calc,
.prog = gk104_ram_prog,
.tidy = gk104_ram_tidy,
};
int
gm107_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
{
return gk104_ram_new_(&gm107_ram, fb, pram);
}