67 lines
2.2 KiB
C
67 lines
2.2 KiB
C
|
/*
|
||
|
|
* Copyright 2017 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 <bskeggs@redhat.com>
|
||
|
|
*/
|
||
|
|
#include "ram.h"
|
||
|
|
|
||
|
|
u32
|
||
|
|
gm200_ram_probe_fbp_amount(const struct nvkm_ram_func *func, u32 fbpao,
|
||
|
|
struct nvkm_device *device, int fbp, int *pltcs)
|
||
|
|
{
|
||
|
|
u32 ltcs = nvkm_rd32(device, 0x022450);
|
||
|
|
u32 fbpas = nvkm_rd32(device, 0x022458);
|
||
|
|
u32 fbpa = fbp * fbpas;
|
||
|
|
u32 size = 0;
|
||
|
|
if (!(nvkm_rd32(device, 0x021d38) & BIT(fbp))) {
|
||
|
|
u32 ltco = nvkm_rd32(device, 0x021d70 + (fbp * 4));
|
||
|
|
u32 ltcm = ~ltco & ((1 << ltcs) - 1);
|
||
|
|
|
||
|
|
while (fbpas--) {
|
||
|
|
if (!(fbpao & (1 << fbpa)))
|
||
|
|
size += func->probe_fbpa_amount(device, fbpa);
|
||
|
|
fbpa++;
|
||
|
|
}
|
||
|
|
|
||
|
|
*pltcs = hweight32(ltcm);
|
||
|
|
}
|
||
|
|
return size;
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct nvkm_ram_func
|
||
|
|
gm200_ram = {
|
||
|
|
.upper = 0x1000000000ULL,
|
||
|
|
.probe_fbp = gm107_ram_probe_fbp,
|
||
|
|
.probe_fbp_amount = gm200_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
|
||
|
|
gm200_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
|
||
|
|
{
|
||
|
|
return gk104_ram_new_(&gm200_ram, fb, pram);
|
||
|
|
}
|