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drm/nouveau/fb/ram/gt215: allocate training buffer with nvkm_ram_get()

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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2017-11-01 03:56:19 +10:00
parent e9a8b21804
commit 2bfa0b0114
1 changed files with 9 additions and 9 deletions
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18
drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgt215.c
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@ -26,6 +26,7 @@
#include "ram.h"
#include "ramfuc.h"
#include <core/memory.h>
#include <core/option.h>
#include <subdev/bios.h>
#include <subdev/bios/M0205.h>
@ -86,7 +87,7 @@ struct gt215_ltrain {
u32 r_100720;
u32 r_1111e0;
u32 r_111400;
struct nvkm_mem *mem;
struct nvkm_memory *memory;
};
struct gt215_ram {
@ -279,10 +280,10 @@ gt215_link_train_init(struct gt215_ram *ram)
struct gt215_ltrain *train = &ram->ltrain;
struct nvkm_device *device = ram->base.fb->subdev.device;
struct nvkm_bios *bios = device->bios;
struct nvkm_mem *mem;
struct nvbios_M0205E M0205E;
u8 ver, hdr, cnt, len;
u32 r001700;
u64 addr;
int ret, i = 0;
train->state = NVA3_TRAIN_UNSUPPORTED;
@ -297,14 +298,14 @@ gt215_link_train_init(struct gt215_ram *ram)
train->state = NVA3_TRAIN_ONCE;
ret = ram->base.func->get(&ram->base, 0x8000, 0x10000, 0, 0x800,
&ram->ltrain.mem);
ret = nvkm_ram_get(device, NVKM_RAM_MM_NORMAL, 0x01, 16, 0x8000,
true, true, &ram->ltrain.memory);
if (ret)
return ret;
mem = ram->ltrain.mem;
addr = nvkm_memory_addr(ram->ltrain.memory);
nvkm_wr32(device, 0x100538, 0x10000000 | (mem->offset >> 16));
nvkm_wr32(device, 0x100538, 0x10000000 | (addr >> 16));
nvkm_wr32(device, 0x1005a8, 0x0000ffff);
nvkm_mask(device, 0x10f800, 0x00000001, 0x00000001);
@ -320,7 +321,7 @@ gt215_link_train_init(struct gt215_ram *ram)
/* And upload the pattern */
r001700 = nvkm_rd32(device, 0x1700);
nvkm_wr32(device, 0x1700, mem->offset >> 16);
nvkm_wr32(device, 0x1700, addr >> 16);
for (i = 0; i < 16; i++)
nvkm_wr32(device, 0x700000 + (i << 2), pattern[i]);
for (i = 0; i < 16; i++)
@ -336,8 +337,7 @@ gt215_link_train_init(struct gt215_ram *ram)
static void
gt215_link_train_fini(struct gt215_ram *ram)
{
if (ram->ltrain.mem)
ram->base.func->put(&ram->base, &ram->ltrain.mem);
nvkm_memory_unref(&ram->ltrain.memory);
}
/*