diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgp100.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgp100.c | 68 |
1 files changed, 14 insertions, 54 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgp100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgp100.c index 405faabe8dcd..cac70047ad5a 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgp100.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgp100.c @@ -76,8 +76,18 @@ gp100_ram_init(struct nvkm_ram *ram) return 0; } +static u32 +gp100_ram_probe_fbpa(struct nvkm_device *device, int fbpa) +{ + return nvkm_rd32(device, 0x90020c + (fbpa * 0x4000)); +} + static const struct nvkm_ram_func -gp100_ram_func = { +gp100_ram = { + .upper = 0x1000000000, + .probe_fbp = gm107_ram_probe_fbp, + .probe_fbp_amount = gm200_ram_probe_fbp_amount, + .probe_fbpa_amount = gp100_ram_probe_fbpa, .init = gp100_ram_init, .get = gf100_ram_get, .put = gf100_ram_put, @@ -87,60 +97,10 @@ int gp100_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram) { struct nvkm_ram *ram; - struct nvkm_subdev *subdev = &fb->subdev; - struct nvkm_device *device = subdev->device; - enum nvkm_ram_type type = nvkm_fb_bios_memtype(device->bios); - const u32 rsvd_head = ( 256 * 1024); /* vga memory */ - const u32 rsvd_tail = (1024 * 1024); /* vbios etc */ - u32 fbpa_num = nvkm_rd32(device, 0x02243c), fbpa; - u32 fbio_opt = nvkm_rd32(device, 0x021c14); - u64 part, size = 0, comm = ~0ULL; - bool mixed = false; - int ret; - - nvkm_debug(subdev, "02243c: %08x\n", fbpa_num); - nvkm_debug(subdev, "021c14: %08x\n", fbio_opt); - for (fbpa = 0; fbpa < fbpa_num; fbpa++) { - if (!(fbio_opt & (1 << fbpa))) { - part = nvkm_rd32(device, 0x90020c + (fbpa * 0x4000)); - nvkm_debug(subdev, "fbpa %02x: %lld MiB\n", fbpa, part); - part = part << 20; - if (part != comm) { - if (comm != ~0ULL) - mixed = true; - comm = min(comm, part); - } - size = size + part; - } - } - - ret = nvkm_ram_new_(&gp100_ram_func, fb, type, size, 0, &ram); - *pram = ram; - if (ret) - return ret; - nvkm_mm_fini(&ram->vram); + if (!(ram = *pram = kzalloc(sizeof(*ram), GFP_KERNEL))) + return -ENOMEM; - if (mixed) { - ret = nvkm_mm_init(&ram->vram, rsvd_head >> NVKM_RAM_MM_SHIFT, - ((comm * fbpa_num) - rsvd_head) >> - NVKM_RAM_MM_SHIFT, 1); - if (ret) - return ret; + return gf100_ram_ctor(&gp100_ram, fb, ram); - ret = nvkm_mm_init(&ram->vram, (0x1000000000ULL + comm) >> - NVKM_RAM_MM_SHIFT, - (size - (comm * fbpa_num) - rsvd_tail) >> - NVKM_RAM_MM_SHIFT, 1); - if (ret) - return ret; - } else { - ret = nvkm_mm_init(&ram->vram, rsvd_head >> NVKM_RAM_MM_SHIFT, - (size - rsvd_head - rsvd_tail) >> - NVKM_RAM_MM_SHIFT, 1); - if (ret) - return ret; - } - - return 0; } |