cregit-Linux how code gets into the kernel

Release 4.11 drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgf100.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
 */

#define gf100_ram(p) container_of((p), struct gf100_ram, base)
#include "ram.h"
#include "ramfuc.h"

#include <core/option.h>
#include <subdev/bios.h>
#include <subdev/bios/pll.h>
#include <subdev/bios/rammap.h>
#include <subdev/bios/timing.h>
#include <subdev/clk.h>
#include <subdev/clk/pll.h>
#include <subdev/ltc.h>


struct gf100_ramfuc {
	
struct ramfuc base;

	
struct ramfuc_reg r_0x10fe20;
	
struct ramfuc_reg r_0x10fe24;
	
struct ramfuc_reg r_0x137320;
	
struct ramfuc_reg r_0x137330;

	
struct ramfuc_reg r_0x132000;
	
struct ramfuc_reg r_0x132004;
	
struct ramfuc_reg r_0x132100;

	
struct ramfuc_reg r_0x137390;

	
struct ramfuc_reg r_0x10f290;
	
struct ramfuc_reg r_0x10f294;
	
struct ramfuc_reg r_0x10f298;
	
struct ramfuc_reg r_0x10f29c;
	
struct ramfuc_reg r_0x10f2a0;

	
struct ramfuc_reg r_0x10f300;
	
struct ramfuc_reg r_0x10f338;
	
struct ramfuc_reg r_0x10f340;
	
struct ramfuc_reg r_0x10f344;
	
struct ramfuc_reg r_0x10f348;

	
struct ramfuc_reg r_0x10f910;
	
struct ramfuc_reg r_0x10f914;

	
struct ramfuc_reg r_0x100b0c;
	
struct ramfuc_reg r_0x10f050;
	
struct ramfuc_reg r_0x10f090;
	
struct ramfuc_reg r_0x10f200;
	
struct ramfuc_reg r_0x10f210;
	
struct ramfuc_reg r_0x10f310;
	
struct ramfuc_reg r_0x10f314;
	
struct ramfuc_reg r_0x10f610;
	
struct ramfuc_reg r_0x10f614;
	
struct ramfuc_reg r_0x10f800;
	
struct ramfuc_reg r_0x10f808;
	
struct ramfuc_reg r_0x10f824;
	
struct ramfuc_reg r_0x10f830;
	
struct ramfuc_reg r_0x10f988;
	
struct ramfuc_reg r_0x10f98c;
	
struct ramfuc_reg r_0x10f990;
	
struct ramfuc_reg r_0x10f998;
	
struct ramfuc_reg r_0x10f9b0;
	
struct ramfuc_reg r_0x10f9b4;
	
struct ramfuc_reg r_0x10fb04;
	
struct ramfuc_reg r_0x10fb08;
	
struct ramfuc_reg r_0x137300;
	
struct ramfuc_reg r_0x137310;
	
struct ramfuc_reg r_0x137360;
	
struct ramfuc_reg r_0x1373ec;
	
struct ramfuc_reg r_0x1373f0;
	
struct ramfuc_reg r_0x1373f8;

	
struct ramfuc_reg r_0x61c140;
	
struct ramfuc_reg r_0x611200;

	
struct ramfuc_reg r_0x13d8f4;
};


struct gf100_ram {
	
struct nvkm_ram base;
	
struct gf100_ramfuc fuc;
	
struct nvbios_pll refpll;
	
struct nvbios_pll mempll;
};


static void gf100_ram_train(struct gf100_ramfuc *fuc, u32 magic) { struct gf100_ram *ram = container_of(fuc, typeof(*ram), fuc); struct nvkm_fb *fb = ram->base.fb; struct nvkm_device *device = fb->subdev.device; u32 part = nvkm_rd32(device, 0x022438), i; u32 mask = nvkm_rd32(device, 0x022554); u32 addr = 0x110974; ram_wr32(fuc, 0x10f910, magic); ram_wr32(fuc, 0x10f914, magic); for (i = 0; (magic & 0x80000000) && i < part; addr += 0x1000, i++) { if (mask & (1 << i)) continue; ram_wait(fuc, addr, 0x0000000f, 0x00000000, 500000); } }

Contributors

PersonTokensPropCommitsCommitProp
Ben Skeggs13993.92%685.71%
Roy Spliet96.08%114.29%
Total148100.00%7100.00%


static int gf100_ram_calc(struct nvkm_ram *base, u32 freq) { struct gf100_ram *ram = gf100_ram(base); struct gf100_ramfuc *fuc = &ram->fuc; struct nvkm_subdev *subdev = &ram->base.fb->subdev; struct nvkm_device *device = subdev->device; struct nvkm_clk *clk = device->clk; struct nvkm_bios *bios = device->bios; struct nvbios_ramcfg cfg; u8 ver, cnt, len, strap; struct { u32 data; u8 size; } rammap, ramcfg, timing; int ref, div, out; int from, mode; int N1, M1, P; int ret; /* lookup memory config data relevant to the target frequency */ rammap.data = nvbios_rammapEm(bios, freq / 1000, &ver, &rammap.size, &cnt, &ramcfg.size, &cfg); if (!rammap.data || ver != 0x10 || rammap.size < 0x0e) { nvkm_error(subdev, "invalid/missing rammap entry\n"); return -EINVAL; } /* locate specific data set for the attached memory */ strap = nvbios_ramcfg_index(subdev); if (strap >= cnt) { nvkm_error(subdev, "invalid ramcfg strap\n"); return -EINVAL; } ramcfg.data = rammap.data + rammap.size + (strap * ramcfg.size); if (!ramcfg.data || ver != 0x10 || ramcfg.size < 0x0e) { nvkm_error(subdev, "invalid/missing ramcfg entry\n"); return -EINVAL; } /* lookup memory timings, if bios says they're present */ strap = nvbios_rd08(bios, ramcfg.data + 0x01); if (strap != 0xff) { timing.data = nvbios_timingEe(bios, strap, &ver, &timing.size, &cnt, &len); if (!timing.data || ver != 0x10 || timing.size < 0x19) { nvkm_error(subdev, "invalid/missing timing entry\n"); return -EINVAL; } } else { timing.data = 0; } ret = ram_init(fuc, ram->base.fb); if (ret) return ret; /* determine current mclk configuration */ from = !!(ram_rd32(fuc, 0x1373f0) & 0x00000002); /*XXX: ok? */ /* determine target mclk configuration */ if (!(ram_rd32(fuc, 0x137300) & 0x00000100)) ref = nvkm_clk_read(clk, nv_clk_src_sppll0); else ref = nvkm_clk_read(clk, nv_clk_src_sppll1); div = max(min((ref * 2) / freq, (u32)65), (u32)2) - 2; out = (ref * 2) / (div + 2); mode = freq != out; ram_mask(fuc, 0x137360, 0x00000002, 0x00000000); if ((ram_rd32(fuc, 0x132000) & 0x00000002) || 0 /*XXX*/) { ram_nuke(fuc, 0x132000); ram_mask(fuc, 0x132000, 0x00000002, 0x00000002); ram_mask(fuc, 0x132000, 0x00000002, 0x00000000); } if (mode == 1) { ram_nuke(fuc, 0x10fe20); ram_mask(fuc, 0x10fe20, 0x00000002, 0x00000002); ram_mask(fuc, 0x10fe20, 0x00000002, 0x00000000); } // 0x00020034 // 0x0000000a ram_wr32(fuc, 0x132100, 0x00000001); if (mode == 1 && from == 0) { /* calculate refpll */ ret = gt215_pll_calc(subdev, &ram->refpll, ram->mempll.refclk, &N1, NULL, &M1, &P); if (ret <= 0) { nvkm_error(subdev, "unable to calc refpll\n"); return ret ? ret : -ERANGE; } ram_wr32(fuc, 0x10fe20, 0x20010000); ram_wr32(fuc, 0x137320, 0x00000003); ram_wr32(fuc, 0x137330, 0x81200006); ram_wr32(fuc, 0x10fe24, (P << 16) | (N1 << 8) | M1); ram_wr32(fuc, 0x10fe20, 0x20010001); ram_wait(fuc, 0x137390, 0x00020000, 0x00020000, 64000); /* calculate mempll */ ret = gt215_pll_calc(subdev, &ram->mempll, freq, &N1, NULL, &M1, &P); if (ret <= 0) { nvkm_error(subdev, "unable to calc refpll\n"); return ret ? ret : -ERANGE; } ram_wr32(fuc, 0x10fe20, 0x20010005); ram_wr32(fuc, 0x132004, (P << 16) | (N1 << 8) | M1); ram_wr32(fuc, 0x132000, 0x18010101); ram_wait(fuc, 0x137390, 0x00000002, 0x00000002, 64000); } else if (mode == 0) { ram_wr32(fuc, 0x137300, 0x00000003); } if (from == 0) { ram_nuke(fuc, 0x10fb04); ram_mask(fuc, 0x10fb04, 0x0000ffff, 0x00000000); ram_nuke(fuc, 0x10fb08); ram_mask(fuc, 0x10fb08, 0x0000ffff, 0x00000000); ram_wr32(fuc, 0x10f988, 0x2004ff00); ram_wr32(fuc, 0x10f98c, 0x003fc040); ram_wr32(fuc, 0x10f990, 0x20012001); ram_wr32(fuc, 0x10f998, 0x00011a00); ram_wr32(fuc, 0x13d8f4, 0x00000000); } else { ram_wr32(fuc, 0x10f988, 0x20010000); ram_wr32(fuc, 0x10f98c, 0x00000000); ram_wr32(fuc, 0x10f990, 0x20012001); ram_wr32(fuc, 0x10f998, 0x00010a00); } if (from == 0) { // 0x00020039 // 0x000000ba } // 0x0002003a // 0x00000002 ram_wr32(fuc, 0x100b0c, 0x00080012); // 0x00030014 // 0x00000000 // 0x02b5f070 // 0x00030014 // 0x00010000 // 0x02b5f070 ram_wr32(fuc, 0x611200, 0x00003300); // 0x00020034 // 0x0000000a // 0x00030020 // 0x00000001 // 0x00000000 ram_mask(fuc, 0x10f200, 0x00000800, 0x00000000); ram_wr32(fuc, 0x10f210, 0x00000000); ram_nsec(fuc, 1000); if (mode == 0) gf100_ram_train(fuc, 0x000c1001); ram_wr32(fuc, 0x10f310, 0x00000001); ram_nsec(fuc, 1000); ram_wr32(fuc, 0x10f090, 0x00000061); ram_wr32(fuc, 0x10f090, 0xc000007f); ram_nsec(fuc, 1000); if (from == 0) { ram_wr32(fuc, 0x10f824, 0x00007fd4); } else { ram_wr32(fuc, 0x1373ec, 0x00020404); } if (mode == 0) { ram_mask(fuc, 0x10f808, 0x00080000, 0x00000000); ram_mask(fuc, 0x10f200, 0x00008000, 0x00008000); ram_wr32(fuc, 0x10f830, 0x41500010); ram_mask(fuc, 0x10f830, 0x01000000, 0x00000000); ram_mask(fuc, 0x132100, 0x00000100, 0x00000100); ram_wr32(fuc, 0x10f050, 0xff000090); ram_wr32(fuc, 0x1373ec, 0x00020f0f); ram_wr32(fuc, 0x1373f0, 0x00000003); ram_wr32(fuc, 0x137310, 0x81201616); ram_wr32(fuc, 0x132100, 0x00000001); // 0x00020039 // 0x000000ba ram_wr32(fuc, 0x10f830, 0x00300017); ram_wr32(fuc, 0x1373f0, 0x00000001); ram_wr32(fuc, 0x10f824, 0x00007e77); ram_wr32(fuc, 0x132000, 0x18030001); ram_wr32(fuc, 0x10f090, 0x4000007e); ram_nsec(fuc, 2000); ram_wr32(fuc, 0x10f314, 0x00000001); ram_wr32(fuc, 0x10f210, 0x80000000); ram_wr32(fuc, 0x10f338, 0x00300220); ram_wr32(fuc, 0x10f300, 0x0000011d); ram_nsec(fuc, 1000); ram_wr32(fuc, 0x10f290, 0x02060505); ram_wr32(fuc, 0x10f294, 0x34208288); ram_wr32(fuc, 0x10f298, 0x44050411); ram_wr32(fuc, 0x10f29c, 0x0000114c); ram_wr32(fuc, 0x10f2a0, 0x42e10069); ram_wr32(fuc, 0x10f614, 0x40044f77); ram_wr32(fuc, 0x10f610, 0x40044f77); ram_wr32(fuc, 0x10f344, 0x00600009); ram_nsec(fuc, 1000); ram_wr32(fuc, 0x10f348, 0x00700008); ram_wr32(fuc, 0x61c140, 0x19240000); ram_wr32(fuc, 0x10f830, 0x00300017); gf100_ram_train(fuc, 0x80021001); gf100_ram_train(fuc, 0x80081001); ram_wr32(fuc, 0x10f340, 0x00500004); ram_nsec(fuc, 1000); ram_wr32(fuc, 0x10f830, 0x01300017); ram_wr32(fuc, 0x10f830, 0x00300017); // 0x00030020 // 0x00000000 // 0x00000000 // 0x00020034 // 0x0000000b ram_wr32(fuc, 0x100b0c, 0x00080028); ram_wr32(fuc, 0x611200, 0x00003330); } else { ram_wr32(fuc, 0x10f800, 0x00001800); ram_wr32(fuc, 0x13d8f4, 0x00000000); ram_wr32(fuc, 0x1373ec, 0x00020404); ram_wr32(fuc, 0x1373f0, 0x00000003); ram_wr32(fuc, 0x10f830, 0x40700010); ram_wr32(fuc, 0x10f830, 0x40500010); ram_wr32(fuc, 0x13d8f4, 0x00000000); ram_wr32(fuc, 0x1373f8, 0x00000000); ram_wr32(fuc, 0x132100, 0x00000101); ram_wr32(fuc, 0x137310, 0x89201616); ram_wr32(fuc, 0x10f050, 0xff000090); ram_wr32(fuc, 0x1373ec, 0x00030404); ram_wr32(fuc, 0x1373f0, 0x00000002); // 0x00020039 // 0x00000011 ram_wr32(fuc, 0x132100, 0x00000001); ram_wr32(fuc, 0x1373f8, 0x00002000); ram_nsec(fuc, 2000); ram_wr32(fuc, 0x10f808, 0x7aaa0050); ram_wr32(fuc, 0x10f830, 0x00500010); ram_wr32(fuc, 0x10f200, 0x00ce1000); ram_wr32(fuc, 0x10f090, 0x4000007e); ram_nsec(fuc, 2000); ram_wr32(fuc, 0x10f314, 0x00000001); ram_wr32(fuc, 0x10f210, 0x80000000); ram_wr32(fuc, 0x10f338, 0x00300200); ram_wr32(fuc, 0x10f300, 0x0000084d); ram_nsec(fuc, 1000); ram_wr32(fuc, 0x10f290, 0x0b343825); ram_wr32(fuc, 0x10f294, 0x3483028e); ram_wr32(fuc, 0x10f298, 0x440c0600); ram_wr32(fuc, 0x10f29c, 0x0000214c); ram_wr32(fuc, 0x10f2a0, 0x42e20069); ram_wr32(fuc, 0x10f200, 0x00ce0000); ram_wr32(fuc, 0x10f614, 0x60044e77); ram_wr32(fuc, 0x10f610, 0x60044e77); ram_wr32(fuc, 0x10f340, 0x00500000); ram_nsec(fuc, 1000); ram_wr32(fuc, 0x10f344, 0x00600228); ram_nsec(fuc, 1000); ram_wr32(fuc, 0x10f348, 0x00700000); ram_wr32(fuc, 0x13d8f4, 0x00000000); ram_wr32(fuc, 0x61c140, 0x09a40000); gf100_ram_train(fuc, 0x800e1008); ram_nsec(fuc, 1000); ram_wr32(fuc, 0x10f800, 0x00001804); // 0x00030020 // 0x00000000 // 0x00000000 // 0x00020034 // 0x0000000b ram_wr32(fuc, 0x13d8f4, 0x00000000); ram_wr32(fuc, 0x100b0c, 0x00080028); ram_wr32(fuc, 0x611200, 0x00003330); ram_nsec(fuc, 100000); ram_wr32(fuc, 0x10f9b0, 0x05313f41); ram_wr32(fuc, 0x10f9b4, 0x00002f50); gf100_ram_train(fuc, 0x010c1001); } ram_mask(fuc, 0x10f200, 0x00000800, 0x00000800); // 0x00020016 // 0x00000000 if (mode == 0) ram_mask(fuc, 0x132000, 0x00000001, 0x00000000); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Ben Skeggs1954100.00%12100.00%
Total1954100.00%12100.00%


static int gf100_ram_prog(struct nvkm_ram *base) { struct gf100_ram *ram = gf100_ram(base); struct nvkm_device *device = ram->base.fb->subdev.device; ram_exec(&ram->fuc, nvkm_boolopt(device->cfgopt, "NvMemExec", true)); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Ben Skeggs5798.28%480.00%
Ilia Mirkin11.72%120.00%
Total58100.00%5100.00%


static void gf100_ram_tidy(struct nvkm_ram *base) { struct gf100_ram *ram = gf100_ram(base); ram_exec(&ram->fuc, false); }

Contributors

PersonTokensPropCommitsCommitProp
Ben Skeggs31100.00%3100.00%
Total31100.00%3100.00%


void gf100_ram_put(struct nvkm_ram *ram, struct nvkm_mem **pmem) { struct nvkm_ltc *ltc = ram->fb->subdev.device->ltc; struct nvkm_mem *mem = *pmem; *pmem = NULL; if (unlikely(mem == NULL)) return; mutex_lock(&ram->fb->subdev.mutex); if (mem->tag) nvkm_ltc_tags_free(ltc, &mem->tag); __nv50_ram_put(ram, mem); mutex_unlock(&ram->fb->subdev.mutex); kfree(mem); }

Contributors

PersonTokensPropCommitsCommitProp
Ben Skeggs106100.00%6100.00%
Total106100.00%6100.00%


int gf100_ram_get(struct nvkm_ram *ram, u64 size, u32 align, u32 ncmin, u32 memtype, struct nvkm_mem **pmem) { struct nvkm_ltc *ltc = ram->fb->subdev.device->ltc; struct nvkm_mm *mm = &ram->vram; struct nvkm_mm_node **node, *r; struct nvkm_mem *mem; int type = (memtype & 0x0ff); int back = (memtype & 0x800); const bool comp = gf100_pte_storage_type_map[type] != type; int ret; size >>= NVKM_RAM_MM_SHIFT; align >>= NVKM_RAM_MM_SHIFT; ncmin >>= NVKM_RAM_MM_SHIFT; if (!ncmin) ncmin = size; mem = kzalloc(sizeof(*mem), GFP_KERNEL); if (!mem) return -ENOMEM; mem->size = size; mutex_lock(&ram->fb->subdev.mutex); if (comp) { /* compression only works with lpages */ if (align == (1 << (17 - NVKM_RAM_MM_SHIFT))) { int n = size >> 5; nvkm_ltc_tags_alloc(ltc, n, &mem->tag); } if (unlikely(!mem->tag)) type = gf100_pte_storage_type_map[type]; } mem->memtype = type; node = &mem->mem; do { if (back) ret = nvkm_mm_tail(mm, 0, 1, size, ncmin, align, &r); else ret = nvkm_mm_head(mm, 0, 1, size, ncmin, align, &r); if (ret) { mutex_unlock(&ram->fb->subdev.mutex); ram->func->put(ram, &mem); return ret; } *node = r; node = &r->next; size -= r->length; } while (size); mutex_unlock(&ram->fb->subdev.mutex); mem->offset = (u64)mem->mem->offset << NVKM_RAM_MM_SHIFT; *pmem = mem; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Ben Skeggs371100.00%8100.00%
Total371100.00%8100.00%


static int gf100_ram_init(struct nvkm_ram *base) { static const u8 train0[] = { 0x00, 0xff, 0x55, 0xaa, 0x33, 0xcc, 0x00, 0xff, 0xff, 0x00, 0xff, 0x00, }; static const u32 train1[] = { 0x00000000, 0xffffffff, 0x55555555, 0xaaaaaaaa, 0x33333333, 0xcccccccc, 0xf0f0f0f0, 0x0f0f0f0f, 0x00ff00ff, 0xff00ff00, 0x0000ffff, 0xffff0000, }; struct gf100_ram *ram = gf100_ram(base); struct nvkm_device *device = ram->base.fb->subdev.device; int i; switch (ram->base.type) { case NVKM_RAM_TYPE_GDDR5: break; default: return 0; } /* prepare for ddr link training, and load training patterns */ for (i = 0; i < 0x30; i++) { nvkm_wr32(device, 0x10f968, 0x00000000 | (i << 8)); nvkm_wr32(device, 0x10f96c, 0x00000000 | (i << 8)); nvkm_wr32(device, 0x10f920, 0x00000100 | train0[i % 12]); nvkm_wr32(device, 0x10f924, 0x00000100 | train0[i % 12]); nvkm_wr32(device, 0x10f918, train1[i % 12]); nvkm_wr32(device, 0x10f91c, train1[i % 12]); nvkm_wr32(device, 0x10f920, 0x00000000 | train0[i % 12]); nvkm_wr32(device, 0x10f924, 0x00000000 | train0[i % 12]); nvkm_wr32(device, 0x10f918, train1[i % 12]); nvkm_wr32(device, 0x10f91c, train1[i % 12]); } return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Ben Skeggs290100.00%3100.00%
Total290100.00%3100.00%

static const struct nvkm_ram_func gf100_ram_func = { .init = gf100_ram_init, .get = gf100_ram_get, .put = gf100_ram_put, .calc = gf100_ram_calc, .prog = gf100_ram_prog, .tidy = gf100_ram_tidy, };
int gf100_ram_ctor(const struct nvkm_ram_func *func, struct nvkm_fb *fb, u32 maskaddr, struct nvkm_ram *ram) { struct nvkm_subdev *subdev = &fb->subdev; struct nvkm_device *device = subdev->device; struct nvkm_bios *bios = device->bios; const u32 rsvd_head = ( 256 * 1024); /* vga memory */ const u32 rsvd_tail = (1024 * 1024); /* vbios etc */ u32 parts = nvkm_rd32(device, 0x022438); u32 pmask = nvkm_rd32(device, maskaddr); u64 bsize = (u64)nvkm_rd32(device, 0x10f20c) << 20; u64 psize, size = 0; enum nvkm_ram_type type = nvkm_fb_bios_memtype(bios); bool uniform = true; int ret, i; nvkm_debug(subdev, "100800: %08x\n", nvkm_rd32(device, 0x100800)); nvkm_debug(subdev, "parts %08x mask %08x\n", parts, pmask); /* read amount of vram attached to each memory controller */ for (i = 0; i < parts; i++) { if (pmask & (1 << i)) continue; psize = (u64)nvkm_rd32(device, 0x11020c + (i * 0x1000)) << 20; if (psize != bsize) { if (psize < bsize) bsize = psize; uniform = false; } nvkm_debug(subdev, "%d: %d MiB\n", i, (u32)(psize >> 20)); size += psize; } ret = nvkm_ram_ctor(func, fb, type, size, 0, ram); if (ret) return ret; nvkm_mm_fini(&ram->vram); /* if all controllers have the same amount attached, there's no holes */ if (uniform) { 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; } else { /* otherwise, address lowest common amount from 0GiB */ ret = nvkm_mm_init(&ram->vram, rsvd_head >> NVKM_RAM_MM_SHIFT, ((bsize * parts) - rsvd_head) >> NVKM_RAM_MM_SHIFT, 1); if (ret) return ret; /* and the rest starting from (8GiB + common_size) */ ret = nvkm_mm_init(&ram->vram, (0x0200000000ULL + bsize) >> NVKM_RAM_MM_SHIFT, (size - (bsize * parts) - rsvd_tail) >> NVKM_RAM_MM_SHIFT, 1); if (ret) return ret; } ram->ranks = (nvkm_rd32(device, 0x10f200) & 0x00000004) ? 2 : 1; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Ben Skeggs426100.00%5100.00%
Total426100.00%5100.00%


int gf100_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram) { struct nvkm_subdev *subdev = &fb->subdev; struct nvkm_bios *bios = subdev->device->bios; struct gf100_ram *ram; int ret; if (!(ram = kzalloc(sizeof(*ram), GFP_KERNEL))) return -ENOMEM; *pram = &ram->base; ret = gf100_ram_ctor(&gf100_ram_func, fb, 0x022554, &ram->base); if (ret) return ret; ret = nvbios_pll_parse(bios, 0x0c, &ram->refpll); if (ret) { nvkm_error(subdev, "mclk refpll data not found\n"); return ret; } ret = nvbios_pll_parse(bios, 0x04, &ram->mempll); if (ret) { nvkm_error(subdev, "mclk pll data not found\n"); return ret; } ram->fuc.r_0x10fe20 = ramfuc_reg(0x10fe20); ram->fuc.r_0x10fe24 = ramfuc_reg(0x10fe24); ram->fuc.r_0x137320 = ramfuc_reg(0x137320); ram->fuc.r_0x137330 = ramfuc_reg(0x137330); ram->fuc.r_0x132000 = ramfuc_reg(0x132000); ram->fuc.r_0x132004 = ramfuc_reg(0x132004); ram->fuc.r_0x132100 = ramfuc_reg(0x132100); ram->fuc.r_0x137390 = ramfuc_reg(0x137390); ram->fuc.r_0x10f290 = ramfuc_reg(0x10f290); ram->fuc.r_0x10f294 = ramfuc_reg(0x10f294); ram->fuc.r_0x10f298 = ramfuc_reg(0x10f298); ram->fuc.r_0x10f29c = ramfuc_reg(0x10f29c); ram->fuc.r_0x10f2a0 = ramfuc_reg(0x10f2a0); ram->fuc.r_0x10f300 = ramfuc_reg(0x10f300); ram->fuc.r_0x10f338 = ramfuc_reg(0x10f338); ram->fuc.r_0x10f340 = ramfuc_reg(0x10f340); ram->fuc.r_0x10f344 = ramfuc_reg(0x10f344); ram->fuc.r_0x10f348 = ramfuc_reg(0x10f348); ram->fuc.r_0x10f910 = ramfuc_reg(0x10f910); ram->fuc.r_0x10f914 = ramfuc_reg(0x10f914); ram->fuc.r_0x100b0c = ramfuc_reg(0x100b0c); ram->fuc.r_0x10f050 = ramfuc_reg(0x10f050); ram->fuc.r_0x10f090 = ramfuc_reg(0x10f090); ram->fuc.r_0x10f200 = ramfuc_reg(0x10f200); ram->fuc.r_0x10f210 = ramfuc_reg(0x10f210); ram->fuc.r_0x10f310 = ramfuc_reg(0x10f310); ram->fuc.r_0x10f314 = ramfuc_reg(0x10f314); ram->fuc.r_0x10f610 = ramfuc_reg(0x10f610); ram->fuc.r_0x10f614 = ramfuc_reg(0x10f614); ram->fuc.r_0x10f800 = ramfuc_reg(0x10f800); ram->fuc.r_0x10f808 = ramfuc_reg(0x10f808); ram->fuc.r_0x10f824 = ramfuc_reg(0x10f824); ram->fuc.r_0x10f830 = ramfuc_reg(0x10f830); ram->fuc.r_0x10f988 = ramfuc_reg(0x10f988); ram->fuc.r_0x10f98c = ramfuc_reg(0x10f98c); ram->fuc.r_0x10f990 = ramfuc_reg(0x10f990); ram->fuc.r_0x10f998 = ramfuc_reg(0x10f998); ram->fuc.r_0x10f9b0 = ramfuc_reg(0x10f9b0); ram->fuc.r_0x10f9b4 = ramfuc_reg(0x10f9b4); ram->fuc.r_0x10fb04 = ramfuc_reg(0x10fb04); ram->fuc.r_0x10fb08 = ramfuc_reg(0x10fb08); ram->fuc.r_0x137310 = ramfuc_reg(0x137300); ram->fuc.r_0x137310 = ramfuc_reg(0x137310); ram->fuc.r_0x137360 = ramfuc_reg(0x137360); ram->fuc.r_0x1373ec = ramfuc_reg(0x1373ec); ram->fuc.r_0x1373f0 = ramfuc_reg(0x1373f0); ram->fuc.r_0x1373f8 = ramfuc_reg(0x1373f8); ram->fuc.r_0x61c140 = ramfuc_reg(0x61c140); ram->fuc.r_0x611200 = ramfuc_reg(0x611200); ram->fuc.r_0x13d8f4 = ramfuc_reg(0x13d8f4); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Ben Skeggs712100.00%6100.00%
Total712100.00%6100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Ben Skeggs439299.77%1990.48%
Roy Spliet90.20%14.76%
Ilia Mirkin10.02%14.76%
Total4402100.00%21100.00%
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with cregit.