1 /* $NetBSD: nouveau_nvkm_subdev_fb_base.c,v 1.3 2021/12/18 23:45:39 riastradh Exp $ */ 2 3 /* 4 * Copyright 2012 Red Hat Inc. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 * 24 * Authors: Ben Skeggs 25 */ 26 #include <sys/cdefs.h> 27 __KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_subdev_fb_base.c,v 1.3 2021/12/18 23:45:39 riastradh Exp $"); 28 29 #include "priv.h" 30 #include "ram.h" 31 32 #include <core/memory.h> 33 #include <core/option.h> 34 #include <subdev/bios.h> 35 #include <subdev/bios/M0203.h> 36 #include <engine/gr.h> 37 #include <engine/mpeg.h> 38 39 void 40 nvkm_fb_tile_fini(struct nvkm_fb *fb, int region, struct nvkm_fb_tile *tile) 41 { 42 fb->func->tile.fini(fb, region, tile); 43 } 44 45 void 46 nvkm_fb_tile_init(struct nvkm_fb *fb, int region, u32 addr, u32 size, 47 u32 pitch, u32 flags, struct nvkm_fb_tile *tile) 48 { 49 fb->func->tile.init(fb, region, addr, size, pitch, flags, tile); 50 } 51 52 void 53 nvkm_fb_tile_prog(struct nvkm_fb *fb, int region, struct nvkm_fb_tile *tile) 54 { 55 struct nvkm_device *device = fb->subdev.device; 56 if (fb->func->tile.prog) { 57 fb->func->tile.prog(fb, region, tile); 58 if (device->gr) 59 nvkm_engine_tile(&device->gr->engine, region); 60 if (device->mpeg) 61 nvkm_engine_tile(device->mpeg, region); 62 } 63 } 64 65 int 66 nvkm_fb_bios_memtype(struct nvkm_bios *bios) 67 { 68 struct nvkm_subdev *subdev = &bios->subdev; 69 struct nvkm_device *device = subdev->device; 70 const u8 ramcfg = (nvkm_rd32(device, 0x101000) & 0x0000003c) >> 2; 71 struct nvbios_M0203E M0203E; 72 u8 ver, hdr; 73 74 if (nvbios_M0203Em(bios, ramcfg, &ver, &hdr, &M0203E)) { 75 switch (M0203E.type) { 76 case M0203E_TYPE_DDR2 : return NVKM_RAM_TYPE_DDR2; 77 case M0203E_TYPE_DDR3 : return NVKM_RAM_TYPE_DDR3; 78 case M0203E_TYPE_GDDR3 : return NVKM_RAM_TYPE_GDDR3; 79 case M0203E_TYPE_GDDR5 : return NVKM_RAM_TYPE_GDDR5; 80 case M0203E_TYPE_GDDR5X: return NVKM_RAM_TYPE_GDDR5X; 81 case M0203E_TYPE_GDDR6 : return NVKM_RAM_TYPE_GDDR6; 82 case M0203E_TYPE_HBM2 : return NVKM_RAM_TYPE_HBM2; 83 default: 84 nvkm_warn(subdev, "M0203E type %02x\n", M0203E.type); 85 return NVKM_RAM_TYPE_UNKNOWN; 86 } 87 } 88 89 nvkm_warn(subdev, "M0203E not matched!\n"); 90 return NVKM_RAM_TYPE_UNKNOWN; 91 } 92 93 static void 94 nvkm_fb_intr(struct nvkm_subdev *subdev) 95 { 96 struct nvkm_fb *fb = nvkm_fb(subdev); 97 if (fb->func->intr) 98 fb->func->intr(fb); 99 } 100 101 static int 102 nvkm_fb_oneinit(struct nvkm_subdev *subdev) 103 { 104 struct nvkm_fb *fb = nvkm_fb(subdev); 105 u32 tags = 0; 106 107 if (fb->func->ram_new) { 108 int ret = fb->func->ram_new(fb, &fb->ram); 109 if (ret) { 110 nvkm_error(subdev, "vram setup failed, %d\n", ret); 111 return ret; 112 } 113 } 114 115 if (fb->func->oneinit) { 116 int ret = fb->func->oneinit(fb); 117 if (ret) 118 return ret; 119 } 120 121 /* Initialise compression tag allocator. 122 * 123 * LTC oneinit() will override this on Fermi and newer. 124 */ 125 if (fb->func->tags) { 126 tags = fb->func->tags(fb); 127 nvkm_debug(subdev, "%d comptags\n", tags); 128 } 129 130 return nvkm_mm_init(&fb->tags, 0, 0, tags, 1); 131 } 132 133 static int 134 nvkm_fb_init_scrub_vpr(struct nvkm_fb *fb) 135 { 136 struct nvkm_subdev *subdev = &fb->subdev; 137 int ret; 138 139 nvkm_debug(subdev, "VPR locked, running scrubber binary\n"); 140 141 if (!fb->vpr_scrubber.size) { 142 nvkm_warn(subdev, "VPR locked, but no scrubber binary!\n"); 143 return 0; 144 } 145 146 ret = fb->func->vpr.scrub(fb); 147 if (ret) { 148 nvkm_error(subdev, "VPR scrubber binary failed\n"); 149 return ret; 150 } 151 152 if (fb->func->vpr.scrub_required(fb)) { 153 nvkm_error(subdev, "VPR still locked after scrub!\n"); 154 return -EIO; 155 } 156 157 nvkm_debug(subdev, "VPR scrubber binary successful\n"); 158 return 0; 159 } 160 161 static int 162 nvkm_fb_init(struct nvkm_subdev *subdev) 163 { 164 struct nvkm_fb *fb = nvkm_fb(subdev); 165 int ret, i; 166 167 if (fb->ram) { 168 ret = nvkm_ram_init(fb->ram); 169 if (ret) 170 return ret; 171 } 172 173 for (i = 0; i < fb->tile.regions; i++) 174 fb->func->tile.prog(fb, i, &fb->tile.region[i]); 175 176 if (fb->func->init) 177 fb->func->init(fb); 178 179 if (fb->func->init_remapper) 180 fb->func->init_remapper(fb); 181 182 if (fb->func->init_page) { 183 ret = fb->func->init_page(fb); 184 if (WARN_ON(ret)) 185 return ret; 186 } 187 188 if (fb->func->init_unkn) 189 fb->func->init_unkn(fb); 190 191 if (fb->func->vpr.scrub_required && 192 fb->func->vpr.scrub_required(fb)) { 193 ret = nvkm_fb_init_scrub_vpr(fb); 194 if (ret) 195 return ret; 196 } 197 198 return 0; 199 } 200 201 static void * 202 nvkm_fb_dtor(struct nvkm_subdev *subdev) 203 { 204 struct nvkm_fb *fb = nvkm_fb(subdev); 205 int i; 206 207 nvkm_memory_unref(&fb->mmu_wr); 208 nvkm_memory_unref(&fb->mmu_rd); 209 210 for (i = 0; i < fb->tile.regions; i++) 211 fb->func->tile.fini(fb, i, &fb->tile.region[i]); 212 213 nvkm_mm_fini(&fb->tags); 214 nvkm_ram_del(&fb->ram); 215 216 nvkm_blob_dtor(&fb->vpr_scrubber); 217 218 if (fb->func->dtor) 219 return fb->func->dtor(fb); 220 return fb; 221 } 222 223 static const struct nvkm_subdev_func 224 nvkm_fb = { 225 .dtor = nvkm_fb_dtor, 226 .oneinit = nvkm_fb_oneinit, 227 .init = nvkm_fb_init, 228 .intr = nvkm_fb_intr, 229 }; 230 231 void 232 nvkm_fb_ctor(const struct nvkm_fb_func *func, struct nvkm_device *device, 233 int index, struct nvkm_fb *fb) 234 { 235 nvkm_subdev_ctor(&nvkm_fb, device, index, &fb->subdev); 236 fb->func = func; 237 fb->tile.regions = fb->func->tile.regions; 238 fb->page = nvkm_longopt(device->cfgopt, "NvFbBigPage", 239 fb->func->default_bigpage); 240 } 241 242 int 243 nvkm_fb_new_(const struct nvkm_fb_func *func, struct nvkm_device *device, 244 int index, struct nvkm_fb **pfb) 245 { 246 if (!(*pfb = kzalloc(sizeof(**pfb), GFP_KERNEL))) 247 return -ENOMEM; 248 nvkm_fb_ctor(func, device, index, *pfb); 249 return 0; 250 } 251
Indexes created Sun Sep 21 20:09:37 GMT 2025