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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/gpu/drm/nouveau/nvkm/subdev/fb/base.c | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/fb/base.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/fb/base.c | 247 |
1 files changed, 247 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/base.c new file mode 100644 index 000000000..6faaea948 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/base.c @@ -0,0 +1,247 @@ +/* + * Copyright 2012 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 + */ +#include "priv.h" +#include "ram.h" + +#include <core/memory.h> +#include <core/option.h> +#include <subdev/bios.h> +#include <subdev/bios/M0203.h> +#include <engine/gr.h> +#include <engine/mpeg.h> + +void +nvkm_fb_tile_fini(struct nvkm_fb *fb, int region, struct nvkm_fb_tile *tile) +{ + fb->func->tile.fini(fb, region, tile); +} + +void +nvkm_fb_tile_init(struct nvkm_fb *fb, int region, u32 addr, u32 size, + u32 pitch, u32 flags, struct nvkm_fb_tile *tile) +{ + fb->func->tile.init(fb, region, addr, size, pitch, flags, tile); +} + +void +nvkm_fb_tile_prog(struct nvkm_fb *fb, int region, struct nvkm_fb_tile *tile) +{ + struct nvkm_device *device = fb->subdev.device; + if (fb->func->tile.prog) { + fb->func->tile.prog(fb, region, tile); + if (device->gr) + nvkm_engine_tile(&device->gr->engine, region); + if (device->mpeg) + nvkm_engine_tile(device->mpeg, region); + } +} + +int +nvkm_fb_bios_memtype(struct nvkm_bios *bios) +{ + struct nvkm_subdev *subdev = &bios->subdev; + struct nvkm_device *device = subdev->device; + const u8 ramcfg = (nvkm_rd32(device, 0x101000) & 0x0000003c) >> 2; + struct nvbios_M0203E M0203E; + u8 ver, hdr; + + if (nvbios_M0203Em(bios, ramcfg, &ver, &hdr, &M0203E)) { + switch (M0203E.type) { + case M0203E_TYPE_DDR2 : return NVKM_RAM_TYPE_DDR2; + case M0203E_TYPE_DDR3 : return NVKM_RAM_TYPE_DDR3; + case M0203E_TYPE_GDDR3 : return NVKM_RAM_TYPE_GDDR3; + case M0203E_TYPE_GDDR5 : return NVKM_RAM_TYPE_GDDR5; + case M0203E_TYPE_GDDR5X: return NVKM_RAM_TYPE_GDDR5X; + case M0203E_TYPE_GDDR6 : return NVKM_RAM_TYPE_GDDR6; + case M0203E_TYPE_HBM2 : return NVKM_RAM_TYPE_HBM2; + default: + nvkm_warn(subdev, "M0203E type %02x\n", M0203E.type); + return NVKM_RAM_TYPE_UNKNOWN; + } + } + + nvkm_warn(subdev, "M0203E not matched!\n"); + return NVKM_RAM_TYPE_UNKNOWN; +} + +static void +nvkm_fb_intr(struct nvkm_subdev *subdev) +{ + struct nvkm_fb *fb = nvkm_fb(subdev); + if (fb->func->intr) + fb->func->intr(fb); +} + +static int +nvkm_fb_oneinit(struct nvkm_subdev *subdev) +{ + struct nvkm_fb *fb = nvkm_fb(subdev); + u32 tags = 0; + + if (fb->func->ram_new) { + int ret = fb->func->ram_new(fb, &fb->ram); + if (ret) { + nvkm_error(subdev, "vram setup failed, %d\n", ret); + return ret; + } + } + + if (fb->func->oneinit) { + int ret = fb->func->oneinit(fb); + if (ret) + return ret; + } + + /* Initialise compression tag allocator. + * + * LTC oneinit() will override this on Fermi and newer. + */ + if (fb->func->tags) { + tags = fb->func->tags(fb); + nvkm_debug(subdev, "%d comptags\n", tags); + } + + return nvkm_mm_init(&fb->tags.mm, 0, 0, tags, 1); +} + +static int +nvkm_fb_init_scrub_vpr(struct nvkm_fb *fb) +{ + struct nvkm_subdev *subdev = &fb->subdev; + int ret; + + nvkm_debug(subdev, "VPR locked, running scrubber binary\n"); + + if (!fb->vpr_scrubber.size) { + nvkm_warn(subdev, "VPR locked, but no scrubber binary!\n"); + return 0; + } + + ret = fb->func->vpr.scrub(fb); + if (ret) { + nvkm_error(subdev, "VPR scrubber binary failed\n"); + return ret; + } + + if (fb->func->vpr.scrub_required(fb)) { + nvkm_error(subdev, "VPR still locked after scrub!\n"); + return -EIO; + } + + nvkm_debug(subdev, "VPR scrubber binary successful\n"); + return 0; +} + +static int +nvkm_fb_init(struct nvkm_subdev *subdev) +{ + struct nvkm_fb *fb = nvkm_fb(subdev); + int ret, i; + + if (fb->ram) { + ret = nvkm_ram_init(fb->ram); + if (ret) + return ret; + } + + for (i = 0; i < fb->tile.regions; i++) + fb->func->tile.prog(fb, i, &fb->tile.region[i]); + + if (fb->func->init) + fb->func->init(fb); + + if (fb->func->init_remapper) + fb->func->init_remapper(fb); + + if (fb->func->init_page) { + ret = fb->func->init_page(fb); + if (WARN_ON(ret)) + return ret; + } + + if (fb->func->init_unkn) + fb->func->init_unkn(fb); + + if (fb->func->vpr.scrub_required && + fb->func->vpr.scrub_required(fb)) { + ret = nvkm_fb_init_scrub_vpr(fb); + if (ret) + return ret; + } + + return 0; +} + +static void * +nvkm_fb_dtor(struct nvkm_subdev *subdev) +{ + struct nvkm_fb *fb = nvkm_fb(subdev); + int i; + + nvkm_memory_unref(&fb->mmu_wr); + nvkm_memory_unref(&fb->mmu_rd); + + for (i = 0; i < fb->tile.regions; i++) + fb->func->tile.fini(fb, i, &fb->tile.region[i]); + + nvkm_mm_fini(&fb->tags.mm); + mutex_destroy(&fb->tags.mutex); + + nvkm_ram_del(&fb->ram); + + nvkm_blob_dtor(&fb->vpr_scrubber); + + if (fb->func->dtor) + return fb->func->dtor(fb); + return fb; +} + +static const struct nvkm_subdev_func +nvkm_fb = { + .dtor = nvkm_fb_dtor, + .oneinit = nvkm_fb_oneinit, + .init = nvkm_fb_init, + .intr = nvkm_fb_intr, +}; + +void +nvkm_fb_ctor(const struct nvkm_fb_func *func, struct nvkm_device *device, + enum nvkm_subdev_type type, int inst, struct nvkm_fb *fb) +{ + nvkm_subdev_ctor(&nvkm_fb, device, type, inst, &fb->subdev); + fb->func = func; + fb->tile.regions = fb->func->tile.regions; + fb->page = nvkm_longopt(device->cfgopt, "NvFbBigPage", fb->func->default_bigpage); + mutex_init(&fb->tags.mutex); +} + +int +nvkm_fb_new_(const struct nvkm_fb_func *func, struct nvkm_device *device, + enum nvkm_subdev_type type, int inst, struct nvkm_fb **pfb) +{ + if (!(*pfb = kzalloc(sizeof(**pfb), GFP_KERNEL))) + return -ENOMEM; + nvkm_fb_ctor(func, device, type, inst, *pfb); + return 0; +} |