diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/ltc/gf100.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/ltc/gf100.c | 202 |
1 files changed, 91 insertions, 111 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/gf100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/gf100.c index 7fb5ea0314cb..45ac765b753e 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/gf100.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/gf100.c @@ -28,38 +28,47 @@ #include <subdev/timer.h> void -gf100_ltc_cbc_clear(struct nvkm_ltc_priv *priv, u32 start, u32 limit) +gf100_ltc_cbc_clear(struct nvkm_ltc *ltc, u32 start, u32 limit) { - nv_wr32(priv, 0x17e8cc, start); - nv_wr32(priv, 0x17e8d0, limit); - nv_wr32(priv, 0x17e8c8, 0x00000004); + struct nvkm_device *device = ltc->subdev.device; + nvkm_wr32(device, 0x17e8cc, start); + nvkm_wr32(device, 0x17e8d0, limit); + nvkm_wr32(device, 0x17e8c8, 0x00000004); } void -gf100_ltc_cbc_wait(struct nvkm_ltc_priv *priv) +gf100_ltc_cbc_wait(struct nvkm_ltc *ltc) { + struct nvkm_device *device = ltc->subdev.device; int c, s; - for (c = 0; c < priv->ltc_nr; c++) { - for (s = 0; s < priv->lts_nr; s++) - nv_wait(priv, 0x1410c8 + c * 0x2000 + s * 0x400, ~0, 0); + for (c = 0; c < ltc->ltc_nr; c++) { + for (s = 0; s < ltc->lts_nr; s++) { + const u32 addr = 0x1410c8 + (c * 0x2000) + (s * 0x400); + nvkm_msec(device, 2000, + if (!nvkm_rd32(device, addr)) + break; + ); + } } } void -gf100_ltc_zbc_clear_color(struct nvkm_ltc_priv *priv, int i, const u32 color[4]) +gf100_ltc_zbc_clear_color(struct nvkm_ltc *ltc, int i, const u32 color[4]) { - nv_mask(priv, 0x17ea44, 0x0000000f, i); - nv_wr32(priv, 0x17ea48, color[0]); - nv_wr32(priv, 0x17ea4c, color[1]); - nv_wr32(priv, 0x17ea50, color[2]); - nv_wr32(priv, 0x17ea54, color[3]); + struct nvkm_device *device = ltc->subdev.device; + nvkm_mask(device, 0x17ea44, 0x0000000f, i); + nvkm_wr32(device, 0x17ea48, color[0]); + nvkm_wr32(device, 0x17ea4c, color[1]); + nvkm_wr32(device, 0x17ea50, color[2]); + nvkm_wr32(device, 0x17ea54, color[3]); } void -gf100_ltc_zbc_clear_depth(struct nvkm_ltc_priv *priv, int i, const u32 depth) +gf100_ltc_zbc_clear_depth(struct nvkm_ltc *ltc, int i, const u32 depth) { - nv_mask(priv, 0x17ea44, 0x0000000f, i); - nv_wr32(priv, 0x17ea58, depth); + struct nvkm_device *device = ltc->subdev.device; + nvkm_mask(device, 0x17ea44, 0x0000000f, i); + nvkm_wr32(device, 0x17ea58, depth); } static const struct nvkm_bitfield @@ -81,88 +90,60 @@ gf100_ltc_lts_intr_name[] = { }; static void -gf100_ltc_lts_intr(struct nvkm_ltc_priv *priv, int ltc, int lts) +gf100_ltc_lts_intr(struct nvkm_ltc *ltc, int c, int s) { - u32 base = 0x141000 + (ltc * 0x2000) + (lts * 0x400); - u32 intr = nv_rd32(priv, base + 0x020); + struct nvkm_subdev *subdev = <c->subdev; + struct nvkm_device *device = subdev->device; + u32 base = 0x141000 + (c * 0x2000) + (s * 0x400); + u32 intr = nvkm_rd32(device, base + 0x020); u32 stat = intr & 0x0000ffff; + char msg[128]; if (stat) { - nv_info(priv, "LTC%d_LTS%d:", ltc, lts); - nvkm_bitfield_print(gf100_ltc_lts_intr_name, stat); - pr_cont("\n"); + nvkm_snprintbf(msg, sizeof(msg), gf100_ltc_lts_intr_name, stat); + nvkm_error(subdev, "LTC%d_LTS%d: %08x [%s]\n", c, s, stat, msg); } - nv_wr32(priv, base + 0x020, intr); + nvkm_wr32(device, base + 0x020, intr); } void -gf100_ltc_intr(struct nvkm_subdev *subdev) +gf100_ltc_intr(struct nvkm_ltc *ltc) { - struct nvkm_ltc_priv *priv = (void *)subdev; + struct nvkm_device *device = ltc->subdev.device; u32 mask; - mask = nv_rd32(priv, 0x00017c); + mask = nvkm_rd32(device, 0x00017c); while (mask) { - u32 lts, ltc = __ffs(mask); - for (lts = 0; lts < priv->lts_nr; lts++) - gf100_ltc_lts_intr(priv, ltc, lts); - mask &= ~(1 << ltc); + u32 s, c = __ffs(mask); + for (s = 0; s < ltc->lts_nr; s++) + gf100_ltc_lts_intr(ltc, c, s); + mask &= ~(1 << c); } } -static int -gf100_ltc_init(struct nvkm_object *object) -{ - struct nvkm_ltc_priv *priv = (void *)object; - u32 lpg128 = !(nv_rd32(priv, 0x100c80) & 0x00000001); - int ret; - - ret = nvkm_ltc_init(priv); - if (ret) - return ret; - - nv_mask(priv, 0x17e820, 0x00100000, 0x00000000); /* INTR_EN &= ~0x10 */ - nv_wr32(priv, 0x17e8d8, priv->ltc_nr); - nv_wr32(priv, 0x17e8d4, priv->tag_base); - nv_mask(priv, 0x17e8c0, 0x00000002, lpg128 ? 0x00000002 : 0x00000000); - return 0; -} - -void -gf100_ltc_dtor(struct nvkm_object *object) -{ - struct nvkm_fb *pfb = nvkm_fb(object); - struct nvkm_ltc_priv *priv = (void *)object; - - nvkm_mm_fini(&priv->tags); - if (pfb->ram) - nvkm_mm_free(&pfb->vram, &priv->tag_ram); - - nvkm_ltc_destroy(priv); -} - /* TODO: Figure out tag memory details and drop the over-cautious allocation. */ int -gf100_ltc_init_tag_ram(struct nvkm_fb *pfb, struct nvkm_ltc_priv *priv) +gf100_ltc_oneinit_tag_ram(struct nvkm_ltc *ltc) { + struct nvkm_ram *ram = ltc->subdev.device->fb->ram; u32 tag_size, tag_margin, tag_align; int ret; /* No VRAM, no tags for now. */ - if (!pfb->ram) { - priv->num_tags = 0; + if (!ram) { + ltc->num_tags = 0; goto mm_init; } /* tags for 1/4 of VRAM should be enough (8192/4 per GiB of VRAM) */ - priv->num_tags = (pfb->ram->size >> 17) / 4; - if (priv->num_tags > (1 << 17)) - priv->num_tags = 1 << 17; /* we have 17 bits in PTE */ - priv->num_tags = (priv->num_tags + 63) & ~63; /* round up to 64 */ + ltc->num_tags = (ram->size >> 17) / 4; + if (ltc->num_tags > (1 << 17)) + ltc->num_tags = 1 << 17; /* we have 17 bits in PTE */ + ltc->num_tags = (ltc->num_tags + 63) & ~63; /* round up to 64 */ - tag_align = priv->ltc_nr * 0x800; + tag_align = ltc->ltc_nr * 0x800; tag_margin = (tag_align < 0x6000) ? 0x6000 : tag_align; /* 4 part 4 sub: 0x2000 bytes for 56 tags */ @@ -173,72 +154,71 @@ gf100_ltc_init_tag_ram(struct nvkm_fb *pfb, struct nvkm_ltc_priv *priv) * * For 4 GiB of memory we'll have 8192 tags which makes 3 MiB, < 0.1 %. */ - tag_size = (priv->num_tags / 64) * 0x6000 + tag_margin; + tag_size = (ltc->num_tags / 64) * 0x6000 + tag_margin; tag_size += tag_align; tag_size = (tag_size + 0xfff) >> 12; /* round up */ - ret = nvkm_mm_tail(&pfb->vram, 1, 1, tag_size, tag_size, 1, - &priv->tag_ram); + ret = nvkm_mm_tail(&ram->vram, 1, 1, tag_size, tag_size, 1, + <c->tag_ram); if (ret) { - priv->num_tags = 0; + ltc->num_tags = 0; } else { - u64 tag_base = ((u64)priv->tag_ram->offset << 12) + tag_margin; + u64 tag_base = ((u64)ltc->tag_ram->offset << 12) + tag_margin; tag_base += tag_align - 1; - ret = do_div(tag_base, tag_align); + do_div(tag_base, tag_align); - priv->tag_base = tag_base; + ltc->tag_base = tag_base; } mm_init: - ret = nvkm_mm_init(&priv->tags, 0, priv->num_tags, 1); - return ret; + return nvkm_mm_init(<c->tags, 0, ltc->num_tags, 1); } int -gf100_ltc_ctor(struct nvkm_object *parent, struct nvkm_object *engine, - struct nvkm_oclass *oclass, void *data, u32 size, - struct nvkm_object **pobject) +gf100_ltc_oneinit(struct nvkm_ltc *ltc) { - struct nvkm_fb *pfb = nvkm_fb(parent); - struct nvkm_ltc_priv *priv; - u32 parts, mask; - int ret, i; - - ret = nvkm_ltc_create(parent, engine, oclass, &priv); - *pobject = nv_object(priv); - if (ret) - return ret; - - parts = nv_rd32(priv, 0x022438); - mask = nv_rd32(priv, 0x022554); + struct nvkm_device *device = ltc->subdev.device; + const u32 parts = nvkm_rd32(device, 0x022438); + const u32 mask = nvkm_rd32(device, 0x022554); + const u32 slice = nvkm_rd32(device, 0x17e8dc) >> 28; + int i; + for (i = 0; i < parts; i++) { if (!(mask & (1 << i))) - priv->ltc_nr++; + ltc->ltc_nr++; } - priv->lts_nr = nv_rd32(priv, 0x17e8dc) >> 28; + ltc->lts_nr = slice; + + return gf100_ltc_oneinit_tag_ram(ltc); +} - ret = gf100_ltc_init_tag_ram(pfb, priv); - if (ret) - return ret; +static void +gf100_ltc_init(struct nvkm_ltc *ltc) +{ + struct nvkm_device *device = ltc->subdev.device; + u32 lpg128 = !(nvkm_rd32(device, 0x100c80) & 0x00000001); - nv_subdev(priv)->intr = gf100_ltc_intr; - return 0; + nvkm_mask(device, 0x17e820, 0x00100000, 0x00000000); /* INTR_EN &= ~0x10 */ + nvkm_wr32(device, 0x17e8d8, ltc->ltc_nr); + nvkm_wr32(device, 0x17e8d4, ltc->tag_base); + nvkm_mask(device, 0x17e8c0, 0x00000002, lpg128 ? 0x00000002 : 0x00000000); } -struct nvkm_oclass * -gf100_ltc_oclass = &(struct nvkm_ltc_impl) { - .base.handle = NV_SUBDEV(LTC, 0xc0), - .base.ofuncs = &(struct nvkm_ofuncs) { - .ctor = gf100_ltc_ctor, - .dtor = gf100_ltc_dtor, - .init = gf100_ltc_init, - .fini = _nvkm_ltc_fini, - }, +static const struct nvkm_ltc_func +gf100_ltc = { + .oneinit = gf100_ltc_oneinit, + .init = gf100_ltc_init, .intr = gf100_ltc_intr, .cbc_clear = gf100_ltc_cbc_clear, .cbc_wait = gf100_ltc_cbc_wait, .zbc = 16, .zbc_clear_color = gf100_ltc_zbc_clear_color, .zbc_clear_depth = gf100_ltc_zbc_clear_depth, -}.base; +}; + +int +gf100_ltc_new(struct nvkm_device *device, int index, struct nvkm_ltc **pltc) +{ + return nvkm_ltc_new_(&gf100_ltc, device, index, pltc); +} |