diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c | 219 |
1 files changed, 218 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c b/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c index cda70fc..0156862 100644 --- a/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c +++ b/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c @@ -26,14 +26,199 @@ #include "ctxnvc0.h" /******************************************************************************* + * Zero Bandwidth Clear + ******************************************************************************/ + +static void +nvc0_graph_zbc_clear_color(struct nvc0_graph_priv *priv, int zbc) +{ + if (priv->zbc_color[zbc].format) { + nv_wr32(priv, 0x405804, priv->zbc_color[zbc].ds[0]); + nv_wr32(priv, 0x405808, priv->zbc_color[zbc].ds[1]); + nv_wr32(priv, 0x40580c, priv->zbc_color[zbc].ds[2]); + nv_wr32(priv, 0x405810, priv->zbc_color[zbc].ds[3]); + } + nv_wr32(priv, 0x405814, priv->zbc_color[zbc].format); + nv_wr32(priv, 0x405820, zbc); + nv_wr32(priv, 0x405824, 0x00000004); /* TRIGGER | WRITE | COLOR */ +} + +static int +nvc0_graph_zbc_color_get(struct nvc0_graph_priv *priv, int format, + const u32 ds[4], const u32 l2[4]) +{ + struct nouveau_ltc *ltc = nouveau_ltc(priv); + int zbc = -ENOSPC, i; + + for (i = ltc->zbc_min; i <= ltc->zbc_max; i++) { + if (priv->zbc_color[i].format) { + if (priv->zbc_color[i].format != format) + continue; + if (memcmp(priv->zbc_color[i].ds, ds, sizeof( + priv->zbc_color[i].ds))) + continue; + if (memcmp(priv->zbc_color[i].l2, l2, sizeof( + priv->zbc_color[i].l2))) { + WARN_ON(1); + return -EINVAL; + } + return i; + } else { + zbc = (zbc < 0) ? i : zbc; + } + } + + memcpy(priv->zbc_color[zbc].ds, ds, sizeof(priv->zbc_color[zbc].ds)); + memcpy(priv->zbc_color[zbc].l2, l2, sizeof(priv->zbc_color[zbc].l2)); + priv->zbc_color[zbc].format = format; + ltc->zbc_color_get(ltc, zbc, l2); + nvc0_graph_zbc_clear_color(priv, zbc); + return zbc; +} + +static void +nvc0_graph_zbc_clear_depth(struct nvc0_graph_priv *priv, int zbc) +{ + if (priv->zbc_depth[zbc].format) + nv_wr32(priv, 0x405818, priv->zbc_depth[zbc].ds); + nv_wr32(priv, 0x40581c, priv->zbc_depth[zbc].format); + nv_wr32(priv, 0x405820, zbc); + nv_wr32(priv, 0x405824, 0x00000005); /* TRIGGER | WRITE | DEPTH */ +} + +static int +nvc0_graph_zbc_depth_get(struct nvc0_graph_priv *priv, int format, + const u32 ds, const u32 l2) +{ + struct nouveau_ltc *ltc = nouveau_ltc(priv); + int zbc = -ENOSPC, i; + + for (i = ltc->zbc_min; i <= ltc->zbc_max; i++) { + if (priv->zbc_depth[i].format) { + if (priv->zbc_depth[i].format != format) + continue; + if (priv->zbc_depth[i].ds != ds) + continue; + if (priv->zbc_depth[i].l2 != l2) { + WARN_ON(1); + return -EINVAL; + } + return i; + } else { + zbc = (zbc < 0) ? i : zbc; + } + } + + priv->zbc_depth[zbc].format = format; + priv->zbc_depth[zbc].ds = ds; + priv->zbc_depth[zbc].l2 = l2; + ltc->zbc_depth_get(ltc, zbc, l2); + nvc0_graph_zbc_clear_depth(priv, zbc); + return zbc; +} + +/******************************************************************************* * Graphics object classes ******************************************************************************/ +static int +nvc0_fermi_mthd_zbc_color(struct nouveau_object *object, void *data, u32 size) +{ + struct nvc0_graph_priv *priv = (void *)object->engine; + union { + struct fermi_a_zbc_color_v0 v0; + } *args = data; + int ret; + + if (nvif_unpack(args->v0, 0, 0, false)) { + switch (args->v0.format) { + case FERMI_A_ZBC_COLOR_V0_FMT_ZERO: + case FERMI_A_ZBC_COLOR_V0_FMT_UNORM_ONE: + case FERMI_A_ZBC_COLOR_V0_FMT_RF32_GF32_BF32_AF32: + case FERMI_A_ZBC_COLOR_V0_FMT_R16_G16_B16_A16: + case FERMI_A_ZBC_COLOR_V0_FMT_RN16_GN16_BN16_AN16: + case FERMI_A_ZBC_COLOR_V0_FMT_RS16_GS16_BS16_AS16: + case FERMI_A_ZBC_COLOR_V0_FMT_RU16_GU16_BU16_AU16: + case FERMI_A_ZBC_COLOR_V0_FMT_RF16_GF16_BF16_AF16: + case FERMI_A_ZBC_COLOR_V0_FMT_A8R8G8B8: + case FERMI_A_ZBC_COLOR_V0_FMT_A8RL8GL8BL8: + case FERMI_A_ZBC_COLOR_V0_FMT_A2B10G10R10: + case FERMI_A_ZBC_COLOR_V0_FMT_AU2BU10GU10RU10: + case FERMI_A_ZBC_COLOR_V0_FMT_A8B8G8R8: + case FERMI_A_ZBC_COLOR_V0_FMT_A8BL8GL8RL8: + case FERMI_A_ZBC_COLOR_V0_FMT_AN8BN8GN8RN8: + case FERMI_A_ZBC_COLOR_V0_FMT_AS8BS8GS8RS8: + case FERMI_A_ZBC_COLOR_V0_FMT_AU8BU8GU8RU8: + case FERMI_A_ZBC_COLOR_V0_FMT_A2R10G10B10: + case FERMI_A_ZBC_COLOR_V0_FMT_BF10GF11RF11: + ret = nvc0_graph_zbc_color_get(priv, args->v0.format, + args->v0.ds, + args->v0.l2); + if (ret >= 0) { + args->v0.index = ret; + return 0; + } + break; + default: + return -EINVAL; + } + } + + return ret; +} + +static int +nvc0_fermi_mthd_zbc_depth(struct nouveau_object *object, void *data, u32 size) +{ + struct nvc0_graph_priv *priv = (void *)object->engine; + union { + struct fermi_a_zbc_depth_v0 v0; + } *args = data; + int ret; + + if (nvif_unpack(args->v0, 0, 0, false)) { + switch (args->v0.format) { + case FERMI_A_ZBC_DEPTH_V0_FMT_FP32: + ret = nvc0_graph_zbc_depth_get(priv, args->v0.format, + args->v0.ds, + args->v0.l2); + return (ret >= 0) ? 0 : -ENOSPC; + default: + return -EINVAL; + } + } + + return ret; +} + +static int +nvc0_fermi_mthd(struct nouveau_object *object, u32 mthd, void *data, u32 size) +{ + switch (mthd) { + case FERMI_A_ZBC_COLOR: + return nvc0_fermi_mthd_zbc_color(object, data, size); + case FERMI_A_ZBC_DEPTH: + return nvc0_fermi_mthd_zbc_depth(object, data, size); + default: + break; + } + return -EINVAL; +} + +struct nouveau_ofuncs +nvc0_fermi_ofuncs = { + .ctor = _nouveau_object_ctor, + .dtor = nouveau_object_destroy, + .init = nouveau_object_init, + .fini = nouveau_object_fini, + .mthd = nvc0_fermi_mthd, +}; + struct nouveau_oclass nvc0_graph_sclass[] = { { 0x902d, &nouveau_object_ofuncs }, { 0x9039, &nouveau_object_ofuncs }, - { 0x9097, &nouveau_object_ofuncs }, + { FERMI_A, &nvc0_fermi_ofuncs }, { 0x90c0, &nouveau_object_ofuncs }, {} }; @@ -407,6 +592,35 @@ nvc0_graph_pack_mmio[] = { ******************************************************************************/ void +nvc0_graph_zbc_init(struct nvc0_graph_priv *priv) +{ + const u32 zero[] = { 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0x00000000, 0x00000000 }; + const u32 one[] = { 0x3f800000, 0x3f800000, 0x3f800000, 0x3f800000, + 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff }; + const u32 f32_0[] = { 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0x00000000, 0x00000000 }; + const u32 f32_1[] = { 0x3f800000, 0x3f800000, 0x3f800000, 0x3f800000, + 0x3f800000, 0x3f800000, 0x3f800000, 0x3f800000 }; + struct nouveau_ltc *ltc = nouveau_ltc(priv); + int index; + + if (!priv->zbc_color[0].format) { + nvc0_graph_zbc_color_get(priv, 1, & zero[0], &zero[4]); + nvc0_graph_zbc_color_get(priv, 2, & one[0], &one[4]); + nvc0_graph_zbc_color_get(priv, 4, &f32_0[0], &f32_0[4]); + nvc0_graph_zbc_color_get(priv, 4, &f32_1[0], &f32_1[4]); + nvc0_graph_zbc_depth_get(priv, 1, 0x00000000, 0x00000000); + nvc0_graph_zbc_depth_get(priv, 1, 0x3f800000, 0x3f800000); + } + + for (index = ltc->zbc_min; index <= ltc->zbc_max; index++) + nvc0_graph_zbc_clear_color(priv, index); + for (index = ltc->zbc_min; index <= ltc->zbc_max; index++) + nvc0_graph_zbc_clear_depth(priv, index); +} + +void nvc0_graph_mmio(struct nvc0_graph_priv *priv, const struct nvc0_graph_pack *p) { const struct nvc0_graph_pack *pack; @@ -1223,6 +1437,9 @@ nvc0_graph_init(struct nouveau_object *object) nv_wr32(priv, 0x400134, 0xffffffff); nv_wr32(priv, 0x400054, 0x34ce3464); + + nvc0_graph_zbc_init(priv); + return nvc0_graph_init_ctxctl(priv); } |
