diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/bios/vmap.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/bios/vmap.c | 34 |
1 files changed, 22 insertions, 12 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/vmap.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/vmap.c index 2f13db745948..c228ca15fa3b 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/vmap.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/vmap.c @@ -25,15 +25,15 @@ #include <subdev/bios/bit.h> #include <subdev/bios/vmap.h> -u16 +u32 nvbios_vmap_table(struct nvkm_bios *bios, u8 *ver, u8 *hdr, u8 *cnt, u8 *len) { struct bit_entry bit_P; - u16 vmap = 0x0000; + u32 vmap = 0; if (!bit_entry(bios, 'P', &bit_P)) { if (bit_P.version == 2) { - vmap = nvbios_rd16(bios, bit_P.offset + 0x20); + vmap = nvbios_rd32(bios, bit_P.offset + 0x20); if (vmap) { *ver = nvbios_rd08(bios, vmap + 0); switch (*ver) { @@ -50,40 +50,50 @@ nvbios_vmap_table(struct nvkm_bios *bios, u8 *ver, u8 *hdr, u8 *cnt, u8 *len) } } - return 0x0000; + return 0; } -u16 +u32 nvbios_vmap_parse(struct nvkm_bios *bios, u8 *ver, u8 *hdr, u8 *cnt, u8 *len, struct nvbios_vmap *info) { - u16 vmap = nvbios_vmap_table(bios, ver, hdr, cnt, len); + u32 vmap = nvbios_vmap_table(bios, ver, hdr, cnt, len); memset(info, 0x00, sizeof(*info)); switch (!!vmap * *ver) { case 0x10: + info->max0 = 0xff; + info->max1 = 0xff; + info->max2 = 0xff; + break; case 0x20: + info->max0 = nvbios_rd08(bios, vmap + 0x7); + info->max1 = nvbios_rd08(bios, vmap + 0x8); + if (*len >= 0xc) + info->max2 = nvbios_rd08(bios, vmap + 0xc); + else + info->max2 = 0xff; break; } return vmap; } -u16 +u32 nvbios_vmap_entry(struct nvkm_bios *bios, int idx, u8 *ver, u8 *len) { u8 hdr, cnt; - u16 vmap = nvbios_vmap_table(bios, ver, &hdr, &cnt, len); + u32 vmap = nvbios_vmap_table(bios, ver, &hdr, &cnt, len); if (vmap && idx < cnt) { vmap = vmap + hdr + (idx * *len); return vmap; } - return 0x0000; + return 0; } -u16 +u32 nvbios_vmap_entry_parse(struct nvkm_bios *bios, int idx, u8 *ver, u8 *len, struct nvbios_vmap_entry *info) { - u16 vmap = nvbios_vmap_entry(bios, idx, ver, len); + u32 vmap = nvbios_vmap_entry(bios, idx, ver, len); memset(info, 0x00, sizeof(*info)); switch (!!vmap * *ver) { case 0x10: @@ -95,7 +105,7 @@ nvbios_vmap_entry_parse(struct nvkm_bios *bios, int idx, u8 *ver, u8 *len, info->arg[2] = nvbios_rd32(bios, vmap + 0x10); break; case 0x20: - info->unk0 = nvbios_rd08(bios, vmap + 0x00); + info->mode = nvbios_rd08(bios, vmap + 0x00); info->link = nvbios_rd08(bios, vmap + 0x01); info->min = nvbios_rd32(bios, vmap + 0x02); info->max = nvbios_rd32(bios, vmap + 0x06); |