diff options
| author | Ilia Mirkin <imirkin@alum.mit.edu> | 2015-06-19 09:51:23 +0300 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2015-08-28 05:40:03 +0300 |
| commit | bacbad17fbc636125bf472240860a58a54ad62db (patch) | |
| tree | 9c2a4dfd24aa4d8fe285537222beb636c02b842a /drivers/gpu | |
| parent | 970fee29d036eda3ea869033d6b0b7b42238b22a (diff) | |
| download | linux-bacbad17fbc636125bf472240860a58a54ad62db.tar.xz | |
drm/nouveau/bios: add opcodes 0x73 and 0x77
No known VBIOSes use these, but they are present in the actual VBIOS
table parsing logic. No harm in adding these too.
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/bios/init.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/init.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/init.c index f4611e3f0971..8e5f6ce76232 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/init.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/init.c @@ -1742,6 +1742,24 @@ init_resume(struct nvbios_init *init) } /** + * INIT_STRAP_CONDITION - opcode 0x73 + * + */ +static void +init_strap_condition(struct nvbios_init *init) +{ + struct nvkm_bios *bios = init->bios; + u32 mask = nv_ro32(bios, init->offset + 1); + u32 value = nv_ro32(bios, init->offset + 5); + + trace("STRAP_CONDITION\t(R[0x101000] & 0x%08x) == 0x%08x\n", mask, value); + init->offset += 9; + + if ((init_rd32(init, 0x101000) & mask) != value) + init_exec_set(init, false); +} + +/** * INIT_TIME - opcode 0x74 * */ @@ -1797,6 +1815,23 @@ init_io_condition(struct nvbios_init *init) } /** + * INIT_ZM_REG16 - opcode 0x77 + * + */ +static void +init_zm_reg16(struct nvbios_init *init) +{ + struct nvkm_bios *bios = init->bios; + u32 addr = nv_ro32(bios, init->offset + 1); + u16 data = nv_ro16(bios, init->offset + 5); + + trace("ZM_REG\tR[0x%06x] = 0x%04x\n", addr, data); + init->offset += 7; + + init_wr32(init, addr, data); +} + +/** * INIT_INDEX_IO - opcode 0x78 * */ @@ -2202,9 +2237,11 @@ static struct nvbios_init_opcode { [0x6f] = { init_macro }, [0x71] = { init_done }, [0x72] = { init_resume }, + [0x73] = { init_strap_condition }, [0x74] = { init_time }, [0x75] = { init_condition }, [0x76] = { init_io_condition }, + [0x77] = { init_zm_reg16 }, [0x78] = { init_index_io }, [0x79] = { init_pll }, [0x7a] = { init_zm_reg }, |