diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/bios/extdev.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/bios/extdev.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/extdev.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/extdev.c index b8578359e61b..118e33174cbe 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/extdev.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/extdev.c @@ -46,6 +46,19 @@ extdev_table(struct nvkm_bios *bios, u8 *ver, u8 *hdr, u8 *len, u8 *cnt) return extdev + *hdr; } +bool +nvbios_extdev_skip_probe(struct nvkm_bios *bios) +{ + u8 ver, hdr, len, cnt; + u16 data = extdev_table(bios, &ver, &hdr, &len, &cnt); + if (data && ver == 0x40 && hdr >= 5) { + u8 flags = nvbios_rd08(bios, data - hdr + 4); + if (flags & 1) + return true; + } + return false; +} + static u16 nvbios_extdev_entry(struct nvkm_bios *bios, int idx, u8 *ver, u8 *len) { |