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drm/nouveau/bios/vmap: unk0 field is the mode 

Depending on the value a different formular is used to calculated the
voltage for this entry.

Signed-off-by: Karol Herbst <karolherbst@gmail.com>
Reviewed-by: Martin Peres <martin.peres@free.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Karol Herbst 2016-07-12 21:36:08 +02:00 committed by Ben Skeggs
parent 5e00e3263b
commit 5c3b16ee1d
2 changed files with 2 additions and 2 deletions
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2
drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/vmap.h
View File

@ -11,7 +11,7 @@ u16 nvbios_vmap_parse(struct nvkm_bios *, u8 *ver, u8 *hdr, u8 *cnt, u8 *len,
struct nvbios_vmap *);
struct nvbios_vmap_entry {
u8 unk0;
u8 mode;
u8 link;
u32 min;
u32 max;

2
drivers/gpu/drm/nouveau/nvkm/subdev/bios/vmap.c
View File

@ -105,7 +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);