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 <[email protected]>
Reviewed-by: Martin Peres <[email protected]>
Signed-off-by: Ben Skeggs <[email protected]>

diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/vmap.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/vmap.h
index ae2f27be3f2903034a29b920494435003e91f142..8fa1294c27b7086e334085a6d437c758e0a6f1fc 100644 (file)
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/vmap.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/vmap.h
@@ -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;

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/vmap.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/vmap.c
index f2295e180e5e607dcc5e82d74c79c2ca9178b13a..32bd8b1d154f2b5dbf5e81b9f40f045912df979d 100644 (file)
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/vmap.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/vmap.c
@@ -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);