Nouveau - Apr 2017 - [PATCH] bios/volt: Parse min and max for Version 0x40

This is according to what we have in nvbios.

Fixes "ERROR: Can't get value of subfeature in0_min: Can't
read" errors
in sensors for some GPUs.

Signed-off-by: Karol Herbst <karolherbst at gmail.com>
---
 drm/nouveau/nvkm/subdev/bios/volt.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drm/nouveau/nvkm/subdev/bios/volt.c
b/drm/nouveau/nvkm/subdev/bios/volt.c
index a7797a9e..7143ea46 100644
--- a/drm/nouveau/nvkm/subdev/bios/volt.c
+++ b/drm/nouveau/nvkm/subdev/bios/volt.c
@@ -93,9 +93,9 @@ nvbios_volt_parse(struct nvkm_bios *bios, u8 *ver, u8 *hdr, u8
*cnt, u8 *len,
 		info->step    = nvbios_rd16(bios, volt + 0x08);
 		info->vidmask = nvbios_rd08(bios, volt + 0x0b);
 		info->ranged  = true; /* XXX: find the flag byte */
-		/*XXX*/
-		info->min     = 0;
-		info->max     = info->base;
+		info->min     = min(info->base,
+				    info->base + info->step * info->vidmask);
+		info->max     = nvbios_rd32(bios, volt + 0x0e);
 		break;
 	case 0x50:
 		info->min     = nvbios_rd32(bios, volt + 0x0a);
-- 
2.12.2