summaryrefslogtreecommitdiff
path: root/drivers
diff options
context:
space:
mode:
authorKarol Herbst <nouveau@karolherbst.de>2016-04-16 21:01:59 +0300
committerBen Skeggs <bskeggs@redhat.com>2016-05-20 07:43:04 +0300
commitd07a97e939cd1e257d833758c43dd5b7ffd7ba44 (patch)
tree184ebe00f7e427d22c48f1e377d95c9903dbbcbb /drivers
parente976278ad231dbc44c00729df72cf9fe9a164412 (diff)
downloadlinux-d07a97e939cd1e257d833758c43dd5b7ffd7ba44.tar.xz
drm/nouveau/volt/gk104: round up in gk104_volt_set
We always want a equal or higher voltage than the requested ones, otherwise nouveau undervolts. Signed-off-by: Karol Herbst <nouveau@karolherbst.de> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/volt/gk104.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/volt/gk104.c b/drivers/gpu/drm/nouveau/nvkm/subdev/volt/gk104.c
index b735173a18ff..420bd84d8483 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/volt/gk104.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/volt/gk104.c
@@ -56,7 +56,7 @@ gk104_volt_set(struct nvkm_volt *base, u32 uv)
/* the blob uses this crystal frequency, let's use it too. */
div = 27648000 / bios->pwm_freq;
- duty = (uv - bios->base) * div / bios->pwm_range;
+ duty = DIV_ROUND_UP((uv - bios->base) * div, bios->pwm_range);
nvkm_wr32(device, 0x20340, div);
nvkm_wr32(device, 0x20344, 0x80000000 | duty);