From: Karol Herbst Date: Sat, 16 Apr 2016 18:01:59 +0000 (+0200) Subject: drm/nouveau/volt/gk104: round up in gk104_volt_set X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=d07a97e939cd1e257d833758c43dd5b7ffd7ba44;p=linux-beck.git 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 Signed-off-by: Ben Skeggs --- 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);