Skip to content

Commit

Permalink
---
Browse files Browse the repository at this point in the history
yaml
---
r: 282559
b: refs/heads/master
c: 9232969
h: refs/heads/master
i:
  282557: ff1ac43
  282555: 331f287
  282551: 348e4d3
  282543: ab8cd58
  282527: 6b50f67
  282495: d5d2e7a
v: v3
  • Loading branch information
Ben Skeggs committed Dec 21, 2011
1 parent 2f906ed commit 6f9c302
Show file tree
Hide file tree
Showing 4 changed files with 38 additions and 1 deletion.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 0c101461e267850925218d6a6872c379f2498b16
refs/heads/master: 9232969e19ae7251a93ab72e405cf71e5109ec05
2 changes: 2 additions & 0 deletions trunk/drivers/gpu/drm/nouveau/nouveau_pm.h
Original file line number Diff line number Diff line change
Expand Up @@ -56,6 +56,8 @@ void nv04_pm_clock_set(struct drm_device *, void *);
int nv40_pm_clocks_get(struct drm_device *, struct nouveau_pm_level *);
void *nv40_pm_clocks_pre(struct drm_device *, struct nouveau_pm_level *);
void nv40_pm_clocks_set(struct drm_device *, void *);
int nv40_pm_fanspeed_get(struct drm_device *);
int nv40_pm_fanspeed_set(struct drm_device *, int percent);

/* nv50_pm.c */
int nv50_pm_clock_get(struct drm_device *, u32 id);
Expand Down
9 changes: 9 additions & 0 deletions trunk/drivers/gpu/drm/nouveau/nouveau_state.c
Original file line number Diff line number Diff line change
Expand Up @@ -292,6 +292,15 @@ static int nouveau_init_engine_ptrs(struct drm_device *dev)
engine->pm.voltage_get = nouveau_voltage_gpio_get;
engine->pm.voltage_set = nouveau_voltage_gpio_set;
engine->pm.temp_get = nv40_temp_get;
switch (dev_priv->chipset) {
case 0x40:
case 0x49:
engine->pm.fanspeed_get = nv40_pm_fanspeed_get;
engine->pm.fanspeed_set = nv40_pm_fanspeed_set;
break;
default:
break;
}
engine->vram.init = nouveau_mem_detect;
engine->vram.takedown = nouveau_stub_takedown;
engine->vram.flags_valid = nouveau_mem_flags_valid;
Expand Down
26 changes: 26 additions & 0 deletions trunk/drivers/gpu/drm/nouveau/nv40_pm.c
Original file line number Diff line number Diff line change
Expand Up @@ -346,3 +346,29 @@ nv40_pm_clocks_set(struct drm_device *dev, void *pre_state)

kfree(info);
}

int
nv40_pm_fanspeed_get(struct drm_device *dev)
{
u32 reg = nv_rd32(dev, 0x0010f0);
if (reg & 0x80000000) {
u32 duty = (reg & 0x7fff0000) >> 16;
u32 divs = (reg & 0x00007fff);
if (divs && divs >= duty)
return ((divs - duty) * 100) / divs;
}

return 100;
}

int
nv40_pm_fanspeed_set(struct drm_device *dev, int percent)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_pm_engine *pm = &dev_priv->engine.pm;
u32 divs = pm->pwm_divisor;
u32 duty = ((100 - percent) * divs) / 100;

nv_wr32(dev, 0x0010f0, 0x80000000 | (duty << 16) | divs);
return 0;
}

0 comments on commit 6f9c302

Please sign in to comment.