diff options
| author | Alexandre Courbot <acourbot@nvidia.com> | 2014-07-26 13:41:39 +0400 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2014-08-09 23:12:46 +0400 |
| commit | 2cfd22f4730d5e759a313729b92a72bcc12c41cb (patch) | |
| tree | c99fea7d0b6f04b53f04fda5686874cfd68f0bd2 /drivers/gpu/drm | |
| parent | cbb4cf8bdffd943fa7cff724232b57b0e6891095 (diff) | |
| download | linux-2cfd22f4730d5e759a313729b92a72bcc12c41cb.tar.xz | |
drm/nouveau/clk: make therm and volt devices optional
Allow the clock subsystem to operate even if voltage and thermal devices
are not set for the device (for people with watercooling! ;))
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/clock/base.c | 36 |
1 files changed, 22 insertions, 14 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/clock/base.c b/drivers/gpu/drm/nouveau/core/subdev/clock/base.c index 3ad848bbbbb0..508639d0f088 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/clock/base.c +++ b/drivers/gpu/drm/nouveau/core/subdev/clock/base.c @@ -90,16 +90,20 @@ nouveau_cstate_prog(struct nouveau_clock *clk, cstate = &pstate->base; } - ret = nouveau_therm_cstate(ptherm, pstate->fanspeed, +1); - if (ret && ret != -ENODEV) { - nv_error(clk, "failed to raise fan speed: %d\n", ret); - return ret; + if (ptherm) { + ret = nouveau_therm_cstate(ptherm, pstate->fanspeed, +1); + if (ret && ret != -ENODEV) { + nv_error(clk, "failed to raise fan speed: %d\n", ret); + return ret; + } } - ret = volt->set_id(volt, cstate->voltage, +1); - if (ret && ret != -ENODEV) { - nv_error(clk, "failed to raise voltage: %d\n", ret); - return ret; + if (volt) { + ret = volt->set_id(volt, cstate->voltage, +1); + if (ret && ret != -ENODEV) { + nv_error(clk, "failed to raise voltage: %d\n", ret); + return ret; + } } ret = clk->calc(clk, cstate); @@ -108,13 +112,17 @@ nouveau_cstate_prog(struct nouveau_clock *clk, clk->tidy(clk); } - ret = volt->set_id(volt, cstate->voltage, -1); - if (ret && ret != -ENODEV) - nv_error(clk, "failed to lower voltage: %d\n", ret); + if (volt) { + ret = volt->set_id(volt, cstate->voltage, -1); + if (ret && ret != -ENODEV) + nv_error(clk, "failed to lower voltage: %d\n", ret); + } - ret = nouveau_therm_cstate(ptherm, pstate->fanspeed, -1); - if (ret && ret != -ENODEV) - nv_error(clk, "failed to lower fan speed: %d\n", ret); + if (ptherm) { + ret = nouveau_therm_cstate(ptherm, pstate->fanspeed, -1); + if (ret && ret != -ENODEV) + nv_error(clk, "failed to lower fan speed: %d\n", ret); + } return 0; } |