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| author | Ben Skeggs <bskeggs@redhat.com> | 2012-03-07 04:18:49 (GMT) |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2012-03-13 07:15:02 (GMT) |
| commit | c11dd0da5277596d0ccdccb745b273d69a94f2d7 (patch) | |
| tree | 6d70b7ca4c4d0f896cc7a1c4c3271f8594b33175 /drivers/gpu/drm/nouveau | |
| parent | 4489b9835a0867617a9ec29cc978a9c2c9eca363 (diff) | |
| download | linux-fsl-qoriq-c11dd0da5277596d0ccdccb745b273d69a94f2d7.tar.xz | |
drm/nouveau/pm: fix oops if chipset has no pm support at all
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_pm.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_pm.c b/drivers/gpu/drm/nouveau/nouveau_pm.c index dcc1692..34d591b 100644 --- a/drivers/gpu/drm/nouveau/nouveau_pm.c +++ b/drivers/gpu/drm/nouveau/nouveau_pm.c @@ -284,9 +284,11 @@ nouveau_pm_perflvl_get(struct drm_device *dev, struct nouveau_pm_level *perflvl) memset(perflvl, 0, sizeof(*perflvl)); - ret = pm->clocks_get(dev, perflvl); - if (ret) - return ret; + if (pm->clocks_get) { + ret = pm->clocks_get(dev, perflvl); + if (ret) + return ret; + } if (pm->voltage.supported && pm->voltage_get) { ret = pm->voltage_get(dev); |