diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_hw.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_hw.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_hw.c b/drivers/gpu/drm/nouveau/nouveau_hw.c index e228aafc03e0..ebcf8a8190c2 100644 --- a/drivers/gpu/drm/nouveau/nouveau_hw.c +++ b/drivers/gpu/drm/nouveau/nouveau_hw.c @@ -431,7 +431,8 @@ nouveau_hw_get_pllvals(struct drm_device *dev, enum pll_types plltype, struct pll_lims pll_lim; int ret; - BUG_ON(reg1 == 0); + if (reg1 == 0) + return -ENOENT; pll1 = nvReadMC(dev, reg1); @@ -480,6 +481,7 @@ int nouveau_hw_get_clock(struct drm_device *dev, enum pll_types plltype) { struct nouveau_pll_vals pllvals; + int ret; if (plltype == PLL_MEMORY && (dev->pci_device & 0x0ff0) == CHIPSET_NFORCE) { @@ -499,7 +501,9 @@ nouveau_hw_get_clock(struct drm_device *dev, enum pll_types plltype) return clock; } - nouveau_hw_get_pllvals(dev, plltype, &pllvals); + ret = nouveau_hw_get_pllvals(dev, plltype, &pllvals); + if (ret) + return ret; return nouveau_hw_pllvals_to_clk(&pllvals); } |
