diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_dma.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_dma.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 4d56dfd25e0..27a1f78a7f1 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -84,7 +84,7 @@ static int i915_dma_cleanup(struct drm_device * dev) * may not have been called from userspace and after dev_private * is freed, it's too late. */ - if (dev->irq) + if (dev->irq_enabled) drm_irq_uninstall(dev); if (dev_priv->ring.virtual_start) { @@ -644,7 +644,7 @@ static int i915_getparam(struct drm_device *dev, void *data, switch (param->param) { case I915_PARAM_IRQ_ACTIVE: - value = dev->irq ? 1 : 0; + value = dev->irq_enabled; break; case I915_PARAM_ALLOW_BATCHBUFFER: value = dev_priv->allow_batchbuffer ? 1 : 0; @@ -763,6 +763,20 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) ret = drm_addmap(dev, base, size, _DRM_REGISTERS, _DRM_KERNEL | _DRM_DRIVER, &dev_priv->mmio_map); + + + /* On the 945G/GM, the chipset reports the MSI capability on the + * integrated graphics even though the support isn't actually there + * according to the published specs. It doesn't appear to function + * correctly in testing on 945G. + * This may be a side effect of MSI having been made available for PEG + * and the registers being closely associated. + */ + if (!IS_I945G(dev) && !IS_I945GM(dev)) + pci_enable_msi(dev->pdev); + + spin_lock_init(&dev_priv->user_irq_lock); + return ret; } @@ -770,6 +784,9 @@ int i915_driver_unload(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; + if (dev->pdev->msi_enabled) + pci_disable_msi(dev->pdev); + if (dev_priv->mmio_map) drm_rmmap(dev, dev_priv->mmio_map); |