diff options
| -rw-r--r-- | shared-core/i915_dma.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/shared-core/i915_dma.c b/shared-core/i915_dma.c index 59bf15ef..008adc0a 100644 --- a/shared-core/i915_dma.c +++ b/shared-core/i915_dma.c @@ -80,13 +80,41 @@ void i915_kernel_lost_context(drm_device_t * dev) int i915_dma_cleanup(drm_device_t * dev) { + drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; + /* Make sure interrupts are disabled here because the uninstall ioctl * may not have been called from userspace and after dev_private * is freed, it's too late. */ + I915_WRITE(LP_RING + RING_LEN, 0); + if (dev->irq) drm_irq_uninstall(dev); + if (dev->dev_private) { + drm_i915_private_t *dev_priv = + (drm_i915_private_t *) dev->dev_private; + + if (dev_priv->ring.virtual_start) { + drm_core_ioremapfree(&dev_priv->ring.map, dev); + } + + if (dev_priv->status_page_dmah) { + drm_pci_free(dev, dev_priv->status_page_dmah); + /* Need to rewrite hardware status page */ + I915_WRITE(I915REG_HWS_PGA, 0x1ffff000); + } + if (dev_priv->status_gfx_addr) { + dev_priv->status_gfx_addr = 0; + drm_core_ioremapfree(&dev_priv->hws_map, dev); + I915_WRITE(I915REG_HWS_PGA, 0x1ffff000); + } + drm_free(dev->dev_private, sizeof(drm_i915_private_t), + DRM_MEM_DRIVER); + + dev->dev_private = NULL; + } + return 0; } |