diff options
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r-- | drivers/gpu/drm/i915/i915_dma.c | 9 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/i915_drv.c | 10 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 5 |
3 files changed, 19 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 2d797ffe813..6949c2d58f1 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -1090,6 +1090,11 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) dev_priv->mm.gtt_mapping = io_mapping_create_wc(dev->agp->base, dev->agp->agp_info.aper_size * 1024*1024); + if (dev_priv->mm.gtt_mapping == NULL) { + ret = -EIO; + goto out_rmmap; + } + /* Set up a WC MTRR for non-PAT systems. This is more common than * one would think, because the kernel disables PAT on first * generation Core chips because WC PAT gets overridden by a UC @@ -1122,7 +1127,7 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) if (!I915_NEED_GFX_HWS(dev)) { ret = i915_init_phys_hws(dev); if (ret != 0) - goto out_rmmap; + goto out_iomapfree; } /* On the 945G/GM, the chipset reports the MSI capability on the @@ -1161,6 +1166,8 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) return 0; +out_iomapfree: + io_mapping_free(dev_priv->mm.gtt_mapping); out_rmmap: iounmap(dev_priv->regs); free_priv: diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 0692622ee2b..b293ef0bae7 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -68,9 +68,11 @@ static int i915_suspend(struct drm_device *dev, pm_message_t state) i915_save_state(dev); /* If KMS is active, we do the leavevt stuff here */ - if (drm_core_check_feature(dev, DRIVER_MODESET) && i915_gem_idle(dev)) { - dev_err(&dev->pdev->dev, "GEM idle failed, aborting suspend\n"); - return -EBUSY; + if (drm_core_check_feature(dev, DRIVER_MODESET)) { + if (i915_gem_idle(dev)) + dev_err(&dev->pdev->dev, + "GEM idle failed, resume may fail\n"); + drm_irq_uninstall(dev); } intel_opregion_free(dev); @@ -108,6 +110,8 @@ static int i915_resume(struct drm_device *dev) if (ret != 0) ret = -1; mutex_unlock(&dev->struct_mutex); + + drm_irq_install(dev); } return ret; diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 25b337438ca..e9882d0c247 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -211,7 +211,7 @@ fast_user_write(struct io_mapping *mapping, vaddr_atomic = io_mapping_map_atomic_wc(mapping, page_base); unwritten = __copy_from_user_inatomic_nocache(vaddr_atomic + page_offset, - user_data, length); + user_data, length, length); io_mapping_unmap_atomic(vaddr_atomic); if (unwritten) return -EFAULT; @@ -1051,6 +1051,9 @@ i915_gem_retire_requests(struct drm_device *dev) drm_i915_private_t *dev_priv = dev->dev_private; uint32_t seqno; + if (!dev_priv->hw_status_page) + return; + seqno = i915_get_gem_seqno(dev); while (!list_empty(&dev_priv->mm.request_list)) { |