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path: root/drivers/gpu/drm
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Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/i915/i915_dma.c9
-rw-r--r--drivers/gpu/drm/i915/i915_drv.c10
-rw-r--r--drivers/gpu/drm/i915/i915_gem.c5
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)) {