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path: root/drivers/gpu/drm/i915/gem/i915_gem_mman.c
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Diffstat (limited to 'drivers/gpu/drm/i915/gem/i915_gem_mman.c')
-rw-r--r--drivers/gpu/drm/i915/gem/i915_gem_mman.c19
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/i915_gem_mman.c
index 261c9bd83f51..05289edbafe3 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_mman.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_mman.c
@@ -245,11 +245,9 @@ vm_fault_t i915_gem_fault(struct vm_fault *vmf)
wakeref = intel_runtime_pm_get(rpm);
- srcu = intel_gt_reset_trylock(ggtt->vm.gt);
- if (srcu < 0) {
- ret = srcu;
+ ret = intel_gt_reset_trylock(ggtt->vm.gt, &srcu);
+ if (ret)
goto err_rpm;
- }
ret = i915_mutex_lock_interruptible(dev);
if (ret)
@@ -318,7 +316,11 @@ vm_fault_t i915_gem_fault(struct vm_fault *vmf)
intel_wakeref_auto(&i915->ggtt.userfault_wakeref,
msecs_to_jiffies_timeout(CONFIG_DRM_I915_USERFAULT_AUTOSUSPEND));
- i915_vma_set_ggtt_write(vma);
+ if (write) {
+ GEM_BUG_ON(!i915_gem_object_has_pinned_pages(obj));
+ i915_vma_set_ggtt_write(vma);
+ obj->mm.dirty = true;
+ }
err_fence:
i915_vma_unpin_fence(vma);
@@ -362,6 +364,7 @@ err:
return VM_FAULT_OOM;
case -ENOSPC:
case -EFAULT:
+ case -ENODEV: /* bad object, how did you get here! */
return VM_FAULT_SIGBUS;
default:
WARN_ONCE(ret, "unhandled error in %s: %i\n", __func__, ret);
@@ -473,10 +476,16 @@ i915_gem_mmap_gtt(struct drm_file *file,
if (!obj)
return -ENOENT;
+ if (i915_gem_object_never_bind_ggtt(obj)) {
+ ret = -ENODEV;
+ goto out;
+ }
+
ret = create_mmap_offset(obj);
if (ret == 0)
*offset = drm_vma_node_offset_addr(&obj->base.vma_node);
+out:
i915_gem_object_put(obj);
return ret;
}