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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2017-10-09 09:43:57 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2017-10-09 17:07:29 +0100 |
| commit | a65adaf8a834504a4acdc0deca7fa790771add8a (patch) | |
| tree | 00f5f373c9b4f975b605367891d89c07858938b8 /drivers/gpu/drm/i915/i915_gem_fence_reg.c | |
| parent | 3bd4073524fa1586435725ad45ff971a6c2b2537 (diff) | |
| download | op-kernel-dev-a65adaf8a834504a4acdc0deca7fa790771add8a.zip op-kernel-dev-a65adaf8a834504a4acdc0deca7fa790771add8a.tar.gz | |
drm/i915: Track user GTT faulting per-vma
We don't wish to refault the entire object (other vma) when unbinding
one partial vma. To do this track which vma have been faulted into the
user's address space.
v2: Use a local vma_offset to tidy up a multiline unmap_mapping_range().
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20171009084401.29090-3-chris@chris-wilson.co.uk
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_fence_reg.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_fence_reg.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_fence_reg.c b/drivers/gpu/drm/i915/i915_gem_fence_reg.c index af824b8..012250f 100644 --- a/drivers/gpu/drm/i915/i915_gem_fence_reg.c +++ b/drivers/gpu/drm/i915/i915_gem_fence_reg.c @@ -240,7 +240,8 @@ static int fence_update(struct drm_i915_fence_reg *fence, /* Ensure that all userspace CPU access is completed before * stealing the fence. */ - i915_gem_release_mmap(fence->vma->obj); + GEM_BUG_ON(fence->vma->fence != fence); + i915_vma_revoke_mmap(fence->vma); fence->vma->fence = NULL; fence->vma = NULL; @@ -451,7 +452,7 @@ void i915_gem_revoke_fences(struct drm_i915_private *dev_priv) GEM_BUG_ON(fence->vma && fence->vma->fence != fence); if (fence->vma) - i915_gem_release_mmap(fence->vma->obj); + i915_vma_revoke_mmap(fence->vma); } } @@ -479,7 +480,7 @@ void i915_gem_restore_fences(struct drm_i915_private *dev_priv) */ if (vma && !i915_gem_object_is_tiled(vma->obj)) { GEM_BUG_ON(!reg->dirty); - GEM_BUG_ON(!list_empty(&vma->obj->userfault_link)); + GEM_BUG_ON(i915_vma_has_userfault(vma)); list_move(®->link, &dev_priv->mm.fence_list); vma->fence = NULL; |
