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drm/i915: Track user GTT faulting per-vma

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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>
This commit is contained in:
Chris Wilson
2017-10-09 09:43:57 +01:00
parent 3bd4073524
commit a65adaf8a8
7 changed files with 88 additions and 23 deletions
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2
drivers/gpu/drm/i915/i915_debugfs.c
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@@ -98,7 +98,7 @@ static char get_tiling_flag(struct drm_i915_gem_object *obj)
static char get_global_flag(struct drm_i915_gem_object *obj)
{
return !list_empty(&obj->userfault_link) ? 'g' : ' ';
return obj->userfault_count ? 'g' : ' ';
}
static char get_pin_mapped_flag(struct drm_i915_gem_object *obj)