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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2018-06-12 13:04:46 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2018-06-12 18:01:51 +0100 |
| commit | e9e7dc4144cd6d4ba873fd506fe38bccb9dbbd85 (patch) | |
| tree | fa0d0f9a81614e69ed5a43f53f879c3e012f8e1f /README | |
| parent | 3d6d62eae7d75a902f4eacdbb2d775c7c27f3987 (diff) | |
| download | linux-stable-e9e7dc4144cd6d4ba873fd506fe38bccb9dbbd85.tar.gz linux-stable-e9e7dc4144cd6d4ba873fd506fe38bccb9dbbd85.tar.bz2 linux-stable-e9e7dc4144cd6d4ba873fd506fe38bccb9dbbd85.zip | |
drm/i915/gtt: Make gen6 page directories evictable
Currently all page directories are bound at creation using an
unevictable node in the GGTT. This severely limits us as we cannot
remove any inactive ppgtt for new contexts, or under aperture pressure.
To fix this we need to make the page directory into a first class and
unbindable vma. Hence, the creation of a custom vma to wrap the page
directory as opposed to a GEM object.
In this patch, we leave the page directories pinned upon creation.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Matthew Auld <matthew.william.auld@gmail.com>
Reviewed-by: Matthew Auld <matthew.william.auld@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180612120446.13901-1-chris@chris-wilson.co.uk
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