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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 /drivers/gpu/drm/i915/i915_vma.h | |
| parent | drm/i915/guc: Add support for define guc_log_size in megabytes. (diff) | |
| download | linux-dev-e9e7dc4144cd6d4ba873fd506fe38bccb9dbbd85.tar.xz linux-dev-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
Diffstat (limited to '')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_vma.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_vma.h b/drivers/gpu/drm/i915/i915_vma.h index 4321476a6a32..66a228931517 100644 --- a/drivers/gpu/drm/i915/i915_vma.h +++ b/drivers/gpu/drm/i915/i915_vma.h @@ -54,6 +54,7 @@ struct i915_vma { struct reservation_object *resv; /** Alias of obj->resv */ struct sg_table *pages; void __iomem *iomap; + void *private; /* owned by creator */ u64 size; u64 display_alignment; struct i915_page_sizes page_sizes; @@ -340,6 +341,12 @@ static inline void i915_vma_unpin(struct i915_vma *vma) __i915_vma_unpin(vma); } +static inline bool i915_vma_is_bound(const struct i915_vma *vma, + unsigned int where) +{ + return vma->flags & where; +} + /** * i915_vma_pin_iomap - calls ioremap_wc to map the GGTT VMA via the aperture * @vma: VMA to iomap |