diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2017-02-15 08:43:47 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2017-02-15 10:07:26 +0000 |
| commit | fe52e37fa85d8b1404bed1389dde16297dad706a (patch) | |
| tree | 5d149fcab2993272ed8bdb357173c36a53bbe311 /drivers/gpu/drm/i915/i915_gem_gtt.h | |
| parent | dd19674bacba227ae5d3ce680cbc5668198894dc (diff) | |
drm/i915: Remove bitmap tracking for used-pdes
We only operate on known extents (both for alloc/clear) and so we can use
both the knowledge of the bind/unbind range along with the knowledge of
the existing pagetable to avoid having to allocate temporary and
auxiliary bitmaps.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170215084357.19977-13-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_gtt.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_gtt.h | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.h b/drivers/gpu/drm/i915/i915_gem_gtt.h index 5ad5b59a01b1..a62b0ef1f3fc 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.h +++ b/drivers/gpu/drm/i915/i915_gem_gtt.h @@ -226,8 +226,8 @@ struct i915_page_table { struct i915_page_directory { struct i915_page_dma base; - unsigned long *used_pdes; struct i915_page_table *page_table[I915_PDES]; /* PDEs */ + unsigned int used_pdes; }; struct i915_page_directory_pointer { @@ -520,9 +520,7 @@ static inline size_t gen8_pte_count(uint64_t address, uint64_t length) static inline dma_addr_t i915_page_dir_dma_addr(const struct i915_hw_ppgtt *ppgtt, const unsigned n) { - return test_bit(n, ppgtt->pdp.used_pdpes) ? - px_dma(ppgtt->pdp.page_directory[n]) : - px_dma(ppgtt->base.scratch_pd); + return px_dma(ppgtt->pdp.page_directory[n]); } static inline struct i915_ggtt * |