diff options
| author | Chris Wilson | 2017-02-15 09:43:46 +0100 |
|---|---|---|
| committer | Chris Wilson | 2017-02-15 11:07:24 +0100 |
| commit | dd19674bacba227ae5d3ce680cbc5668198894dc (patch) | |
| tree | 25b2411a9fe45ca2cb40af1da6758eef2db15f00 /drivers/gpu/drm/i915/i915_gem_gtt.h | |
| parent | drm/i915: Tidy gen6_write_pde() (diff) | |
| download | kernel-qcow2-linux-dd19674bacba227ae5d3ce680cbc5668198894dc.tar.gz kernel-qcow2-linux-dd19674bacba227ae5d3ce680cbc5668198894dc.tar.xz kernel-qcow2-linux-dd19674bacba227ae5d3ce680cbc5668198894dc.zip | |
drm/i915: Remove bitmap tracking for used-ptes
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.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=99295
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Michał Winiarski <michal.winiarski@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170215084357.19977-12-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 | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.h b/drivers/gpu/drm/i915/i915_gem_gtt.h index 6162bedc0811..5ad5b59a01b1 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.h +++ b/drivers/gpu/drm/i915/i915_gem_gtt.h @@ -69,7 +69,7 @@ typedef uint64_t gen8_ppgtt_pml4e_t; #define GEN6_PTE_UNCACHED (1 << 1) #define GEN6_PTE_VALID (1 << 0) -#define I915_PTES(pte_len) (PAGE_SIZE / (pte_len)) +#define I915_PTES(pte_len) ((unsigned int)(PAGE_SIZE / (pte_len))) #define I915_PTE_MASK(pte_len) (I915_PTES(pte_len) - 1) #define I915_PDES 512 #define I915_PDE_MASK (I915_PDES - 1) @@ -220,8 +220,7 @@ struct i915_page_dma { struct i915_page_table { struct i915_page_dma base; - - unsigned long *used_ptes; + unsigned int used_ptes; }; struct i915_page_directory { |