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| author |   Chris Wilson <chris@chris-wilson.co.uk> | 2017-02-09 14:40:36 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2017-02-09 17:09:27 +0000 |
| commit | 949e8ab3a94befd514eb79f2535f6017d8b4488f (patch) | |
| tree | 01d2777daa4dfc3ea41ea0c437e38e913c2fe90d /drivers/gpu/drm/i915/i915_gem_gtt.h | |
| parent | drm/i915: Enable atomic support by default on supported platforms. (diff) | |
| download | linux-dev-949e8ab3a94befd514eb79f2535f6017d8b4488f.tar.xz linux-dev-949e8ab3a94befd514eb79f2535f6017d8b4488f.zip | |
drm/i915: Use the size/type of address space to make decisions
Once the address space has been created (using 3 or 4 levels of page
tables), we should use that to program the appropriate type into the
contexts. This gives us the flexibility to handle different types of
address spaces at runtime.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170209144036.23664-1-chris@chris-wilson.co.uk
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
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, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.h b/drivers/gpu/drm/i915/i915_gem_gtt.h index 3c5ef5358cef..7e678ce5a9c7 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.h +++ b/drivers/gpu/drm/i915/i915_gem_gtt.h @@ -525,6 +525,12 @@ i915_vm_to_ggtt(struct i915_address_space *vm) return container_of(vm, struct i915_ggtt, base); } +static inline bool +i915_vm_is_48bit(const struct i915_address_space *vm) +{ + return (vm->total - 1) >> 32; +} + int i915_ggtt_probe_hw(struct drm_i915_private *dev_priv); int i915_ggtt_init_hw(struct drm_i915_private *dev_priv); int i915_ggtt_enable_hw(struct drm_i915_private *dev_priv); |