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drm/i915/gtt: Allow >= 4GB offsets in X86_32

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Similar to commit c44ef60e43 ("drm/i915/gtt:
Allow >= 4GB sizes for vm"), i915_gem_obj_offset and i915_gem_obj_ggtt_offset
return an unsigned long, which in only 4-bytes long in 32-bit kernels.

Change return type (and other related offset variables) to u64.

Since Global GTT is always limited to 4GB, this change would not be required
in i915_gem_obj_ggtt_offset, but this is done for consistency.

v2: Remove unnecessary offset variable in do_pin, as we already have
    vma->node.start (Chris).
    Update GGTT offset too (Tvrtko).

Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Signed-off-by: Michel Thierry <michel.thierry@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Michel Thierry
2015-08-07 17:40:17 +01:00
committed by Daniel Vetter
parent aabc95dcf2
commit 088e0df402
6 changed files with 20 additions and 26 deletions
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drivers/gpu/drm/i915/i915_gem_gtt.h
+1 -1
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@@ -149,7 +149,7 @@ struct i915_ggtt_view {
union {
struct {
unsigned long offset;
u64 offset;
unsigned int size;
} partial;
} params;