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3 Commits

Author SHA1 Message Date
Thomas Wood
b2ac2642a9 tests: add more test descriptions 
Add more test descriptions based on exiting comments.

Signed-off-by: Thomas Wood <thomas.wood@intel.com>
 2014-12-04 16:07:55 +00:00
Chris Wilson
fbc6730238 igt/gem_tiled_wb: Remove extraneous mmap(wc) requirement 
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
 2014-11-04 12:13:37 +00:00
Chris Wilson
c45216b26d igt/gem_tiled_wb: Exercise CPU mmaps with swizzling 
This exercises the the extended get_tiling ioctl in order to determine
proper swizzling for direct access to objects through WB.
Userspace cannot handle bit17 swizzling through wc mmaps (because bit17
requires swizzling based on the actual physical address of the page -
which is unknown to userspace) and so we need an extended get_tiling
ioctl to report the actual as well as the logical swizzling on an
object.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
 2014-11-04 12:09:26 +00:00