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author | Chris Wilson <chris@chris-wilson.co.uk> | 2016-06-10 11:52:59 +0300 |
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committer | Tvrtko Ursulin <tvrtko.ursulin@intel.com> | 2016-06-13 12:03:54 +0300 |
commit | d6473f566417a507b9ea5b0fc44ff26d930d0e5d (patch) | |
tree | 59ddad85437028331a4496c8df8957f50f11d2e7 /Kconfig | |
parent | 4e50f79622716b444b5b07d3d1b5870fe1794e24 (diff) | |
download | linux-d6473f566417a507b9ea5b0fc44ff26d930d0e5d.tar.xz |
drm/i915: Add support for mapping an object page by page
Introduced a new vm specfic callback insert_page() to program a single pte in
ggtt or ppgtt. This allows us to map a single page in to the mappable aperture
space. This can be iterated over to access the whole object by using space as
meagre as page size.
v2: Added low level rpm assertions to insert_page routines (Chris)
v3: Added POSTING_READ post register write (Tvrtko)
v4: Rebase (Ankit)
v5: Removed wmb() and FLUSH_CTL from insert_page, caller to take care
of it (Chris)
v6: insert_page not working correctly without FLSH_CNTL write, added the
write again.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Ankitprasad Sharma <ankitprasad.r.sharma@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Diffstat (limited to 'Kconfig')
0 files changed, 0 insertions, 0 deletions