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2014-01-07freedreno/kgsl: fix crash introduced w/ bo-cacheRob Clark
Signed-off-by: Rob Clark <robclark@freedesktop.org>
2013-12-13freedreno: add bo cacheRob Clark
Workloads which create many transient buffers cause significant CPU overhead in buffer allocation, zeroing, cache maint, and mmap setup. By caching and re-using existing buffers, the CPU overhead drops significantly. See: http://bloggingthemonkey.blogspot.com/2013/09/freedreno-update-moar-fps.html A simple time based policy is used for purging the cache. Once the kernel supports it, we could use madvise style API to handle memory pressure scenarios a bit better. Signed-off-by: Rob Clark <robclark@freedesktop.org>
2013-08-28freedreno: support either kgsl or msmRob Clark
Split out common code and backend. Current backend is for 'kgsl' android driver, but a new backend will provide support for the upstream msm drm/kms driver. Signed-off-by: Rob Clark <robclark@freedesktop.org>