This adds new IOCTL that provides information for the userspace for
GPU characterization. Specifically, the following items are provided:
GPU arch/impl/rev, number of GPCs, L2 cache size, on-board video
memory size, num of tpc:s per gpc, and bus type. The primary user of
the new IOCTL will be rmapi_tegra.
Bug 1392902
Change-Id: Ia7c25c83c8a07821ec60be3edd018c6e0894df0f
Reviewed-on: http://git-master/r/346379
(cherry picked from commit 0b9ceca5a06d07cc8d281a92b76ebef8d4da0c92)
Reviewed-on: http://git-master/r/350658
Reviewed-by: Sami Kiminki <skiminki@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
Signed-off-by: Sami Kiminki <skiminki@nvidia.com>
106dd9cd57