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ca2c499527
Add reference counting for gk20a_busy() and gk20a_idle() so that the driver can keep track of whether the driver is active. Bug 1816516 Bug 1807277 Signed-off-by: Alex Waterman <alexw@nvidia.com> Reviewed-on: http://git-master/r/1250019 (cherry picked from commit 7f558019735bb34cf00dd1ec17df1797501cff60) Change-Id: I64c2ff1719673912ae127707e58ee557966c4d4d Reviewed-on: http://git-master/r/1261922 Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>