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f7c5a179fe
In gm20b_tegra_postscale(), we use platform->railgate_lock to check if GPU is railgated or not But platform->railgate_lock was introduced only to prevent unrailgating in midst of gk20a_do_idle() sequence This lock is not the right way to check railgate status since it is still possible to railgate GPU with this lock being held Hence remove acquire/release of platform->railgate_lock from gm20b_tegra_postscale() Bug 1962265 Change-Id: I6208063de3fa77ed71e8fb0c011367fb66151193 Signed-off-by: Deepak Nibade <dnibade@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/1536573 (cherry picked from commit 68bce66be338e48f4921f645b10b3fa5994fe1d4) Reviewed-on: https://git-master.nvidia.com/r/1537297 Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com> GVS: Gerrit_Virtual_Submit Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>