Add support for hwpm broadcast registers (ltc and lts)
In gr_gk20a_find_priv_offset_in_buffer, replace "Unknown address type" error
with informational message: gr_gk20a_exec_ctx_ops calls
gk20a_get_ctx_buffer_offsets and if that fails,
calls gr_gk20a_get_pm_ctx_buffer_offsets; HWPM registers will fail the first
call, so an error or warning is overkill.
Bug 1648200
Change-Id: I197b82579e9894652add4ff254418f818981415a
Signed-off-by: Peter Daifuku <pdaifuku@nvidia.com>
Reviewed-on: http://git-master/r/1131365
(cherry picked from commit 9f30a92c5d87f6dadd34cc37396a6b10e3a72751)
Reviewed-on: http://git-master/r/1133628
(cherry picked from commit 7eb7cfd998852ba7f7c4c40d3db286f66e83ab3a)
Reviewed-on: http://git-master/r/1127749
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>