gpu: sysfs mode for allowing access to registers

Through this sysfs entry, the register space becomes accessible.
This is be accessible root-only.

Bug 1523403

Change-Id: Ia46f130a0cfd8324c5b675d19e7cbfba9dcb17ca
Signed-off-by: sujeet baranwal <sbaranwal@nvidia.com>
Reviewed-on: http://git-master/r/454198
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.h b/drivers/gpu/nvgpu/gk20a/gk20a.h
index a82ad254..3d93ccde 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.h
@@ -289,6 +289,7 @@ struct gk20a {
         bool aelpg_enabled;
         bool forced_idle;
         bool forced_reset;
+        bool allow_all;
 
 #ifdef CONFIG_DEBUG_FS
         spinlock_t debugfs_lock;