gpu: nvgpu: disable_syncpoints debugfs changed to read only

Syncpoints can longer be disabled/enabled during run time as
NVGPU_HAS_SYNCPOINTS flag is set based on has_syncpoints
value in platform data during probe. Based on this, either
of syncpoint or semaphore pool is initialized.

Bug 2040115

Change-Id: Ib256e1a6ec8b1584799adb6f183fd567aebfaf13
Signed-off-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1640380
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/common/linux/debug.c b/drivers/gpu/nvgpu/common/linux/debug.c
index 169bfbc5..76018f8d 100644
--- a/drivers/gpu/nvgpu/common/linux/debug.c
+++ b/drivers/gpu/nvgpu/common/linux/debug.c
@@ -304,7 +304,7 @@ void gk20a_debug_init(struct gk20a *g, const char *debugfs_symlink)
         debugfs_create_u32("ch_wdt_timeout_ms", S_IRUGO|S_IWUSR,
                 l->debugfs, &g->ch_wdt_timeout_ms);
 
-        debugfs_create_u32("disable_syncpoints", S_IRUGO|S_IWUSR,
+        debugfs_create_u32("disable_syncpoints", S_IRUGO,
                 l->debugfs, &g->disable_syncpoints);
 
         /* Legacy debugging API. */