nv-tegra-mirror/linux-nvgpu
1
0
Fork 0
mirror of git://nv-tegra.nvidia.com/linux-nvgpu.git synced 2025-12-22 17:36:20 +03:00
Code Issues Packages Projects Releases Wiki Activity

gpu: nvgpu: add clk arbiter check

Browse Source 
Check for NVGPU_CLK_ARB_ENABLED flag before
initiating clk crbiter session which shouldn't
be initiated in absence of clk arbiter.

Bug 3236519

Signed-off-by: Ramesh Mylavarapu <rmylavarapu@nvidia.com>
Change-Id: I945203164063cec35fbab2256b3c7cb983e520ea
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2528551
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Ramesh Mylavarapu
2021-05-12 20:33:13 +05:30
committed by mobile promotions
parent d956938d3f
commit 7d0bd72fde
1 changed files with 3 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/nvgpu/os/linux/ioctl_ctrl.c
View File

@@ -152,7 +152,9 @@ int gk20a_ctrl_dev_open(struct inode *inode, struct file *filp)
gk20a_idle(g); gk20a_idle(g);
} }
if (nvgpu_is_enabled(g, NVGPU_CLK_ARB_ENABLED)) {
err = nvgpu_clk_arb_init_session(g, &priv->clk_session); err = nvgpu_clk_arb_init_session(g, &priv->clk_session);
}
free_ref: free_ref:
if (err != 0) { if (err != 0) {
nvgpu_put(g); nvgpu_put(g);