nv-tegra-mirror/linux-nvgpu
1
0
Fork 0
mirror of git://nv-tegra.nvidia.com/linux-nvgpu.git synced 2025-12-22 09:12:24 +03:00
Code Issues Packages Projects Releases Wiki Activity

gpu: nvgpu: unify nvgpu_has_syncpoints

Browse Source 
- move nvgpu_has_syncpoints to common code and only checks flag
NVGPU_HAS_SYNCPOINTS
- the debugfs node disable_syncpoints also enable/disable the flag
NVGPU_HAS_SYNCPOINTS

Jira GVSCI-10881

Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Change-Id: I8dc5dd17ad404238203a048abf49ff2b434fce11
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2542738
Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com>
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
This commit is contained in:
Richard Zhao
2021-06-10 11:14:23 -07:00
committed by mobile promotions
parent 68e11c8bd3
commit 2845f2b66e
6 changed files with 56 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

51
drivers/gpu/nvgpu/os/linux/debug.c
View File

@@ -384,6 +384,48 @@ static const struct file_operations dbg_tsg_timeslice_max_fops = {
.write = dbg_tsg_timeslice_max_write,
};
static ssize_t disable_syncpts_read(struct file *file,
char __user *user_buf, size_t count, loff_t *ppos)
{
char buf[3];
struct gk20a *g = file->private_data;
if (!nvgpu_is_enabled(g, NVGPU_HAS_SYNCPOINTS))
buf[0] = 'Y';
else
buf[0] = 'N';
buf[1] = '\n';
buf[2] = 0x00;
return simple_read_from_buffer(user_buf, count, ppos, buf, 2);
}
static ssize_t disable_syncpts_write(struct file *file,
const char __user *user_buf, size_t count, loff_t *ppos)
{
char buf[3];
int buf_size;
bool disable_syncpts;
struct gk20a *g = file->private_data;
buf_size = min(count, (sizeof(buf)-1));
if (copy_from_user(buf, user_buf, buf_size))
return -EFAULT;
if (!g->nvhost)
return -ENOSYS;
if (strtobool(buf, &disable_syncpts) == 0)
nvgpu_set_enabled(g, NVGPU_HAS_SYNCPOINTS, !disable_syncpts);
return count;
}
static const struct file_operations disable_syncpts_fops = {
.open = simple_open,
.read = disable_syncpts_read,
.write = disable_syncpts_write,
};
void gk20a_debug_init(struct gk20a *g, const char *debugfs_symlink)
{
struct nvgpu_os_linux *l = nvgpu_os_linux_from_gk20a(g);
@@ -408,8 +450,13 @@ void gk20a_debug_init(struct gk20a *g, const char *debugfs_symlink)
debugfs_create_u32("ch_wdt_init_limit_ms", S_IRUGO|S_IWUSR,
l->debugfs, &g->ch_wdt_init_limit_ms);
debugfs_create_bool("disable_syncpoints", S_IRUGO|S_IWUSR,
l->debugfs, &l->disable_syncpoints);
l->debugfs_disable_syncpts =
debugfs_create_file("disable_syncpoints",
S_IRUGO|S_IWUSR,
l->debugfs,
g,
&disable_syncpts_fops);
debugfs_create_bool("enable_platform_dbg", S_IRUGO|S_IWUSR,
l->debugfs, &l->enable_platform_dbg);