[PATCH 2/2] amdgpu: kfd: use modern ktime accessors

Felix Kuehling felix.kuehling at amd.com
Wed Jun 20 21:04:51 UTC 2018


On 2018-06-18 11:35 AM, Arnd Bergmann wrote:
> getrawmonotonic64() and get_monotonic_boottime64() are deprecated
> because of the nonstandard naming.
>
> The replacement functions ktime_get_raw_ns() and ktime_get_boot_ns()
> also simplify the callers.
>
> Signed-off-by: Arnd Bergmann <arnd at arndb.de>

In case this hasn't been submitted yet, this patch is Reviewed-by: Felix
Kuehling <Felix.Kuehling at amd.com>.

> ---
>  drivers/gpu/drm/amd/amdkfd/kfd_chardev.c | 8 ++------
>  1 file changed, 2 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
> index f64c5551cdba..7e717716b90e 100644
> --- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
> +++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
> @@ -754,7 +754,6 @@ static int kfd_ioctl_get_clock_counters(struct file *filep,
>  {
>  	struct kfd_ioctl_get_clock_counters_args *args = data;
>  	struct kfd_dev *dev;
> -	struct timespec64 time;
>  
>  	dev = kfd_device_by_id(args->gpu_id);
>  	if (dev)
> @@ -766,11 +765,8 @@ static int kfd_ioctl_get_clock_counters(struct file *filep,
>  		args->gpu_clock_counter = 0;
>  
>  	/* No access to rdtsc. Using raw monotonic time */
> -	getrawmonotonic64(&time);
> -	args->cpu_clock_counter = (uint64_t)timespec64_to_ns(&time);
> -
> -	get_monotonic_boottime64(&time);
> -	args->system_clock_counter = (uint64_t)timespec64_to_ns(&time);
> +	args->cpu_clock_counter = ktime_get_raw_ns();
> +	args->system_clock_counter = ktime_get_boot_ns();
>  
>  	/* Since the counter is in nano-seconds we use 1GHz frequency */
>  	args->system_clock_freq = 1000000000;



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