[RFC][PATCH] amdkfd: Convert timestamping to use 64bit time accessors

From: John Stultz
Date: Thu Mar 12 2015 - 13:24:52 EST


Convert the timestamping in the amdkfd driver to use
a timespec64 and 64bit time accessors.

Cc: Arnd Bergmann <arnd@xxxxxxxx>
Cc: Oded Gabbay <oded.gabbay@xxxxxxx>
Cc: David Airlie <airlied@xxxxxxxx>
Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
Signed-off-by: John Stultz <john.stultz@xxxxxxxxxx>
---
drivers/gpu/drm/amd/amdkfd/kfd_chardev.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
index 5c50aa8..50fc8ba 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
@@ -435,7 +435,7 @@ static int kfd_ioctl_get_clock_counters(struct file *filep,
{
struct kfd_ioctl_get_clock_counters_args *args = data;
struct kfd_dev *dev;
- struct timespec time;
+ struct timespec64 time;

dev = kfd_device_by_id(args->gpu_id);
if (dev == NULL)
@@ -445,11 +445,11 @@ static int kfd_ioctl_get_clock_counters(struct file *filep,
args->gpu_clock_counter = kfd2kgd->get_gpu_clock_counter(dev->kgd);

/* No access to rdtsc. Using raw monotonic time */
- getrawmonotonic(&time);
- args->cpu_clock_counter = (uint64_t)timespec_to_ns(&time);
+ getrawmonotonic64(&time);
+ args->cpu_clock_counter = (uint64_t)timespec64_to_ns(&time);

- get_monotonic_boottime(&time);
- args->system_clock_counter = (uint64_t)timespec_to_ns(&time);
+ get_monotonic_boottime64(&time);
+ args->system_clock_counter = (uint64_t)timespec64_to_ns(&time);

/* Since the counter is in nano-seconds we use 1GHz frequency */
args->system_clock_freq = 1000000000;
--
1.9.1

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