diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c index fe29125..0229c7ed 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c @@ -43,6 +43,13 @@ unsigned long long dm_get_timestamp(struct dc_context *ctx) return timespec64_to_ns(&time); } +unsigned long long dm_get_elapse_time_in_ns(struct dc_context *ctx, + unsigned long long current_time_stamp, + unsigned long long last_time_stamp) +{ + return current_time_stamp - last_time_stamp; +} + void dm_perf_trace_timestamp(const char *func_name, unsigned int line) { } |
