Module: Mesa Branch: main Commit: feae70f608236096b91b145b4967ebc917833773 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=feae70f608236096b91b145b4967ebc917833773
Author: Lionel Landwerlin <lionel.g.landwer...@intel.com> Date: Fri Sep 1 10:18:16 2023 +0300 intel/ds: use improved timestamp correlation if available Signed-off-by: Lionel Landwerlin <lionel.g.landwer...@intel.com> Reviewed-by: José Roberto de Souza <jose.so...@intel.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24591> --- src/intel/ds/intel_driver_ds.cc | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/src/intel/ds/intel_driver_ds.cc b/src/intel/ds/intel_driver_ds.cc index 8ee894bea89..1b2963b6a20 100644 --- a/src/intel/ds/intel_driver_ds.cc +++ b/src/intel/ds/intel_driver_ds.cc @@ -130,10 +130,17 @@ static void sync_timestamp(IntelRenderpassDataSource::TraceContext &ctx, struct intel_ds_device *device) { - uint64_t cpu_ts = perfetto::base::GetBootTimeNs().count(); - uint64_t gpu_ts; - intel_gem_read_render_timestamp(device->fd, device->info.kmd_type, - &gpu_ts); + uint64_t cpu_ts, gpu_ts; + + if (!intel_gem_read_correlate_cpu_gpu_timestamp(device->fd, + device->info.kmd_type, + INTEL_ENGINE_CLASS_RENDER, 0, + CLOCK_BOOTTIME, + &cpu_ts, &gpu_ts, NULL)) { + cpu_ts = perfetto::base::GetBootTimeNs().count(); + intel_gem_read_render_timestamp(device->fd, device->info.kmd_type, + &gpu_ts); + } gpu_ts = intel_device_info_timebase_scale(&device->info, gpu_ts); if (cpu_ts < device->next_clock_sync_ns)
