diff options
| author | Lucas De Marchi <lucas.demarchi@intel.com> | 2024-05-17 13:43:06 -0700 |
|---|---|---|
| committer | Lucas De Marchi <lucas.demarchi@intel.com> | 2024-05-21 06:33:40 -0700 |
| commit | f2f6b667c67daee6fe2c51b5cec3bb0f1b4c1ce0 (patch) | |
| tree | 8b413c86dbdc810f08ee90bfd476226f46e3c9e5 | |
| parent | 9b090d57746d965684f53a1aefcb363bab653ad3 (diff) | |
drm/xe: Add helper to capture engine timestamp
Just like CTX_TIMESTAMP is used to calculate runtime, add a helper to
get the timestamp for the engine so it can be used to calculate the
"engine time" with the same unit as the runtime is recorded.
Reviewed-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240517204310.88854-5-lucas.demarchi@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
| -rw-r--r-- | drivers/gpu/drm/xe/xe_hw_engine.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/xe/xe_hw_engine.h | 1 |
2 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_hw_engine.c b/drivers/gpu/drm/xe/xe_hw_engine.c index 942fca8f1eb9..de1aefaa2335 100644 --- a/drivers/gpu/drm/xe/xe_hw_engine.c +++ b/drivers/gpu/drm/xe/xe_hw_engine.c @@ -1121,3 +1121,8 @@ const char *xe_hw_engine_class_to_str(enum xe_engine_class class) return NULL; } + +u64 xe_hw_engine_read_timestamp(struct xe_hw_engine *hwe) +{ + return xe_mmio_read64_2x32(hwe->gt, RING_TIMESTAMP(hwe->mmio_base)); +} diff --git a/drivers/gpu/drm/xe/xe_hw_engine.h b/drivers/gpu/drm/xe/xe_hw_engine.h index 843de159e47c..7f2d27c0ba1a 100644 --- a/drivers/gpu/drm/xe/xe_hw_engine.h +++ b/drivers/gpu/drm/xe/xe_hw_engine.h @@ -68,5 +68,6 @@ static inline bool xe_hw_engine_is_valid(struct xe_hw_engine *hwe) } const char *xe_hw_engine_class_to_str(enum xe_engine_class class); +u64 xe_hw_engine_read_timestamp(struct xe_hw_engine *hwe); #endif |