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drm/i915: Show support for accurate sw PMU busyness tracking

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Expose whether or not we support the PMU software tracking in our
scheduler capabilities, so userspace can query at runtime.

v2: Use I915_SCHEDULER_CAP_ENGINE_BUSY_STATS for a less ambiguous
capability name.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190703143702.11339-1-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson
2019-07-03 15:37:02 +01:00
parent 0c159ffef6
commit bf73fc0fa9
3 changed files with 6 additions and 6 deletions
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1
include/uapi/drm/i915_drm.h
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@@ -521,6 +521,7 @@ typedef struct drm_i915_irq_wait {
#define I915_SCHEDULER_CAP_PRIORITY (1ul << 1)
#define I915_SCHEDULER_CAP_PREEMPTION (1ul << 2)
#define I915_SCHEDULER_CAP_SEMAPHORES (1ul << 3)
#define I915_SCHEDULER_CAP_ENGINE_BUSY_STATS (1ul << 4)
#define I915_PARAM_HUC_STATUS 42