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authorChris Wilson <chris@chris-wilson.co.uk>2019-07-03 17:37:02 +0300
committerChris Wilson <chris@chris-wilson.co.uk>2019-07-04 17:42:24 +0300
commitbf73fc0fa9cf78e37d6ee99e8d12bfa2083594d6 (patch)
tree03e206f337714ac94253aa6935183e7a659230b1 /drivers/gpu/drm/i915/i915_pmu.c
parent0c159ffef628fa94d0f4f9128e7f2b6f2b5e86ef (diff)
downloadlinux-bf73fc0fa9cf78e37d6ee99e8d12bfa2083594d6.tar.xz
drm/i915: Show support for accurate sw PMU busyness tracking
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
Diffstat (limited to 'drivers/gpu/drm/i915/i915_pmu.c')
-rw-r--r--drivers/gpu/drm/i915/i915_pmu.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c
index 8fe46ee920a0..eff86483bec0 100644
--- a/drivers/gpu/drm/i915/i915_pmu.c
+++ b/drivers/gpu/drm/i915/i915_pmu.c
@@ -102,10 +102,8 @@ static bool pmu_needs_timer(struct drm_i915_private *i915, bool gpu_active)
/*
* Also there is software busyness tracking available we do not
* need the timer for I915_SAMPLE_BUSY counter.
- *
- * Use RCS as proxy for all engines.
*/
- else if (intel_engine_supports_stats(i915->engine[RCS0]))
+ else if (i915->caps.scheduler & I915_SCHEDULER_CAP_ENGINE_BUSY_STATS)
enable &= ~BIT(I915_SAMPLE_BUSY);
/*