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Date: Fri, 4 Dec 2020 18:43:38 -0700 From: Jerry Snitselaar <jsnitsel@...hat.com> To: linux-kernel@...r.kernel.org Cc: linux-integrity@...r.kernel.org, intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org, Thomas Gleixner <tglx@...utronix.de>, Jani Nikula <jani.nikula@...ux.intel.com>, Rodrigo Vivi <rodrigo.vivi@...el.com>, David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>, Jarkko Sakkinen <jarkko@...nel.org>, Jason Gunthorpe <jgg@...pe.ca>, Peter Huewe <peterhuewe@....de>, James Bottomley <James.Bottomley@...senPartnership.com>, Matthew Garrett <mjg59@...gle.com>, Hans de Goede <hdegoede@...hat.com> Subject: [PATCH v3 2/4] drm/i915/pmu: Use kstat_irqs to get interrupt count Now that kstat_irqs is exported, get rid of count_interrupts in i915_pmu.c Cc: Thomas Gleixner <tglx@...utronix.de> Cc: Jani Nikula <jani.nikula@...ux.intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@...el.com> Cc: David Airlie <airlied@...ux.ie> Cc: Daniel Vetter <daniel@...ll.ch> Cc: intel-gfx@...ts.freedesktop.org Cc: dri-devel@...ts.freedesktop.org Cc: Jarkko Sakkinen <jarkko@...nel.org> Cc: Jason Gunthorpe <jgg@...pe.ca> Cc: Peter Huewe <peterhuewe@....de> Cc: James Bottomley <James.Bottomley@...senPartnership.com> Cc: Matthew Garrett <mjg59@...gle.com> Cc: Hans de Goede <hdegoede@...hat.com> Signed-off-by: Jerry Snitselaar <jsnitsel@...hat.com> --- drivers/gpu/drm/i915/i915_pmu.c | 18 +----------------- 1 file changed, 1 insertion(+), 17 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c index 69c0fa20eba1..a3e63f03da8c 100644 --- a/drivers/gpu/drm/i915/i915_pmu.c +++ b/drivers/gpu/drm/i915/i915_pmu.c @@ -423,22 +423,6 @@ static enum hrtimer_restart i915_sample(struct hrtimer *hrtimer) return HRTIMER_RESTART; } -static u64 count_interrupts(struct drm_i915_private *i915) -{ - /* open-coded kstat_irqs() */ - struct irq_desc *desc = irq_to_desc(i915->drm.pdev->irq); - u64 sum = 0; - int cpu; - - if (!desc || !desc->kstat_irqs) - return 0; - - for_each_possible_cpu(cpu) - sum += *per_cpu_ptr(desc->kstat_irqs, cpu); - - return sum; -} - static void i915_pmu_event_destroy(struct perf_event *event) { struct drm_i915_private *i915 = @@ -581,7 +565,7 @@ static u64 __i915_pmu_event_read(struct perf_event *event) USEC_PER_SEC /* to MHz */); break; case I915_PMU_INTERRUPTS: - val = count_interrupts(i915); + val = kstat_irqs(i915->drm.pdev->irq); break; case I915_PMU_RC6_RESIDENCY: val = get_rc6(&i915->gt); -- 2.27.0
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