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drm/i915: Just check the vebox IIR regardless 

As we don't unmask and enable the vebox interrupts if the engine is not
being used, we will never generate the vebox interrupts as part of the
IIR and so can unconditionally check IIR without fear of chasing into
the vebox.

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/20190305150914.11340-1-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2019-03-05 15:09:13 +00:00
parent a2ac437bc0
commit f14c0d9fd8
1 changed files with 4 additions and 6 deletions
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10
drivers/gpu/drm/i915/i915_irq.c
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@ -1801,13 +1801,11 @@ static void gen6_rps_irq_handler(struct drm_i915_private *dev_priv, u32 pm_iir)
if (INTEL_GEN(dev_priv) >= 8)
return;
if (HAS_VEBOX(dev_priv)) {
if (pm_iir & PM_VEBOX_USER_INTERRUPT)
intel_engine_breadcrumbs_irq(dev_priv->engine[VECS]);
if (pm_iir & PM_VEBOX_USER_INTERRUPT)
intel_engine_breadcrumbs_irq(dev_priv->engine[VECS]);
if (pm_iir & PM_VEBOX_CS_ERROR_INTERRUPT)
DRM_DEBUG("Command parser error, pm_iir 0x%08x\n", pm_iir);
}
if (pm_iir & PM_VEBOX_CS_ERROR_INTERRUPT)
DRM_DEBUG("Command parser error, pm_iir 0x%08x\n", pm_iir);
}
static void gen9_guc_irq_handler(struct drm_i915_private *dev_priv, u32 gt_iir)