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drm/i915: use engine->irq_keep_mask when resetting irqs

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The "reset" value and the "keep" value are the same.
While we are here, add a TODO for gen11 interrupt reset

Suggested-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20180314182653.26981-3-daniele.ceraolospurio@intel.com
This commit is contained in:
Daniele Ceraolo Spurio 2018-03-14 11:26:52 -07:00 committed by Chris Wilson
parent 74419daaae
commit 210060edc2
1 changed files with 6 additions and 2 deletions
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8
drivers/gpu/drm/i915/intel_lrc.c
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@ -1666,6 +1666,10 @@ static void reset_irq(struct intel_engine_cs *engine)
struct drm_i915_private *dev_priv = engine->i915;
int i;
/* TODO: correctly reset irqs for gen11 */
if (WARN_ON_ONCE(INTEL_GEN(engine->i915) >= 11))
return;
GEM_BUG_ON(engine->id >= ARRAY_SIZE(gtiir));
/*
@ -1677,11 +1681,11 @@ static void reset_irq(struct intel_engine_cs *engine)
*/
for (i = 0; i < 2; i++) {
I915_WRITE(GEN8_GT_IIR(gtiir[engine->id]),
GT_CONTEXT_SWITCH_INTERRUPT << engine->irq_shift);
engine->irq_keep_mask);
POSTING_READ(GEN8_GT_IIR(gtiir[engine->id]));
}
GEM_BUG_ON(I915_READ(GEN8_GT_IIR(gtiir[engine->id])) &
(GT_CONTEXT_SWITCH_INTERRUPT << engine->irq_shift));
engine->irq_keep_mask);
clear_bit(ENGINE_IRQ_EXECLIST, &engine->irq_posted);
}