[Intel-gfx] [PATCH 2/4] drm/i915: Unconditionally clear the pm/guc GT IIR upon acking

[Chris Wilson]

Having stored the IIR for action, we should always clear it.

Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala at intel.com>
---
 drivers/gpu/drm/i915/i915_irq.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 90628a47ae17..e37e3ec22a79 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -1534,11 +1534,8 @@ static void gen8_gt_irq_ack(struct drm_i915_private *i915,
 
 	if (master_ctl & (GEN8_GT_PM_IRQ | GEN8_GT_GUC_IRQ)) {
 		gt_iir[2] = raw_reg_read(regs, GEN8_GT_IIR(2));
-		if (likely(gt_iir[2] & (i915->pm_rps_events |
-					i915->pm_guc_events)))
-			raw_reg_write(regs, GEN8_GT_IIR(2),
-				      gt_iir[2] & (i915->pm_rps_events |
-						   i915->pm_guc_events));
+		if (likely(gt_iir[2]))
+			raw_reg_write(regs, GEN8_GT_IIR(2), gt_iir[2]);
 	}
 
 	if (master_ctl & GEN8_GT_VECS_IRQ) {
-- 
2.18.0