[Intel-gfx] [PATCH] drm/i915: rip out the PM_IIR WARN, again
Daniel Vetter
daniel.vetter at ffwll.ch
Fri May 31 09:12:19 CEST 2013
This has accidentally been reintroduced with
commit 22aae764a3fa21ee502b99e8986cb4e49ec14cfe
Author: Ben Widawsky <ben at bwidawsk.net>
Date: Tue May 28 19:22:24 2013 -0700
drm/i915: Create a more generic pm handler for hsw+
See
commit 58bf8062d0b293b8e1028e5b0342082002886bd4
Author: Daniel Vetter <daniel.vetter at ffwll.ch>
Date: Thu Jun 21 14:55:22 2012 +0200
drm/i915: rip out the PM_IIR WARN
for the extensive reasoning why the WARN is bogus.
Cc: Damien Lespiau <damien.lespiau at intel.com>
Cc: Ben Widawsky <ben at bwidawsk.net>
Cc: Chris Wilson <chris at chris-wilson.co.uk>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=65197
Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
---
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 da5c9ab..df85abc 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -934,11 +934,8 @@ static void hsw_pm_irq_handler(struct drm_i915_private *dev_priv,
spin_lock_irqsave(&dev_priv->rps.lock, flags);
dev_priv->rps.pm_iir |= pm_iir & GEN6_PM_DEFERRED_EVENTS;
- if (dev_priv->rps.pm_iir) {
- I915_WRITE(GEN6_PMIMR, dev_priv->rps.pm_iir);
- /* never want to mask useful interrupts. (also posting read) */
- WARN_ON(I915_READ_NOTRACE(GEN6_PMIMR) & ~GEN6_PM_DEFERRED_EVENTS);
- }
+ I915_WRITE(GEN6_PMIMR, dev_priv->rps.pm_iir);
+ POSTING_READ(GEN6_PMIMR);
spin_unlock_irqrestore(&dev_priv->rps.lock, flags);
queue_work(dev_priv->wq, &dev_priv->rps.work);
--
1.7.10.4
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