On Fri, 2008-11-28 at 17:13 +0800, Li Peng wrote: > > iir = I915_READ(IIR); > > + if (iir == 0) > + return IRQ_NONE; > +
We can't do that -- iir may be zero while there are still pipe interrupts pending, due to the ordering between pipe stat writes and iir writes. However, it looks like we need to ensure that the pipe stat values are set before enabling interrupts. -- [EMAIL PROTECTED]
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