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7c46358642
The pipestat fields affect reporting of all vblank-related interrupts, so we have to reset them during the irq_handler, and while enabling vblank interrupts. Otherwise, if a pipe status field had been set to non-zero before enabling reporting, we would never see an interrupt again. This patch adds i915_enable_pipestat and i915_disable_pipestat to abstract out the steps needed to change the reported interrupts. Signed-off-by: Keith Packard <keithp@keithp.com> Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Dave Airlie <airlied@redhat.com> |
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