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4376b9c965
Disable master interrupt before reading level indications. This will close a race where we get a level indication between reading and disabling, generating an extra interrupt where we could have avoided one. Further, as the reading acts also as a post, replace the write/post on the irq reset with the helper. On enabling side, posting doesn't serve any purpose so it can also be replaced with helper. Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20181015141440.21845-1-mika.kuoppala@linux.intel.com |
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