7ce4d1f273
On VLV/CHV VLV_IIR is not double double buffered, and it doesn't detect edges from PIPESTAT & co. like it does on gen4. Instead it just directly latches the level from PIPESTAT & co. That means we must clear VLV_IIR after PIPESTAT & co. or else we'll get a spurious bit in VLV_IIR every single time. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1460571598-24452-4-git-send-email-ville.syrjala@linux.intel.com Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> |
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