drm/i915: Wire up cpu fifo underrun reporting support for bdw
HW engineers have listened and given us again a real interrupt with masking and status regs. Yay! For consistency with other platforms call the #define FIFO_UNDERRUN. Eventually we also might need to have some enable/disable functions for bdw display interrupts, but for now open-coding seems to be good enough. Reviewed-by:Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by:
Daniel Vetter <daniel.vetter@ffwll.ch>
parent
7167d7c6
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