tree 446e13738c1949e6a113a9288ec447213f59c3df
parent 7167d7c677ef066c56df276dc35b044c4840151a
author Daniel Vetter <daniel.vetter@ffwll.ch> 1383818746 +0100
committer Daniel Vetter <daniel.vetter@ffwll.ch> 1383930613 +0100

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>