Tested-By: PRC QA PRTS (Patch Regression Test System Contact:
shuang...@intel.com)
-Summary-
Platform: baseline_drm_intel_nightly_pass_rate->patch_applied_pass_rate
BYT: pass/total=270/271->270/271
PNV: pass/total=271/271->271
From: Ander Conselvan de Oliveira
Currently we program just DPSCNTR and DSPSTRIDE directly from the ring
interrupt handler, which is fine since the hardware guarantees that
those are update atomically. When we have atomic page flips we'll want
to be able to update also the offset registers, and t
