[Intel-gfx] [PATCH v2 2/2] drm/i915/chv: Extend set idle rps wa to chv

[shuang.he at intel.com]

Tested-By: Intel Graphics QA PRTS (Patch Regression Test System Contact: shuang.he at intel.com)
Task id: 6362
-------------------------------------Summary-------------------------------------
Platform          Delta          drm-intel-nightly          Series Applied
PNV                                  276/276              276/276
ILK                 -1              302/302              301/302
SNB                                  316/316              316/316
IVB                                  342/342              342/342
BYT                                  286/286              286/286
BDW                                  321/321              321/321
-------------------------------------Detailed-------------------------------------
Platform  Test                                drm-intel-nightly          Series Applied
*ILK  igt at drv_suspend@fence-restore-tiled2untiled      PASS(2)      DMESG_WARN(1)PASS(1)
(dmesg patch applied)drm:drm_edid_block_valid[drm]]*ERROR*EDID_checksum_is_invalid,remainder_is at EDID checksum is .* remainder is
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