[Intel-gfx] [PATCH] drm/i915: Don't WARN on BDW when PCH is propperly identified.

[shuang.he at intel.com]

Tested-By: PRC QA PRTS (Patch Regression Test System Contact: shuang.he at intel.com)
Task id: 5607
-------------------------------------Summary-------------------------------------
Platform          Delta          drm-intel-nightly          Series Applied
PNV                                  353/353              353/353
ILK                                  353/353              353/353
SNB                                  400/422              400/422
IVB                                  487/487              487/487
BYT                                  296/296              296/296
HSW              +21                 487/508              508/508
BDW                                  401/402              401/402
-------------------------------------Detailed-------------------------------------
Platform  Test                                drm-intel-nightly          Series Applied
 HSW  igt_kms_cursor_crc_cursor-size-change      NSPT(1, M19)TIMEOUT(1, M40)PASS(8, M20M19M40)      PASS(1, M40)
 HSW  igt_kms_fence_pin_leak      NSPT(1, M19)DMESG_WARN(1, M40)PASS(8, M20M19M40)      PASS(1, M40)
 HSW  igt_kms_mmio_vs_cs_flip_setcrtc_vs_cs_flip      NSPT(1, M19)TIMEOUT(1, M40)PASS(8, M20M19M40)      PASS(1, M40)
 HSW  igt_kms_mmio_vs_cs_flip_setplane_vs_cs_flip      NSPT(1, M19)TIMEOUT(1, M40)PASS(8, M20M19M40)      PASS(1, M40)
 HSW  igt_pm_lpsp_non-edp      NSPT(1, M19)PASS(8, M20M19M40)      PASS(1, M40)
 HSW  igt_pm_rpm_cursor      NSPT(1, M19)PASS(8, M20M19M40)      PASS(1, M40)
 HSW  igt_pm_rpm_cursor-dpms      NSPT(1, M19)PASS(8, M20M19M40)      PASS(1, M40)
 HSW  igt_pm_rpm_dpms-mode-unset-non-lpsp      NSPT(1, M19)PASS(8, M20M19M40)      PASS(1, M40)
 HSW  igt_pm_rpm_dpms-non-lpsp      NSPT(1, M19)PASS(8, M20M19M40)      PASS(1, M40)
 HSW  igt_pm_rpm_drm-resources-equal      NSPT(1, M19)PASS(8, M20M19M40)      PASS(1, M40)
 HSW  igt_pm_rpm_fences      NSPT(1, M19)PASS(8, M20M19M40)      PASS(1, M40)
 HSW  igt_pm_rpm_fences-dpms      NSPT(1, M19)PASS(8, M20M19M40)      PASS(1, M40)
 HSW  igt_pm_rpm_gem-execbuf      NSPT(1, M19)PASS(8, M20M19M40)      PASS(1, M40)
 HSW  igt_pm_rpm_gem-mmap-cpu      NSPT(1, M19)PASS(8, M20M19M40)      PASS(1, M40)
 HSW  igt_pm_rpm_gem-mmap-gtt      NSPT(1, M19)PASS(8, M20M19M40)      PASS(1, M40)
 HSW  igt_pm_rpm_gem-pread      NSPT(1, M19)PASS(8, M20M19M40)      PASS(1, M40)
 HSW  igt_pm_rpm_i2c      NSPT(1, M19)PASS(8, M20M19M40)      PASS(1, M40)
 HSW  igt_pm_rpm_modeset-non-lpsp      NSPT(1, M19)PASS(8, M20M19M40)      PASS(1, M40)
 HSW  igt_pm_rpm_modeset-non-lpsp-stress-no-wait      NSPT(1, M19)PASS(8, M20M19M40)      PASS(1, M40)
 HSW  igt_pm_rpm_pci-d3-state      NSPT(1, M19)PASS(8, M20M19M40)      PASS(1, M40)
 HSW  igt_pm_rpm_rte      NSPT(1, M19)PASS(8, M20M19M40)      PASS(1, M40)
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