[Intel-gfx] [PATCH 2/2] acpi/video: Propagate the error code for acpi_video_register

[shuang.he at intel.com]

Tested-By: PRC QA PRTS (Patch Regression Test System Contact: shuang.he at intel.com)
Task id: 5867
-------------------------------------Summary-------------------------------------
Platform          Delta          drm-intel-nightly          Series Applied
PNV                 -4              278/278              274/278
ILK                                  308/308              308/308
SNB                 -1              284/284              283/284
IVB                                  380/380              380/380
BYT                                  294/294              294/294
HSW                                  387/387              387/387
BDW                 -1              316/316              315/316
-------------------------------------Detailed-------------------------------------
Platform  Test                                drm-intel-nightly          Series Applied
*PNV  igt_gem_userptr_blits_minor-normal-sync      PASS(2)      DMESG_WARN(1)PASS(1)
*PNV  igt_gem_userptr_blits_minor-unsync-interruptible      PASS(4)      DMESG_WARN(2)
 PNV  igt_gen3_render_linear_blits      FAIL(3)PASS(6)      FAIL(2)
 PNV  igt_gen3_render_mixed_blits      FAIL(2)PASS(9)      FAIL(2)
*SNB  igt_gem_flink_bad-open      PASS(4)      DMESG_WARN(1)PASS(1)
*BDW  igt_gem_gtt_hog      PASS(12)      DMESG_WARN(1)PASS(1)
Note: You need to pay more attention to line start with '*'