[Intel-gfx] [PATCH] drm/i915: Reject garbage in unsed ctx create/destroy fields

[shuang.he at intel.com]

Tested-By: PRC QA PRTS (Patch Regression Test System Contact: shuang.he at intel.com)
Task id: 5757
-------------------------------------Summary-------------------------------------
Platform          Delta          drm-intel-nightly          Series Applied
PNV                 -1              281/281              280/281
ILK                                  313/313              313/313
SNB                 -3              309/322              306/322
IVB                 -3              380/380              377/380
BYT                 -3              296/296              293/296
HSW                 -3              426/426              423/426
BDW                 -4              318/318              314/318
-------------------------------------Detailed-------------------------------------
Platform  Test                                drm-intel-nightly          Series Applied
*PNV  igt_gen3_render_mixed_blits      PASS(2, M23)      CRASH(1, M23)
*SNB  igt_gem_ctx_basic      PASS(2, M22)      NSPT(1, M22)
*SNB  igt_gem_ctx_create      PASS(2, M22)      NSPT(1, M22)
*SNB  igt_gem_ctx_exec_basic      PASS(2, M22)      FAIL(1, M22)
*IVB  igt_gem_ctx_basic      PASS(2, M21)      NSPT(1, M21)
*IVB  igt_gem_ctx_create      PASS(2, M21)      NSPT(1, M21)
*IVB  igt_gem_ctx_exec_basic      PASS(2, M21)      FAIL(1, M21)
*BYT  igt_gem_ctx_basic      PASS(2, M50)      NSPT(1, M50)
*BYT  igt_gem_ctx_create      PASS(2, M50)      NSPT(1, M50)
*BYT  igt_gem_ctx_exec_basic      PASS(2, M50)      FAIL(1, M50)
*HSW  igt_gem_ctx_basic      PASS(2, M20)      NSPT(1, M20)
*HSW  igt_gem_ctx_create      PASS(2, M20)      NSPT(1, M20)
*HSW  igt_gem_ctx_exec_basic      PASS(2, M20)      FAIL(1, M20)
*BDW  igt_gem_ctx_basic      PASS(2, M30)      NSPT(1, M30)
*BDW  igt_gem_ctx_create      PASS(2, M30)      NSPT(1, M30)
*BDW  igt_gem_ctx_exec_basic      PASS(2, M30)      FAIL(1, M30)
*BDW  igt_gem_gtt_hog      PASS(2, M30)      DMESG_WARN(1, M30)
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