drm/i915/gvt: Give new born vGPU higher scheduling chance
This trys to give new born vGPU with higher scheduling chance not only with adding to sched list head and also have higher priority for workload sched for 2 seconds after starting to schedule it. In order for fast GPU execution during VM boot, and ensure guest driver setup with required state given in time. This fixes recent failure seen on one VM with multiple linux VMs running on kernel with commit 2621cefa("drm/i915: Provide a timeout to i915_gem_wait_for_idle() on setup"), which had shorter setup timeout that caused context state init failed. v2: change to 2s for higher scheduling period Cc: Yuan Hang <hang.yuan@intel.com> Reviewed-by: Hang Yuan <hang.yuan@intel.com> Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
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