drm/i915: Fix hangcheck to handle multiple rings
drm/i915: Fix hangcheck to handle multiple rings

Currently, we believe the GPU is idle if just the RENDER ring is idle.
This is obviously wrong if we only using either the BLT or the BSD
rings and so masking genuine hangs.

Signed-off-by: Chris Wilson <711c73f64afdce07b7e38039a96d2224209e9a6c@chris-wilson.co.uk>

TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs