drm/i915: Capture batchbuffer state upon GPU hang

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The bbstate contains useful bits of debugging information such as
whether the batch is being read from GTT or PPGTT, or whether it is
allowed to execute privileged instructions.

v2: Only record BB_STATE for gen4+

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

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Chris Wilson 2013-10-30 09:28:22 +00:00 • committed by Daniel Vetter

parent f4adcd2477

commit 94e39e282e

3 changed files with 5 additions and 1 deletions

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1

drivers/gpu/drm/i915/i915_drv.h

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4

drivers/gpu/drm/i915/i915_gpu_error.c

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1

drivers/gpu/drm/i915/i915_reg.h

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