drm/i915: capture aux page table error register

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TGL introduced a feature in which we map the main surface to the
auxiliary surface. If we screw up the page tables, the HW has a
register to tell us which engine encounters a fault in the page table
walk.

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
[ickle: Be brave and apply to gen12]
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20191025121718.18806-1-lionel.g.landwerlin@intel.com

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Lionel Landwerlin 2019-10-25 15:17:18 +03:00 • committed by Chris Wilson

parent dd5279c714

commit ba1d18e386

3 changed files with 9 additions and 0 deletions

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6

drivers/gpu/drm/i915/i915_gpu_error.c

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1

drivers/gpu/drm/i915/i915_gpu_error.h

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2

drivers/gpu/drm/i915/i915_reg.h

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