drm/i915: Record the RING_MODE register for post-mortem debugging

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Just another useful register to inspect following a GPU hang.

v2: Remove partial decoding of RING_MODE to userspace, be consistent and
use GEN > 2 guards around RING_MODE everywhere.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1471254551-25805-32-git-send-email-chris@chris-wilson.co.uk

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This commit is contained in:

Chris Wilson 2016-08-15 10:49:11 +01:00

parent 57bc699d43

commit 21a2c58a9c

3 changed files with 8 additions and 3 deletions

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1

drivers/gpu/drm/i915/i915_drv.h

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3

drivers/gpu/drm/i915/i915_gpu_error.c

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7

drivers/gpu/drm/i915/intel_ringbuffer.c

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