drm/i915: Split I915_RESET_IN_PROGRESS into two flags

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I915_RESET_IN_PROGRESS is being used for both signaling the requirement
to i915_mutex_lock_interruptible() to avoid taking the struct_mutex and
to instruct a waiter (already holding the struct_mutex) to perform the
reset. To allow for a little more coordination, split these two meaning
into a couple of distinct flags. I915_RESET_BACKOFF tells
i915_mutex_lock_interruptible() not to acquire the mutex and
I915_RESET_HANDOFF tells the waiter to call i915_reset().

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Michel Thierry <michel.thierry@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170316171305.12972-1-chris@chris-wilson.co.uk

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This commit is contained in:

Chris Wilson 2017-03-16 17:13:02 +00:00

parent 3fc03069bc

commit 8c185ecaf4

8 changed files with 71 additions and 59 deletions

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16

drivers/gpu/drm/i915/i915_debugfs.c

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7

drivers/gpu/drm/i915/i915_drv.c

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40

drivers/gpu/drm/i915/i915_drv.h

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5

drivers/gpu/drm/i915/i915_gem.c

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2

drivers/gpu/drm/i915/i915_gem_request.c

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38

drivers/gpu/drm/i915/i915_irq.c

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4

drivers/gpu/drm/i915/intel_display.c

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18

drivers/gpu/drm/i915/selftests/intel_hangcheck.c

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