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drm/i915: Add control flags to i915_handle_error()

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Not all callers want the GPU error to handled in the same way, so expose
a control parameter. In the first instance, some callers do not want the
heavyweight error capture so add a bit to request the state to be
captured and saved.

v2: Pass msg down to i915_reset/i915_reset_engine so that we include the
reason for the reset in the dev_notice(), superseding the earlier option
to not print that notice.
v3: Stash the reason inside the i915->gpu_error to handover to the direct
reset from the blocking waiter.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Jeff McGee <jeff.mcgee@intel.com>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Cc: Michel Thierry <michel.thierry@intel.com>
Reviewed-by: Michel Thierry <michel.thierry@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180320100449.1360-2-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson
2018-03-20 10:04:49 +00:00
parent ca98317b89
commit ce80075470
8 changed files with 62 additions and 55 deletions
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2
drivers/gpu/drm/i915/i915_request.c
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@@ -1229,7 +1229,7 @@ static bool __i915_wait_request_check_and_reset(struct i915_request *request)
return false;
__set_current_state(TASK_RUNNING);
i915_reset(request->i915, 0);
i915_reset(request->i915);
return true;
}