drm/i915: Don't allow overuse of __intel_wait_for_register_fw()

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This function should not be called with long timeouts in atomic context.
Annotate it as might_sleep if timeout is longer than 10us.

v2: fix comment (Michal)

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Suggested-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/20170410121747.209200-1-michal.wajdeczko@intel.com
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

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Michal Wajdeczko 2017-04-10 12:17:47 +00:00 • committed by Chris Wilson

parent 3fc7d86b32

commit 6976e74b5f

1 changed files with 5 additions and 0 deletions

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drivers/gpu/drm/i915/intel_uncore.c

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