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drm/i915/gt: document with_intel_gt_pm_if_awake()

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Add a kernel-doc markup to document this new macro.

Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/b974905bd0f6b5308b91561cc85eeecd94f1452a.1658924372.git.mchehab@kernel.org
This commit is contained in:
Mauro Carvalho Chehab 2022-07-27 14:29:52 +02:00 committed by Andi Shyti
parent 4bedceaed1
commit 4d87d36247
1 changed files with 8 additions and 0 deletions
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8
drivers/gpu/drm/i915/gt/intel_gt_pm.h
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@ -55,6 +55,14 @@ static inline void intel_gt_pm_might_put(struct intel_gt *gt)
for (tmp = 1, intel_gt_pm_get(gt); tmp; \
intel_gt_pm_put(gt), tmp = 0)
/**
* with_intel_gt_pm_if_awake - if GT is PM awake, get a reference to prevent
* it to sleep, run some code and then asynchrously put the reference
* away.
*
* @gt: pointer to the gt
* @wf: pointer to a temporary wakeref.
*/
#define with_intel_gt_pm_if_awake(gt, wf) \
for (wf = intel_gt_pm_get_if_awake(gt); wf; intel_gt_pm_put_async(gt), wf = 0)