Re: [PATCH v4 37/61] drm/i915: Add missing ww lock in intel_dsb_prepare.

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On 10/16/20 12:44 PM, Maarten Lankhorst wrote:
Because of the long lifetime of the mapping, we cannot wrap this in a
simple limited ww lock. Just use the unlocked version of pin_map,
because we'll likely release the mapping a lot later, in a different
thread.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
---

Reviewed-by: Thomas Hellström <thomas.hellstrom@xxxxxxxxxxxxxxx>


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