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

[Thomas Hellström]

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 at linux.intel.com>
> ---

Reviewed-by: Thomas Hellström <thomas.hellstrom at linux.intel.com>