On 08/26/2015 10:26 AM, Daniel Vetter wrote:
On Sun, Aug 23, 2015 at 05:52:47PM +0530, Sagar Arun Kamble wrote:
On BXT, We Observe timeout for forcewake request completion with 2ms polling period as given here:
[drm:fw_domains_get] ERROR render: timed out waiting for forcewake ack request.
Polling for 50ms is recommended to avoid these timeouts.
Change-Id: Ie715b0069a3049606e9602bc5e97a6511890864d
Signed-off-by: Sagar Arun Kamble <sagar.a.kamble@xxxxxxxxx>
Probably needs cc: stable plus a pile of bugzilla links all over ...
If the required wait is typically that long, shouldn't we be worried
about busy polling?
Regards,
Tvrtko
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