On 30/06/17 06:08 AM, Shaoyun Liu wrote: > 1. Use spin lock instead of mutex in KIQ > 2. Directly write to KIQ fence address instead of using fence_emit() > 3. Disable the interrupt for KIQ read/write and use CPU polling This list indicates that this patch should be split up in at least three patches. :) -- Earthling Michel Dänzer | http://www.amd.com Libre software enthusiast | Mesa and X developer