drm/i915: Increase maximum polling time to 50ms for forcewake request/clear ack
authorSagar Arun Kamble <sagar.a.kamble@intel.com>
Sun, 23 Aug 2015 12:22:47 +0000 (17:52 +0530)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Wed, 23 Sep 2015 08:04:06 +0000 (10:04 +0200)
commit83e3337204b2385d20e149c8fe91bb2719978df2
treeed97534e4165e09febcd61e5f6cf32530e7f2faf
parent23eafea6a9d1faac0588a5275d0c755cb261346e
drm/i915: Increase maximum polling time to 50ms for forcewake request/clear ack

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@intel.com>
Reviewed by: Alex Dai <yu.dai@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/intel_uncore.c