Re: [Intel-gfx] [PATCH v2 04/11] drm/i915/preempt: Default to disabled mid-command preemption levels

2017-09-28 Thread Joonas Lahtinen
On Wed, 2017-09-27 at 17:44 +0100, Chris Wilson wrote: > From: Michał Winiarski > > Supporting fine-granularity preemption levels may require changes in > userspace batch buffer programming. Therefore, we need to fallback to > safe default values, rather that use hardware defaults. Userspace is >

[Intel-gfx] [PATCH v2 04/11] drm/i915/preempt: Default to disabled mid-command preemption levels

2017-09-27 Thread Chris Wilson
From: Michał Winiarski Supporting fine-granularity preemption levels may require changes in userspace batch buffer programming. Therefore, we need to fallback to safe default values, rather that use hardware defaults. Userspace is still able to enable fine-granularity, since we're whitelisting th