Re: [Intel-gfx] [PATCH v3 3/3] drm/i915: Defer unmasking RPS interrupts until after making adjustments

2017-03-10 Thread Mika Kuoppala
Chris Wilson writes: > To make our adjustments to RPS requires taking a mutex and potentially > sleeping for an unknown duration - until we have completed our > adjustments further RPS interrupts are immaterial (they are based on > stale thresholds) and we can safely ignore them. > > Signed-off-b

[Intel-gfx] [PATCH v3 3/3] drm/i915: Defer unmasking RPS interrupts until after making adjustments

2017-03-09 Thread Chris Wilson
To make our adjustments to RPS requires taking a mutex and potentially sleeping for an unknown duration - until we have completed our adjustments further RPS interrupts are immaterial (they are based on stale thresholds) and we can safely ignore them. Signed-off-by: Chris Wilson Cc: Mika Kuoppala