This allows us to avoid the situation where worker is increasing the GPU frequency after we've switched to idle. v2: Do not access ->mm.busy under ->irq_lock References: https://bugs.freedesktop.org/show_bug.cgi?id=89728 Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> Cc: Imre Deak <imre.deak@xxxxxxxxx> Cc: Daniel Vetter <daniel@xxxxxxxx> Signed-off-by: Michał Winiarski <michal.winiarski@xxxxxxxxx> --- drivers/gpu/drm/i915/i915_irq.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index f0d9414..0344f4a 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -1096,6 +1096,9 @@ static void gen6_pm_rps_work(struct work_struct *work) return; } + if (!dev_priv->mm.busy) + return; + /* * The RPS work is synced during runtime suspend, we don't require a * wakeref. TODO: instead of disabling the asserts make sure that we -- 2.8.0 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
