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drm/radeon: use system_wq instead of dev_priv->wq

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With cmwq, there's no reason for radeon to use a dedicated workqueue.
Drop dev_priv->wq and use system_wq instead.

Because radeon_driver_irq_uninstall_kms() may be called from
unsleepable context, the work items can't be flushed from there.
Instead, init and flush from radeon_irq_kms_init/fini().

While at it, simplify canceling/flushing of rdev->pm.dynpm_idle_work.
Always initialize and sync cancel instead of being unnecessarily smart
about it.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Alex Deucher <alexdeucher@gmail.com>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Tejun Heo
2011-01-03 14:49:32 +01:00
committed by Dave Airlie
parent af5dd83b87
commit 32c87fca2f
8 changed files with 23 additions and 44 deletions
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2
drivers/gpu/drm/radeon/r600.c
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@@ -3442,7 +3442,7 @@ restart_ih:
if (wptr != rdev->ih.wptr)
goto restart_ih;
if (queue_hotplug)
queue_work(rdev->wq, &rdev->hotplug_work);
schedule_work(&rdev->hotplug_work);
rdev->ih.rptr = rptr;
WREG32(IH_RB_RPTR, rdev->ih.rptr);
spin_unlock_irqrestore(&rdev->ih.lock, flags);