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drm/radeon/kms: add irq mitigation code for sw interrupt.

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We really don't need to process every irq that comes in, we only
really want to do SW irq processing when we are actually waiting for
a fence to pass. I'm not 100% sure this is race free esp on non-MSI systems
so it needs some testing.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2009-12-01 16:04:56 +10:00
commit 1614f8b17b
13 changed files with 35 additions and 12 deletions
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