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Commit 42dd8619 authored by Simon Farnsworth's avatar Simon Farnsworth Committed by Dave Airlie
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drm/via: Fix vblank IRQ on VIA hardware. 



via_enable_vblank wasn't setting the VBlank enable bit - instead, it
was masking out the rest of the register.

At the same time, fix via_disable_vblank to clear the VBlank enable
bit.

Signed-off-by: default avatarDave Airlie <airlied@linux.ie>
parent 845792d9
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