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drivers/modesetting: Save current BlockHandler on return in msBlockHandler

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If the BlockHandler chain is modified while it is active, we need to
re-fetch the current value and store it in our private for use the
next time through.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
This commit is contained in:
Keith Packard 2015-01-22 22:28:34 -08:00
parent b3e496c6d2
commit 3d12941b40
1 changed files with 1 additions and 0 deletions
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hw/xfree86/drivers/modesetting/driver.c
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@ -538,6 +538,7 @@ msBlockHandler(ScreenPtr pScreen, void *pTimeout, void *pReadmask)
pScreen->BlockHandler = ms->BlockHandler;
pScreen->BlockHandler(pScreen, pTimeout, pReadmask);
ms->BlockHandler = pScreen->BlockHandler;
pScreen->BlockHandler = msBlockHandler;
if (pScreen->isGPU)
dispatch_slave_dirty(pScreen);