[Intel-gfx] [PATCH] Fix segv for clipped movie window
barry.scott at onelan.co.uk
Tue Jun 23 15:14:50 CEST 2009
When playing a movie that is clipped on its left and right edges the
Xorg server will SEGV
sometimes. This is because the intel driver ignores the clipping info
when it copies
the planes out of the XV data.
The check for the optimised copy was wrong to ignore the width required.
to too much data being copied by the memcpy. It the source buffer
happens to end
exactly on a page boundary the server will SEGV.
As we reviewed the code we checked the calculation of src1, src2 and
patch includes additional comments to make it clear what the elements of the
This bug exists in git head and we also see it in 2.4.1.
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