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(parent: cd839d0) | patch
drm/radeon: Fix u32 overflows when determining AGP base address in card space.
authorMichel Dänzer <michel@tungstengraphics.com>
Sun, 18 Feb 2007 07:03:21 +0000 (18:03 +1100)
committerDave Airlie <airlied@linux.ie>
Sun, 11 Mar 2007 01:07:17 +0000 (12:07 +1100)
commit80b2c386f3d8c3367533a8600b599f8686c9d386
tree348ad7e0937f79bf58821aa96afa46ed702bd8d7tree | snapshot
parentcd839d0048c3cb332cb0cd7d3de3431f8e1d3c7acommit | diff
drm/radeon: Fix u32 overflows when determining AGP base address in card space.

The overflows could lead to the AGP aperture overlapping the framebuffer are    in the card's address space when the latter is located at the very end of th    32 bit address space, which would result in a freeze on X server startup,
probably because the card read commands from the framebuffer instead of from    AGP.

See http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=392915 .

Signed-off-by: Dave Airlie <airlied@linux.ie>
drivers/char/drm/radeon_cp.c diff | blob | history
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