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drm/radeon/kms: check AA resolve registers on r300

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This is an important security fix because we allowed arbitrary values
to be passed to AARESOLVE_OFFSET. This also puts the right buffer address
in the register.

Signed-off-by: Marek Olšák <maraeo@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Marek Olšák
2011-02-14 01:01:10 +01:00
committed by Dave Airlie
parent 501834349e
commit fff1ce4dc6
8 changed files with 49 additions and 13 deletions
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3
drivers/gpu/drm/radeon/reg_srcs/rv515
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@@ -481,9 +481,6 @@ rv515 0x6d40
0x4E74 RB3D_CMASK_WRINDEX
0x4E78 RB3D_CMASK_DWORD
0x4E7C RB3D_CMASK_RDINDEX
0x4E80 RB3D_AARESOLVE_OFFSET
0x4E84 RB3D_AARESOLVE_PITCH
0x4E88 RB3D_AARESOLVE_CTL
0x4EA0 RB3D_DISCARD_SRC_PIXEL_LTE_THRESHOLD
0x4EA4 RB3D_DISCARD_SRC_PIXEL_GTE_THRESHOLD
0x4EF8 RB3D_CONSTANT_COLOR_AR