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(parent: 8624ecb) | patch
drm: radeon: fix up bus mastering when writeback is disabled
authorMichel Dänzer <michel@tungstengraphics.com>
Mon, 7 Aug 2006 10:37:46 +0000 (20:37 +1000)
committerDave Airlie <airlied@linux.ie>
Thu, 21 Sep 2006 19:32:30 +0000 (05:32 +1000)
commitae1b1a4816ac11075d338af79a239f4c326d675c
tree60faac04eb4cf6d08b01d41e33dddd0f8275aad0tree | snapshot
parent8624ecbf68e90e5a8124514a0b7f92767fb80a62commit | diff
drm: radeon: fix up bus mastering when writeback is disabled

When writeback isn't used, actually disable it in the hardware.

Not doing this might waste bus bandwidth or even cause memory corruption or
system crashes on systems that check bus transfers. No such incident has been
reported though.

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