drm/nouveau/kms: add support for new TTM fault callback V5

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This add the support for the new fault callback, does change anything
from driver point of view, thought it should allow nouveau to add
support for unmappable VRAM.

Improvement: store the aperture base in a variable so that we don't
call a function to get it on each fault.

Patch hasn't been tested on any hw.

V2 don't derefence bo->mem.mm_node as it's not NULL only for
   VRAM or GTT
V3 update after io_mem_reserve/io_mem_free callback balancing
V4 callback has to ioremap
V5 ioremap is done by ttm

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

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This commit is contained in:

Jerome Glisse 2010-04-09 14:39:25 +02:00 • committed by Dave Airlie

parent 0a2d50e3a8

commit f32f02fd81

1 changed files with 54 additions and 4 deletions

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drivers/gpu/drm/nouveau/nouveau_bo.c

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