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References:
Bug 15733 - Crash when accessing nonexistent GTT entries in i915
https://bugzilla.kernel.org/show_bug.cgi?id=15733
On G33 and above, the size of the GTT space is determined by the GMCH
control register. Prior to this revision, the size is determined by the
size of the aperture. So we must careful to map and fill the appropriate
range depending on chipset.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Not needed for the GTT and inconsistent: Sometimes the _new_ size
was stored there ...
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Eric Anholt <eric@anholt.net>
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We don't use the generic insert/remove_memory functions that
require this. So kill this useless code.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Eric Anholt <eric@anholt.net>
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intel-agp.c contains actually two different drivers: An agp driver
for _physical_ agp slots an the gtt driver that is used by the intel
drm modules. Split them to prevent any further confusion.
This patch just moves the code and includes intel-gtt.c in intel-agp.c
Later patches will untangle these two drivers further.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Eric Anholt <eric@anholt.net>
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