drm/radeon: fix AGP userptr handling

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AGP mappings are not cache coherent, so userptr support
won't work. Additional to that the AGP implementation uses
a different ttm_tt container structure so we run into
problems if we cast the pointer without checking if it's
the right type.

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Christian König 2014-09-17 04:00:05 -06:00 • committed by Alex Deucher

parent 8337486a8f

commit 3840a656f6

1 changed files with 14 additions and 7 deletions

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drivers/gpu/drm/radeon/radeon_ttm.c

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