David Herrmann ab5a60c3ee
drm/omap: use __GFP_DMA32 for shmem-backed gem ...
OMAP requires bo-pages to be in the DMA32 zone. Explicitly request this by
setting __GFP_DMA32 as mapping-gfp-mask during shmem initialization. This
drops HIGHMEM from the gfp-mask and uses DMA32 instead. shmem-core takes
care to relocate pages during swap-in in case they have been loaded into
the wrong zone.
It is _not_ possible to pass __GFP_DMA32 to shmem_read_mapping_page_gfp()
as the page might have already been swapped-in at that time. The zone-mask
must be set during initialization and be kept constant for now.
Remove the now superfluous TODO in omap_gem.c.
Reviewed-by: Rob Clark <robdclark@gmail.com >
Tested-by: Tomi Valkeinen <tomi.valkeinen@ti.com >
Signed-off-by: David Herrmann <dh.herrmann@gmail.com >
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ab5a60c3ee