drm/radeon: handle PCIe root ports with addressing limitations

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radeon uses a need_dma32 flag to indicate to the drm core that some
allocations need to be done using GFP_DMA32, but it only checks the
device addressing capabilities to make that decision.  Unfortunately
PCIe root ports that have limited addressing exist as well.  Use the
dma_addressing_limited instead to also take those into account.

Reviewed-by: Christian König <christian.koenig@amd.com>
Reported-by: Atish Patra <Atish.Patra@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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This commit is contained in:

Christoph Hellwig 2019-08-15 09:27:00 +02:00 • committed by Alex Deucher

parent b8cf3219cc

commit 33b3ad3788

3 changed files with 6 additions and 9 deletions

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1

drivers/gpu/drm/radeon/radeon.h

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12

drivers/gpu/drm/radeon/radeon_device.c

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2

drivers/gpu/drm/radeon/radeon_ttm.c

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