drm/vmwgfx: Optimize memory footprint for DMA buffers.

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Use VRAM whenever there is free space for DMA buffers,
but use system GMR memory if using VRAM would cause an eviction.

This significantly reduces the guest system memory usage for
VMs with a large amount of VRAM allocated.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

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This commit is contained in:

Thomas Hellstrom 2010-01-16 16:05:05 +01:00 • committed by Dave Airlie

parent 0eaddb28d3

commit 8ba5152a3a

4 changed files with 30 additions and 1 deletions

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9

drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c

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1

drivers/gpu/drm/vmwgfx/vmwgfx_drv.h

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19

drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c

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2

drivers/gpu/drm/vmwgfx/vmwgfx_resource.c

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