drm/nouveau/fb/ram: add interface to allocate vram as an nvkm_memory object

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Upcoming MMU changes use nvkm_memory as its basic representation of memory,
so we need to be able to allocate VRAM like this.

The code is basically identical to the current chipset-specific allocators,
minus support for compression tags (which will be handled elsewhere anyway).

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

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This commit is contained in:

Ben Skeggs 2017-11-01 03:56:19 +10:00

parent c09597f083

commit e9a8b21804

2 changed files with 126 additions and 0 deletions

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4

drivers/gpu/drm/nouveau/include/nvkm/subdev/fb.h

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122

drivers/gpu/drm/nouveau/nvkm/subdev/fb/ram.c

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