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authorBen Skeggs <bskeggs@redhat.com>2017-10-31 20:56:19 +0300
committerBen Skeggs <bskeggs@redhat.com>2017-11-02 06:32:30 +0300
commitf9400afb1e11c33830bd99a0c9fafe3f4d07a7cc (patch)
treeed87a28425687111ecdbc16d02857ff1a11b16c0 /drivers/md
parente12cf6ad43888c152c3b2edb59525587cd98a227 (diff)
downloadlinux-f9400afb1e11c33830bd99a0c9fafe3f4d07a7cc.tar.xz
drm/nouveau/mmu/gp100,gp10b: implement new vmm backend
Adds support for: - 64KiB/2MiB big page sizes (128KiB not supported by HW with new PT layout). - System-memory PTs. - LPTE "invalid" state. - (Tegra) Use of video memory aperture. - Sparse PDEs/PTEs. - Additional blocklinear kinds. - 49-bit address-space. GP100 supports an entirely new 5-level page table layout that provides an expanded 49-bit address-space. It also supports the layout present on previous generations, which we've been making do with until now. This commit implements support for the new layout, and enables it by default. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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