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Currently single pushbuffer can take up to 80% of VRAM and 80% of GART.
As this value seems to be arbitrary (and user may need to set it differently)
this patch adds support for 2 environment variables:
NOUVEAU_LIBDRM_VRAM_LIMIT_PERCENT (default 80)
NOUVEAU_LIBDRM_GART_LIMIT_PERCENT (default 80)
which will let users override pushbuffer VRAM/GART limits.
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
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v2: Take Maarten Lankhorst's suggestion of nesting the struct to prevent
sizeof() issues due to padding on older revisions.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
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This adds prime support to nouveau libdrm.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Restore code lost in libdrm_nouveau rewrite.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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drmCommandWrite / drmCommandWriteRead already loop on EAGAIN.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Redesigned primarily to allow us to better take advantage of BO's having
fixed GPU virtual addresses on GeForce 8 and up, and to reduce the overhead
of handling relocations on earlier chipsets.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Christoph Bumiller <e0425955@student.tuwien.ac.at>
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