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This produces a warn on for architectures where this gets called
but we don't have a cache flushing implementation suitable.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This merges the TTM and drm cache flushing into one file in the
drm core.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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doing an ipi for the wbinvd case isn't necessary.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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GEM allows the creation of persistent buffer objects accessible by the
graphics device through new ioctls for managing execution of commands on the
device. The userland API is almost entirely driver-specific to ensure that
any driver building on this model can easily map the interface to individual
driver requirements.
GEM is used by the 2d driver for managing its internal state allocations and
will be used for pixmap storage to reduce memory consumption and enable
zero-copy GLX_EXT_texture_from_pixmap, and in the 3d driver is used to enable
GL_EXT_framebuffer_object and GL_ARB_pixel_buffer_object.
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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