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Signed-off-by: Thomas White <taw@bitwiz.org.uk>
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If the allocation of a new GEM object failed due to there being no available VRAM, then
glamo_gem_object_alloc() would bail out, calling drm_gem_object_unreference() in the
process. glamodrm_gem_free_object() would then proceed to try to give back the memory
which was unsuccessfully allocated. This obviously doesn't work, and resulted in an oops.
To fix it, check that the VRAM block handle is non-NULL before freeing it.
Signed-off-by: Thomas White <taw@bitwiz.org.uk>
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Muppetry...
Signed-off-by: Thomas White <taw@bitwiz.org.uk>
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Signed-off-by: Thomas White <taw@bitwiz.org.uk>
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Signed-off-by: Thomas White <taw@bitwiz.org.uk>
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Signed-off-by: Thomas White <taw@bitwiz.org.uk>
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Signed-off-by: Thomas White <taw@bitwiz.org.uk>
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Signed-off-by: Thomas White <taw@bitwiz.org.uk>
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Signed-off-by: Thomas White <taw@bitwiz.org.uk>
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Signed-off-by: Thomas White <taw@bitwiz.org.uk>
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Update the copyright notice to include proper BSD credit for the memory mapping
in glamo-buffer.c.
Also removes some superfluous debug messages.
Signed-off-by: Thomas White <taw@bitwiz.org.uk>
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Signed-off-by: Thomas White <taw@bitwiz.org.uk>
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Signed-off-by: Thomas White <taw@bitwiz.org.uk>
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Signed-off-by: Thomas White <taw@bitwiz.org.uk>
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This implements the ioctl used for mapping GEM objects into memory.
This needs a unit test in glamo-dri-tests, but for the time being appears to
make X.org less segfaulty.
Signed-off-by: Thomas White <taw@bitwiz.org.uk>
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This fixes things which were broken after the previous commit.
VRAM allocation now appears to work.
Signed-off-by: Thomas White <taw@bitwiz.org.uk>
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This implements the GEM 'create' ioctl.
Signed-off-by: Thomas White <taw@bitwiz.org.uk>
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This just creates a new file for the memory management stuff.
Signed-off-by: Thomas White <taw@bitwiz.org.uk>
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