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drm/radeon: add VRAM debugfs access v3
authorChristian König <christian.koenig@amd.com>
Wed, 18 Dec 2013 20:07:39 +0000 (21:07 +0100)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 24 Dec 2013 21:12:47 +0000 (16:12 -0500)
Not very fast, but makes it possible to access even the
normally inaccessible parts of VRAM from userspace.

v2: use MM_INDEX_HI for >2GB mem access, add default_llseek
v3: set inode size in the open callback

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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