commit | 2a073f89435771409a21930b78f182d8cb5c5941 | [log] [tgz] |
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author | Imre Deak <imre.deak@intel.com> | Fri Mar 27 13:07:33 2015 +0200 |
committer | Daniel Vetter <daniel.vetter@ffwll.ch> | Thu Apr 09 15:57:50 2015 +0200 |
tree | 4c270b70bd45586d7cf94a21441e3326757e26b0 | |
parent | 8232edb5f74af0f4664362fefab165e891a7fa68 [diff] |
drm/i915/bxt: map GTT as uncached On Broxton per specification the GTT has to be mapped as uncached. This was caught by the PTE write readback warning, which showed a corrupted PTE value with using the current write-combine mapping. v2: - add comment explaining how the problem with WC mapping manifests (Daniel) Signed-off-by: Imre Deak <imre.deak@intel.com> Reviewed-by: Antti Koskipää <antti.koskipaa@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>