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Zhenyu Wang authored
From commit 73dec95e ("drm/i915: Emit to ringbuffer directly"), copy_gma_to_hva() now returns copied data length instead of 0, so need to change error return check for that. Note: Looks this is caused by backmerge conflict resolving, so 4.11-rc4 is not impacted as commit 73dec95e ("drm/i915: Emit to ringbuffer directly") is not in 4.11. But need to fix this before I can apply 4.12 stuff against drm-intel-next correctly. Fixes: e5c1ff14 ("Backmerge tag 'v4.11-rc4' into drm-next") Cc: Dave Airlie <airlied@redhat.com> Cc: Tina Zhang <tina.zhang@intel.com> Signed-off-by:
Zhenyu Wang <zhenyuw@linux.intel.com> Signed-off-by:
Dave Airlie <airlied@redhat.com>
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