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Zhenyu Wang
8bcad07a45
From commit73dec95e6b("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 commit73dec95e6b("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:e5c1ff1475("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>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.