drm/i915/gvt: not to touch undefined MOCS registers

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Some engines are not available for all Gens. eg, Gen11 introduced
VCS3/VCS4/VECS2, and VCS2 is not supported on some Gen9 machines. So need to
add check before access them.

Signed-off-by: Xinyun Liu <xinyun.liu@intel.com>
Signed-off-by: Yakui Zhao <Yakui.Zhao@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>

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Xinyun Liu 2018-10-29 14:18:25 +08:00 • committed by Zhenyu Wang

parent 5e7154ff5e

commit def40774f6

1 changed files with 2 additions and 0 deletions

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drivers/gpu/drm/i915/gvt/mmio_context.c

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