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drm/i915/gvt: Fix vGPU CSFE_CHICKEN1_REG mmio handler
authorColin Xu <Colin.Xu@intel.com>
Tue, 28 May 2019 03:27:18 +0000 (11:27 +0800)
committerZhenyu Wang <zhenyuw@linux.intel.com>
Thu, 30 May 2019 03:31:43 +0000 (11:31 +0800)
commitcb2808da74f07c0763edfa63f8e397f97c7a87a3
treef05f48dafe5ce58a3e13d0a6698dde565088d8a7
parent888c0094b2e2892b5916475d6f53356a7b53732b
drm/i915/gvt: Fix vGPU CSFE_CHICKEN1_REG mmio handler

Enter failsafe if vgpu tries to change CSFE_CHICKEN1_REG setting
which is controlled by host.

Reviewed-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Colin Xu <colin.xu@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
drivers/gpu/drm/i915/gvt/handlers.c