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drm/i915/gvt: add vreg write for GDRST handler

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The emulation handler for MMIO GDRST miss vreg write in it, as result
the vreg cannot update correspondingly.

Signed-off-by: Ping Gao <ping.a.gao@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
This commit is contained in:
Ping Gao 2016-10-26 09:38:50 +08:00 • committed by Zhenyu Wang
commit 40d2428b3a
1 changed files with 1 additions and 0 deletions
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1
drivers/gpu/drm/i915/gvt/handlers.c
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@ -258,6 +258,7 @@ static int gdrst_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
u32 data;
u64 bitmap = 0;
write_vreg(vgpu, offset, p_data, bytes);
data = vgpu_vreg(vgpu, offset);
if (data & GEN6_GRDOM_FULL) {