drm/i915/gvt: emulate right behavior for tlb_control

Emulate right behavior for tlb_control, set to ZERO upon write.

Signed-off-by: Ping Gao <ping.a.gao@intel.com>
Signed-off-by: Min He <min.he@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
This commit is contained in:
Ping Gao 2016-11-10 15:27:20 +08:00 committed by Zhenyu Wang
parent 90d27a1b18
commit 4f3f1aed4b

View File

@ -1372,6 +1372,7 @@ static int gvt_reg_tlb_control_handler(struct intel_vgpu *vgpu,
unsigned int id = 0;
write_vreg(vgpu, offset, p_data, bytes);
vgpu_vreg(vgpu, offset) = 0;
switch (offset) {
case 0x4260: