From 4f3f1aed4b8040f2a7a55561762470f942be2740 Mon Sep 17 00:00:00 2001 From: Ping Gao Date: Thu, 10 Nov 2016 15:27:20 +0800 Subject: [PATCH] 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 Signed-off-by: Min He Signed-off-by: Zhenyu Wang --- drivers/gpu/drm/i915/gvt/handlers.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c index 1b3db0c7a6db..8d3389ee0506 100644 --- a/drivers/gpu/drm/i915/gvt/handlers.c +++ b/drivers/gpu/drm/i915/gvt/handlers.c @@ -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: -- 2.20.1