diff --git a/drivers/gpu/drm/i915/gvt/execlist.c b/drivers/gpu/drm/i915/gvt/execlist.c
index 5c966edfeefb..c9fa0fb488d3 100644
--- a/drivers/gpu/drm/i915/gvt/execlist.c
+++ b/drivers/gpu/drm/i915/gvt/execlist.c
@@ -133,6 +133,8 @@ static void emulate_csb_update(struct intel_vgpu_execlist *execlist,
 	struct execlist_context_status_pointer_format ctx_status_ptr;
 	u32 write_pointer;
 	u32 ctx_status_ptr_reg, ctx_status_buf_reg, offset;
+	unsigned long hwsp_gpa;
+	struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
 
 	ctx_status_ptr_reg = execlist_ring_mmio(vgpu->gvt, ring_id,
 			_EL_OFFSET_STATUS_PTR);
@@ -158,6 +160,20 @@ static void emulate_csb_update(struct intel_vgpu_execlist *execlist,
 	ctx_status_ptr.write_ptr = write_pointer;
 	vgpu_vreg(vgpu, ctx_status_ptr_reg) = ctx_status_ptr.dw;
 
+	/* Update the CSB and CSB write pointer in HWSP */
+	hwsp_gpa = intel_vgpu_gma_to_gpa(vgpu->gtt.ggtt_mm,
+					 vgpu->hws_pga[ring_id]);
+	if (hwsp_gpa != INTEL_GVT_INVALID_ADDR) {
+		intel_gvt_hypervisor_write_gpa(vgpu,
+			hwsp_gpa + I915_HWS_CSB_BUF0_INDEX * 4 +
+			write_pointer * 8,
+			status, 8);
+		intel_gvt_hypervisor_write_gpa(vgpu,
+			hwsp_gpa +
+			intel_hws_csb_write_index(dev_priv) * 4,
+			&write_pointer, 4);
+	}
+
 	gvt_dbg_el("vgpu%d: w pointer %u reg %x csb l %x csb h %x\n",
 		vgpu->id, write_pointer, offset, status->ldw, status->udw);
 
diff --git a/drivers/gpu/drm/i915/gvt/gvt.h b/drivers/gpu/drm/i915/gvt/gvt.h
index f08d194f639f..27e8186cbc81 100644
--- a/drivers/gpu/drm/i915/gvt/gvt.h
+++ b/drivers/gpu/drm/i915/gvt/gvt.h
@@ -189,6 +189,7 @@ struct intel_vgpu {
 	struct intel_vgpu_opregion opregion;
 	struct intel_vgpu_display display;
 	struct intel_vgpu_submission submission;
+	u32 hws_pga[I915_NUM_ENGINES];
 
 	struct dentry *debugfs;
 
diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c
index bb16ef5c8510..56ee588377f4 100644
--- a/drivers/gpu/drm/i915/gvt/handlers.c
+++ b/drivers/gpu/drm/i915/gvt/handlers.c
@@ -1380,6 +1380,34 @@ static int mailbox_write(struct intel_vgpu *vgpu, unsigned int offset,
 	return intel_vgpu_default_mmio_write(vgpu, offset, &value, bytes);
 }
 
+static int hws_pga_write(struct intel_vgpu *vgpu, unsigned int offset,
+		void *p_data, unsigned int bytes)
+{
+	u32 value = *(u32 *)p_data;
+	int ring_id = intel_gvt_render_mmio_to_ring_id(vgpu->gvt, offset);
+
+	if (!intel_gvt_ggtt_validate_range(vgpu, value, I915_GTT_PAGE_SIZE)) {
+		gvt_vgpu_err("VM(%d) write invalid HWSP address, reg:0x%x, value:0x%x\n",
+			      vgpu->id, offset, value);
+		return -EINVAL;
+	}
+	/*
+	 * Need to emulate all the HWSP register write to ensure host can
+	 * update the VM CSB status correctly. Here listed registers can
+	 * support BDW, SKL or other platforms with same HWSP registers.
+	 */
+	if (unlikely(ring_id < 0 || ring_id > I915_NUM_ENGINES)) {
+		gvt_vgpu_err("VM(%d) access unknown hardware status page register:0x%x\n",
+			     vgpu->id, offset);
+		return -EINVAL;
+	}
+	vgpu->hws_pga[ring_id] = value;
+	gvt_dbg_mmio("VM(%d) write: 0x%x to HWSP: 0x%x\n",
+		     vgpu->id, value, offset);
+
+	return intel_vgpu_default_mmio_write(vgpu, offset, &value, bytes);
+}
+
 static int skl_power_well_ctl_write(struct intel_vgpu *vgpu,
 		unsigned int offset, void *p_data, unsigned int bytes)
 {
@@ -2535,7 +2563,7 @@ static int init_broadwell_mmio_info(struct intel_gvt *gvt)
 	MMIO_RING_F(RING_REG, 32, 0, 0, 0, D_BDW_PLUS, NULL, NULL);
 #undef RING_REG
 
-	MMIO_RING_GM_RDR(RING_HWS_PGA, D_BDW_PLUS, NULL, NULL);
+	MMIO_RING_GM_RDR(RING_HWS_PGA, D_BDW_PLUS, NULL, hws_pga_write);
 
 	MMIO_DFH(HDC_CHICKEN0, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
 
diff --git a/drivers/gpu/drm/i915/gvt/vgpu.c b/drivers/gpu/drm/i915/gvt/vgpu.c
index 99dbefadfe91..c6b82d1ba7de 100644
--- a/drivers/gpu/drm/i915/gvt/vgpu.c
+++ b/drivers/gpu/drm/i915/gvt/vgpu.c
@@ -43,7 +43,10 @@ void populate_pvinfo_page(struct intel_vgpu *vgpu)
 	vgpu_vreg(vgpu, vgtif_reg(version_minor)) = 0;
 	vgpu_vreg(vgpu, vgtif_reg(display_ready)) = 0;
 	vgpu_vreg(vgpu, vgtif_reg(vgt_id)) = vgpu->id;
+
 	vgpu_vreg(vgpu, vgtif_reg(vgt_caps)) = VGT_CAPS_FULL_48BIT_PPGTT;
+	vgpu_vreg(vgpu, vgtif_reg(vgt_caps)) |= VGT_CAPS_HWSP_EMULATION;
+
 	vgpu_vreg(vgpu, vgtif_reg(avail_rs.mappable_gmadr.base)) =
 		vgpu_aperture_gmadr_base(vgpu);
 	vgpu_vreg(vgpu, vgtif_reg(avail_rs.mappable_gmadr.size)) =