diff --git a/drivers/gpu/drm/i915/gvt/mmio_context.c b/drivers/gpu/drm/i915/gvt/mmio_context.c
index 76630fbe51b6..1d24095b345a 100644
--- a/drivers/gpu/drm/i915/gvt/mmio_context.c
+++ b/drivers/gpu/drm/i915/gvt/mmio_context.c
@@ -199,14 +199,14 @@ restore_context_mmio_for_inhibit(struct intel_vgpu *vgpu,
 	if (IS_ERR(cs))
 		return PTR_ERR(cs);
 
-	*cs++ = MI_LOAD_REGISTER_IMM(count);
+	*cs++ = i915_get_lri_cmd(req->engine, count);
 	for (mmio = gvt->engine_mmio_list.mmio;
 	     i915_mmio_reg_valid(mmio->reg); mmio++) {
 		if (mmio->ring_id != ring_id ||
 		    !mmio->in_context)
 			continue;
 
-		*cs++ = i915_mmio_reg_offset(mmio->reg);
+		*cs++ = i915_get_lri_reg(req->engine, mmio->reg);
 		*cs++ = vgpu_vreg_t(vgpu, mmio->reg) |
 				(mmio->mask << 16);
 		gvt_dbg_core("add lri reg pair 0x%x:0x%x in inhibit ctx, vgpu:%d, rind_id:%d\n",
@@ -234,7 +234,11 @@ restore_render_mocs_control_for_inhibit(struct intel_vgpu *vgpu,
 	if (IS_ERR(cs))
 		return PTR_ERR(cs);
 
-	*cs++ = MI_LOAD_REGISTER_IMM(GEN9_MOCS_SIZE);
+	/*
+	 * GEN9_GFX_MOCS is not engine relative, therefore there is no
+	 * need for relative addressing.
+	 */
+	*cs++ = __MI_LOAD_REGISTER_IMM(GEN9_MOCS_SIZE);
 
 	for (index = 0; index < GEN9_MOCS_SIZE; index++) {
 		*cs++ = i915_mmio_reg_offset(GEN9_GFX_MOCS(index));
@@ -261,7 +265,11 @@ restore_render_mocs_l3cc_for_inhibit(struct intel_vgpu *vgpu,
 	if (IS_ERR(cs))
 		return PTR_ERR(cs);
 
-	*cs++ = MI_LOAD_REGISTER_IMM(GEN9_MOCS_SIZE / 2);
+	/*
+	 * GEN9_LNCFCMOCS is not engine relative, therefore there is no
+	 * need for relative addressing.
+	 */
+	*cs++ = __MI_LOAD_REGISTER_IMM(GEN9_MOCS_SIZE / 2);
 
 	for (index = 0; index < GEN9_MOCS_SIZE / 2; index++) {
 		*cs++ = i915_mmio_reg_offset(GEN9_LNCFCMOCS(index));
diff --git a/drivers/gpu/drm/i915/i915_cmd_parser.c b/drivers/gpu/drm/i915/i915_cmd_parser.c
index 503d548a55f7..91ebe18aacc6 100644
--- a/drivers/gpu/drm/i915/i915_cmd_parser.c
+++ b/drivers/gpu/drm/i915/i915_cmd_parser.c
@@ -220,7 +220,7 @@ static const struct drm_i915_cmd_descriptor common_cmds[] = {
 	CMD(  MI_SUSPEND_FLUSH,                 SMI,    F,  1,      S  ),
 	CMD(  MI_SEMAPHORE_MBOX,                SMI,   !F,  0xFF,   R  ),
 	CMD(  MI_STORE_DWORD_INDEX,             SMI,   !F,  0xFF,   R  ),
-	CMD(  MI_LOAD_REGISTER_IMM(1),          SMI,   !F,  0xFF,   W,
+	CMD(  __MI_LOAD_REGISTER_IMM(1),        SMI,   !F,  0xFF,   W,
 	      .reg = { .offset = 1, .mask = 0x007FFFFC, .step = 2 }    ),
 	CMD(  MI_STORE_REGISTER_MEM,            SMI,    F,  3,     W | B,
 	      .reg = { .offset = 1, .mask = 0x007FFFFC },
@@ -1182,7 +1182,7 @@ static bool check_cmd(const struct intel_engine_cs *engine,
 					return false;
 				}
 
-				if (desc->cmd.value == MI_LOAD_REGISTER_IMM(1) &&
+				if (desc->cmd.value == __MI_LOAD_REGISTER_IMM(1) &&
 				    (offset + 2 > length ||
 				     (cmd[offset + 1] & reg->mask) != reg->value)) {
 					DRM_DEBUG_DRIVER("CMD: Rejected LRI to masked register 0x%08X\n",
diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c
index 662da485e15f..8bba3640059a 100644
--- a/drivers/gpu/drm/i915/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/i915_gem_context.c
@@ -1038,11 +1038,11 @@ static int emit_ppgtt_update(struct i915_request *rq, void *data)
 		if (IS_ERR(cs))
 			return PTR_ERR(cs);
 
-		*cs++ = MI_LOAD_REGISTER_IMM(2);
+		*cs++ = i915_get_lri_cmd(engine, 2);
 
-		*cs++ = i915_mmio_reg_offset(GEN8_RING_PDP_UDW(engine, 0));
+		*cs++ = i915_get_lri_reg(engine, GEN8_RING_PDP_UDW(engine, 0));
 		*cs++ = upper_32_bits(pd_daddr);
-		*cs++ = i915_mmio_reg_offset(GEN8_RING_PDP_LDW(engine, 0));
+		*cs++ = i915_get_lri_reg(engine, GEN8_RING_PDP_LDW(engine, 0));
 		*cs++ = lower_32_bits(pd_daddr);
 
 		*cs++ = MI_NOOP;
@@ -1052,13 +1052,13 @@ static int emit_ppgtt_update(struct i915_request *rq, void *data)
 		if (IS_ERR(cs))
 			return PTR_ERR(cs);
 
-		*cs++ = MI_LOAD_REGISTER_IMM(2 * GEN8_3LVL_PDPES);
+		*cs++ = i915_get_lri_cmd(engine, 2 * GEN8_3LVL_PDPES);
 		for (i = GEN8_3LVL_PDPES; i--; ) {
 			const dma_addr_t pd_daddr = i915_page_dir_dma_addr(ppgtt, i);
 
-			*cs++ = i915_mmio_reg_offset(GEN8_RING_PDP_UDW(engine, i));
+			*cs++ = i915_get_lri_reg(engine, GEN8_RING_PDP_UDW(engine, i));
 			*cs++ = upper_32_bits(pd_daddr);
-			*cs++ = i915_mmio_reg_offset(GEN8_RING_PDP_LDW(engine, i));
+			*cs++ = i915_get_lri_reg(engine, GEN8_RING_PDP_LDW(engine, i));
 			*cs++ = lower_32_bits(pd_daddr);
 		}
 		*cs++ = MI_NOOP;
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index 3d672c9edb94..bd602b6261ed 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -1965,9 +1965,9 @@ static int i915_reset_gen7_sol_offsets(struct i915_request *rq)
 	if (IS_ERR(cs))
 		return PTR_ERR(cs);
 
-	*cs++ = MI_LOAD_REGISTER_IMM(4);
+	*cs++ = i915_get_lri_cmd(rq->engine, 4);
 	for (i = 0; i < 4; i++) {
-		*cs++ = i915_mmio_reg_offset(GEN7_SO_WRITE_OFFSET(i));
+		*cs++ = i915_get_lri_reg(rq->engine, GEN7_SO_WRITE_OFFSET(i));
 		*cs++ = 0;
 	}
 	*cs++ = MI_NOOP;
diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c
index 39a4804091d7..10d5ab991908 100644
--- a/drivers/gpu/drm/i915/i915_perf.c
+++ b/drivers/gpu/drm/i915/i915_perf.c
@@ -1628,7 +1628,8 @@ static void hsw_disable_metric_set(struct drm_i915_private *dev_priv)
  * in the case that the OA unit has been disabled.
  */
 static void
-gen8_update_reg_state_unlocked(struct intel_context *ce,
+gen8_update_reg_state_unlocked(struct intel_engine_cs *engine,
+			       struct intel_context *ce,
 			       u32 *reg_state,
 			       const struct i915_oa_config *oa_config)
 {
@@ -1647,7 +1648,12 @@ gen8_update_reg_state_unlocked(struct intel_context *ce,
 	};
 	int i;
 
-	CTX_REG(reg_state, ctx_oactxctrl, GEN8_OACTXCONTROL,
+	/*
+	 * NB: The LRI instruction is generated by the hardware.
+	 * Should we read it in and assert that the offset flag is set?
+	 */
+
+	CTX_REG(engine, reg_state, ctx_oactxctrl, GEN8_OACTXCONTROL,
 		(i915->perf.oa.period_exponent << GEN8_OA_TIMER_PERIOD_SHIFT) |
 		(i915->perf.oa.periodic ? GEN8_OA_TIMER_ENABLE : 0) |
 		GEN8_OA_COUNTER_RESUME);
@@ -1674,10 +1680,10 @@ gen8_update_reg_state_unlocked(struct intel_context *ce,
 			}
 		}
 
-		CTX_REG(reg_state, state_offset, flex_regs[i], value);
+		CTX_REG(engine, reg_state, state_offset, flex_regs[i], value);
 	}
 
-	CTX_REG(reg_state,
+	CTX_REG(engine, reg_state,
 		CTX_R_PWR_CLK_STATE, GEN8_R_PWR_CLK_STATE,
 		gen8_make_rpcs(i915, &ce->sseu));
 }
@@ -1752,7 +1758,7 @@ static int gen8_configure_all_contexts(struct drm_i915_private *dev_priv,
 		ce->state->obj->mm.dirty = true;
 		regs += LRC_STATE_PN * PAGE_SIZE / sizeof(*regs);
 
-		gen8_update_reg_state_unlocked(ce, regs, oa_config);
+		gen8_update_reg_state_unlocked(engine, ce, regs, oa_config);
 
 		i915_gem_object_unpin_map(ce->state->obj);
 	}
@@ -2146,7 +2152,8 @@ void i915_oa_init_reg_state(struct intel_engine_cs *engine,
 
 	stream = engine->i915->perf.oa.exclusive_stream;
 	if (stream)
-		gen8_update_reg_state_unlocked(ce, regs, stream->oa_config);
+		gen8_update_reg_state_unlocked(engine, ce, regs,
+					       stream->oa_config);
 }
 
 /**
diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c
index d0427c2e3997..0b5580b19d3d 100644
--- a/drivers/gpu/drm/i915/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/intel_engine_cs.c
@@ -246,6 +246,17 @@ static u32 __engine_mmio_base(struct drm_i915_private *i915,
 	return bases[i].base;
 }
 
+bool i915_engine_has_relative_lri(const struct intel_engine_cs *engine)
+{
+	if (INTEL_GEN(engine->i915) < 11)
+		return false;
+
+	if (engine->id == BCS0)
+		return false;
+
+	return true;
+}
+
 static void __sprint_engine_name(char *name, const struct engine_info *info)
 {
 	WARN_ON(snprintf(name, INTEL_ENGINE_CS_MAX_NAME, "%s%u",
diff --git a/drivers/gpu/drm/i915/intel_gpu_commands.h b/drivers/gpu/drm/i915/intel_gpu_commands.h
index a34ece53a771..97c2cfd1d38f 100644
--- a/drivers/gpu/drm/i915/intel_gpu_commands.h
+++ b/drivers/gpu/drm/i915/intel_gpu_commands.h
@@ -123,9 +123,13 @@
  *   simply ignores the register load under certain conditions.
  * - One can actually load arbitrary many arbitrary registers: Simply issue x
  *   address/value pairs. Don't overdue it, though, x <= 2^4 must hold!
+ * - Newer hardware supports engine relative addresses but older hardware does
+ *   not. So never call MI_LRI directly, always use the i915_get_lri_cmd()
+ *   and i915_get_lri_reg() helper functions.
  */
-#define MI_LOAD_REGISTER_IMM(x)	MI_INSTR(0x22, 2*(x)-1)
+#define __MI_LOAD_REGISTER_IMM(x)	MI_INSTR(0x22, 2*(x)-1)
 #define   MI_LRI_FORCE_POSTED		(1<<12)
+#define   MI_LRI_ADD_CS_MMIO_START	(1<<19)
 #define MI_STORE_REGISTER_MEM        MI_INSTR(0x24, 1)
 #define MI_STORE_REGISTER_MEM_GEN8   MI_INSTR(0x24, 2)
 #define   MI_SRM_LRM_GLOBAL_GTT		(1<<22)
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index bec232acc8d7..b658f9d77d25 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -1448,13 +1448,14 @@ static int emit_pdps(struct i915_request *rq)
 		return PTR_ERR(cs);
 
 	/* Ensure the LRI have landed before we invalidate & continue */
-	*cs++ = MI_LOAD_REGISTER_IMM(2 * GEN8_3LVL_PDPES) | MI_LRI_FORCE_POSTED;
+	*cs++ = i915_get_lri_cmd(engine, 2 * GEN8_3LVL_PDPES) |
+				 MI_LRI_FORCE_POSTED;
 	for (i = GEN8_3LVL_PDPES; i--; ) {
 		const dma_addr_t pd_daddr = i915_page_dir_dma_addr(ppgtt, i);
 
-		*cs++ = i915_mmio_reg_offset(GEN8_RING_PDP_UDW(engine, i));
+		*cs++ = i915_get_lri_reg(engine, GEN8_RING_PDP_UDW(engine, i));
 		*cs++ = upper_32_bits(pd_daddr);
-		*cs++ = i915_mmio_reg_offset(GEN8_RING_PDP_LDW(engine, i));
+		*cs++ = i915_get_lri_reg(engine, GEN8_RING_PDP_LDW(engine, i));
 		*cs++ = lower_32_bits(pd_daddr);
 	}
 	*cs++ = MI_NOOP;
@@ -1528,8 +1529,8 @@ gen8_emit_flush_coherentl3_wa(struct intel_engine_cs *engine, u32 *batch)
 	*batch++ = i915_scratch_offset(engine->i915) + 256;
 	*batch++ = 0;
 
-	*batch++ = MI_LOAD_REGISTER_IMM(1);
-	*batch++ = i915_mmio_reg_offset(GEN8_L3SQCREG4);
+	*batch++ = i915_get_lri_cmd(engine, 1);
+	*batch++ = i915_get_lri_reg(engine, GEN8_L3SQCREG4);
 	*batch++ = 0x40400000 | GEN8_LQSC_FLUSH_COHERENT_LINES;
 
 	batch = gen8_emit_pipe_control(batch,
@@ -1599,13 +1600,14 @@ struct lri {
 	u32 value;
 };
 
-static u32 *emit_lri(u32 *batch, const struct lri *lri, unsigned int count)
+static u32 *emit_lri(struct intel_engine_cs *engine, u32 *batch,
+		     const struct lri *lri, unsigned int count)
 {
 	GEM_BUG_ON(!count || count > 63);
 
-	*batch++ = MI_LOAD_REGISTER_IMM(count);
+	*batch++ = i915_get_lri_cmd(engine, count);
 	do {
-		*batch++ = i915_mmio_reg_offset(lri->reg);
+		*batch++ = i915_get_lri_reg(engine, lri->reg);
 		*batch++ = lri->value;
 	} while (lri++, --count);
 	*batch++ = MI_NOOP;
@@ -1643,7 +1645,7 @@ static u32 *gen9_init_indirectctx_bb(struct intel_engine_cs *engine, u32 *batch)
 	/* WaFlushCoherentL3CacheLinesAtContextSwitch:skl,bxt,glk */
 	batch = gen8_emit_flush_coherentl3_wa(engine, batch);
 
-	batch = emit_lri(batch, lri, ARRAY_SIZE(lri));
+	batch = emit_lri(engine, batch, lri, ARRAY_SIZE(lri));
 
 	/* WaMediaPoolStateCmdInWABB:bxt,glk */
 	if (HAS_POOLED_EU(engine->i915)) {
@@ -2655,10 +2657,10 @@ static void execlists_init_reg_state(u32 *regs,
 	 * values (including all the missing MI_LOAD_REGISTER_IMM commands that
 	 * we are not initializing here).
 	 */
-	regs[CTX_LRI_HEADER_0] = MI_LOAD_REGISTER_IMM(rcs ? 14 : 11) |
-				 MI_LRI_FORCE_POSTED;
+	regs[CTX_LRI_HEADER_0] = i915_get_lri_cmd(engine, rcs ? 14 : 11) |
+						  MI_LRI_FORCE_POSTED;
 
-	CTX_REG(regs, CTX_CONTEXT_CONTROL, RING_CONTEXT_CONTROL(base),
+	CTX_REG(engine, regs, CTX_CONTEXT_CONTROL, RING_CONTEXT_CONTROL(base),
 		_MASKED_BIT_DISABLE(CTX_CTRL_ENGINE_CTX_RESTORE_INHIBIT) |
 		_MASKED_BIT_ENABLE(CTX_CTRL_INHIBIT_SYN_CTX_SWITCH));
 	if (INTEL_GEN(engine->i915) < 11) {
@@ -2666,22 +2668,23 @@ static void execlists_init_reg_state(u32 *regs,
 			_MASKED_BIT_DISABLE(CTX_CTRL_ENGINE_CTX_SAVE_INHIBIT |
 					    CTX_CTRL_RS_CTX_ENABLE);
 	}
-	CTX_REG(regs, CTX_RING_HEAD, RING_HEAD(base), 0);
-	CTX_REG(regs, CTX_RING_TAIL, RING_TAIL(base), 0);
-	CTX_REG(regs, CTX_RING_BUFFER_START, RING_START(base), 0);
-	CTX_REG(regs, CTX_RING_BUFFER_CONTROL, RING_CTL(base),
+	CTX_REG(engine, regs, CTX_RING_HEAD, RING_HEAD(base), 0);
+	CTX_REG(engine, regs, CTX_RING_TAIL, RING_TAIL(base), 0);
+	CTX_REG(engine, regs, CTX_RING_BUFFER_START, RING_START(base), 0);
+	CTX_REG(engine, regs, CTX_RING_BUFFER_CONTROL, RING_CTL(base),
 		RING_CTL_SIZE(ring->size) | RING_VALID);
-	CTX_REG(regs, CTX_BB_HEAD_U, RING_BBADDR_UDW(base), 0);
-	CTX_REG(regs, CTX_BB_HEAD_L, RING_BBADDR(base), 0);
-	CTX_REG(regs, CTX_BB_STATE, RING_BBSTATE(base), RING_BB_PPGTT);
-	CTX_REG(regs, CTX_SECOND_BB_HEAD_U, RING_SBBADDR_UDW(base), 0);
-	CTX_REG(regs, CTX_SECOND_BB_HEAD_L, RING_SBBADDR(base), 0);
-	CTX_REG(regs, CTX_SECOND_BB_STATE, RING_SBBSTATE(base), 0);
+	CTX_REG(engine, regs, CTX_BB_HEAD_U, RING_BBADDR_UDW(base), 0);
+	CTX_REG(engine, regs, CTX_BB_HEAD_L, RING_BBADDR(base), 0);
+	CTX_REG(engine, regs, CTX_BB_STATE, RING_BBSTATE(base), RING_BB_PPGTT);
+	CTX_REG(engine, regs, CTX_SECOND_BB_HEAD_U, RING_SBBADDR_UDW(base), 0);
+	CTX_REG(engine, regs, CTX_SECOND_BB_HEAD_L, RING_SBBADDR(base), 0);
+	CTX_REG(engine, regs, CTX_SECOND_BB_STATE, RING_SBBSTATE(base), 0);
 	if (rcs) {
 		struct i915_ctx_workarounds *wa_ctx = &engine->wa_ctx;
 
-		CTX_REG(regs, CTX_RCS_INDIRECT_CTX, RING_INDIRECT_CTX(base), 0);
-		CTX_REG(regs, CTX_RCS_INDIRECT_CTX_OFFSET,
+		CTX_REG(engine, regs, CTX_RCS_INDIRECT_CTX,
+			RING_INDIRECT_CTX(base), 0);
+		CTX_REG(engine, regs, CTX_RCS_INDIRECT_CTX_OFFSET,
 			RING_INDIRECT_CTX_OFFSET(base), 0);
 		if (wa_ctx->indirect_ctx.size) {
 			u32 ggtt_offset = i915_ggtt_offset(wa_ctx->vma);
@@ -2694,7 +2697,8 @@ static void execlists_init_reg_state(u32 *regs,
 				intel_lr_indirect_ctx_offset(engine) << 6;
 		}
 
-		CTX_REG(regs, CTX_BB_PER_CTX_PTR, RING_BB_PER_CTX_PTR(base), 0);
+		CTX_REG(engine, regs, CTX_BB_PER_CTX_PTR,
+			RING_BB_PER_CTX_PTR(base), 0);
 		if (wa_ctx->per_ctx.size) {
 			u32 ggtt_offset = i915_ggtt_offset(wa_ctx->vma);
 
@@ -2703,18 +2707,19 @@ static void execlists_init_reg_state(u32 *regs,
 		}
 	}
 
-	regs[CTX_LRI_HEADER_1] = MI_LOAD_REGISTER_IMM(9) | MI_LRI_FORCE_POSTED;
+	regs[CTX_LRI_HEADER_1] = i915_get_lri_cmd(engine, 9) |
+						  MI_LRI_FORCE_POSTED;
 
-	CTX_REG(regs, CTX_CTX_TIMESTAMP, RING_CTX_TIMESTAMP(base), 0);
+	CTX_REG(engine, regs, CTX_CTX_TIMESTAMP, RING_CTX_TIMESTAMP(base), 0);
 	/* PDP values well be assigned later if needed */
-	CTX_REG(regs, CTX_PDP3_UDW, GEN8_RING_PDP_UDW(engine, 3), 0);
-	CTX_REG(regs, CTX_PDP3_LDW, GEN8_RING_PDP_LDW(engine, 3), 0);
-	CTX_REG(regs, CTX_PDP2_UDW, GEN8_RING_PDP_UDW(engine, 2), 0);
-	CTX_REG(regs, CTX_PDP2_LDW, GEN8_RING_PDP_LDW(engine, 2), 0);
-	CTX_REG(regs, CTX_PDP1_UDW, GEN8_RING_PDP_UDW(engine, 1), 0);
-	CTX_REG(regs, CTX_PDP1_LDW, GEN8_RING_PDP_LDW(engine, 1), 0);
-	CTX_REG(regs, CTX_PDP0_UDW, GEN8_RING_PDP_UDW(engine, 0), 0);
-	CTX_REG(regs, CTX_PDP0_LDW, GEN8_RING_PDP_LDW(engine, 0), 0);
+	CTX_REG(engine, regs, CTX_PDP3_UDW, GEN8_RING_PDP_UDW(engine, 3), 0);
+	CTX_REG(engine, regs, CTX_PDP3_LDW, GEN8_RING_PDP_LDW(engine, 3), 0);
+	CTX_REG(engine, regs, CTX_PDP2_UDW, GEN8_RING_PDP_UDW(engine, 2), 0);
+	CTX_REG(engine, regs, CTX_PDP2_LDW, GEN8_RING_PDP_LDW(engine, 2), 0);
+	CTX_REG(engine, regs, CTX_PDP1_UDW, GEN8_RING_PDP_UDW(engine, 1), 0);
+	CTX_REG(engine, regs, CTX_PDP1_LDW, GEN8_RING_PDP_LDW(engine, 1), 0);
+	CTX_REG(engine, regs, CTX_PDP0_UDW, GEN8_RING_PDP_UDW(engine, 0), 0);
+	CTX_REG(engine, regs, CTX_PDP0_LDW, GEN8_RING_PDP_LDW(engine, 0), 0);
 
 	if (i915_vm_is_4lvl(&ppgtt->vm)) {
 		/* 64b PPGTT (48bit canonical)
@@ -2730,8 +2735,9 @@ static void execlists_init_reg_state(u32 *regs,
 	}
 
 	if (rcs) {
-		regs[CTX_LRI_HEADER_2] = MI_LOAD_REGISTER_IMM(1);
-		CTX_REG(regs, CTX_R_PWR_CLK_STATE, GEN8_R_PWR_CLK_STATE, 0);
+		regs[CTX_LRI_HEADER_2] = i915_get_lri_cmd(engine, 1);
+		CTX_REG(engine, regs, CTX_R_PWR_CLK_STATE,
+			GEN8_R_PWR_CLK_STATE, 0);
 
 		i915_oa_init_reg_state(engine, ce, regs);
 	}
diff --git a/drivers/gpu/drm/i915/intel_lrc_reg.h b/drivers/gpu/drm/i915/intel_lrc_reg.h
index 5ef932d810a7..40b1142d0d74 100644
--- a/drivers/gpu/drm/i915/intel_lrc_reg.h
+++ b/drivers/gpu/drm/i915/intel_lrc_reg.h
@@ -39,10 +39,10 @@
 #define CTX_R_PWR_CLK_STATE		0x42
 #define CTX_END				0x44
 
-#define CTX_REG(reg_state, pos, reg, val) do { \
+#define CTX_REG(engine, reg_state, pos, reg, val) do { \
 	u32 *reg_state__ = (reg_state); \
 	const u32 pos__ = (pos); \
-	(reg_state__)[(pos__) + 0] = i915_mmio_reg_offset(reg); \
+	(reg_state__)[(pos__) + 0] = i915_get_lri_reg((engine), (reg)); \
 	(reg_state__)[(pos__) + 1] = (val); \
 } while (0)
 
diff --git a/drivers/gpu/drm/i915/intel_mocs.c b/drivers/gpu/drm/i915/intel_mocs.c
index 274ba78500c0..bb11d0f68bba 100644
--- a/drivers/gpu/drm/i915/intel_mocs.c
+++ b/drivers/gpu/drm/i915/intel_mocs.c
@@ -322,9 +322,6 @@ static u32 get_entry_control(const struct drm_i915_mocs_table *table,
 /**
  * intel_mocs_init_engine() - emit the mocs control table
  * @engine:	The engine for whom to emit the registers.
- *
- * This function simply emits a MI_LOAD_REGISTER_IMM command for the
- * given table starting at the given address.
  */
 void intel_mocs_init_engine(struct intel_engine_cs *engine)
 {
@@ -378,18 +375,20 @@ static int emit_mocs_control_table(struct i915_request *rq,
 	if (IS_ERR(cs))
 		return PTR_ERR(cs);
 
-	*cs++ = MI_LOAD_REGISTER_IMM(table->n_entries);
+	*cs++ = i915_get_lri_cmd(rq->engine, table->n_entries);
 
 	for (index = 0; index < table->size; index++) {
 		u32 value = get_entry_control(table, index);
 
-		*cs++ = i915_mmio_reg_offset(mocs_register(engine, index));
+		*cs++ = i915_get_lri_reg(rq->engine,
+					 mocs_register(engine, index));
 		*cs++ = value;
 	}
 
 	/* All remaining entries are also unused */
 	for (; index < table->n_entries; index++) {
-		*cs++ = i915_mmio_reg_offset(mocs_register(engine, index));
+		*cs++ = i915_get_lri_reg(rq->engine,
+					 mocs_register(engine, index));
 		*cs++ = unused_value;
 	}
 
@@ -447,7 +446,11 @@ static int emit_mocs_l3cc_table(struct i915_request *rq,
 	if (IS_ERR(cs))
 		return PTR_ERR(cs);
 
-	*cs++ = MI_LOAD_REGISTER_IMM(table->n_entries / 2);
+	/*
+	 * GEN9_LNCFCMOCS is not engine relative, therefore there is no
+	 * need for relative addressing?
+	 */
+	*cs++ = __MI_LOAD_REGISTER_IMM(table->n_entries / 2);
 
 	for (i = 0; i < table->size / 2; i++) {
 		u16 low = get_entry_l3cc(table, 2 * i);
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 8a19eee9c5d4..f2a410c48c7b 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -1601,12 +1601,13 @@ static int load_pd_dir(struct i915_request *rq,
 	if (IS_ERR(cs))
 		return PTR_ERR(cs);
 
-	*cs++ = MI_LOAD_REGISTER_IMM(1);
-	*cs++ = i915_mmio_reg_offset(RING_PP_DIR_DCLV(engine->mmio_base));
+	/* Can these not be merged into a single LRI??? */
+	*cs++ = i915_get_lri_cmd(engine, 1);
+	*cs++ = i915_get_lri_reg(engine, RING_PP_DIR_DCLV(engine->mmio_base));
 	*cs++ = PP_DIR_DCLV_2G;
 
-	*cs++ = MI_LOAD_REGISTER_IMM(1);
-	*cs++ = i915_mmio_reg_offset(RING_PP_DIR_BASE(engine->mmio_base));
+	*cs++ = i915_get_lri_cmd(engine, 1);
+	*cs++ = i915_get_lri_reg(engine, RING_PP_DIR_BASE(engine->mmio_base));
 	*cs++ = ppgtt->pd.base.ggtt_offset << 10;
 
 	intel_ring_advance(rq, cs);
@@ -1671,7 +1672,11 @@ static inline int mi_set_context(struct i915_request *rq, u32 flags)
 		if (num_engines) {
 			struct intel_engine_cs *signaller;
 
-			*cs++ = MI_LOAD_REGISTER_IMM(num_engines);
+			/*
+			 * Must use absolute engine address as the register
+			 * write is targeting a different engine.
+			 */
+			*cs++ = __MI_LOAD_REGISTER_IMM(num_engines);
 			for_each_engine(signaller, i915, id) {
 				if (signaller == engine)
 					continue;
@@ -1717,7 +1722,11 @@ static inline int mi_set_context(struct i915_request *rq, u32 flags)
 			struct intel_engine_cs *signaller;
 			i915_reg_t last_reg = {}; /* keep gcc quiet */
 
-			*cs++ = MI_LOAD_REGISTER_IMM(num_engines);
+			/*
+			 * Must use absolute engine address as the register
+			 * write is targeting a different engine.
+			 */
+			*cs++ = __MI_LOAD_REGISTER_IMM(num_engines);
 			for_each_engine(signaller, i915, id) {
 				if (signaller == engine)
 					continue;
@@ -1759,9 +1768,9 @@ static int remap_l3(struct i915_request *rq, int slice)
 	 * here because no other code should access these registers other than
 	 * at initialization time.
 	 */
-	*cs++ = MI_LOAD_REGISTER_IMM(GEN7_L3LOG_SIZE/4);
+	*cs++ = i915_get_lri_cmd(rq->engine, GEN7_L3LOG_SIZE/4);
 	for (i = 0; i < GEN7_L3LOG_SIZE/4; i++) {
-		*cs++ = i915_mmio_reg_offset(GEN7_L3LOG(slice, i));
+		*cs++ = i915_get_lri_reg(rq->engine, GEN7_L3LOG(slice, i));
 		*cs++ = remap_info[i];
 	}
 	*cs++ = MI_NOOP;
@@ -2346,3 +2355,23 @@ int intel_init_vebox_ring_buffer(struct intel_engine_cs *engine)
 
 	return intel_init_ring_buffer(engine);
 }
+
+u32 i915_get_lri_cmd(const struct intel_engine_cs *engine, u32 word_count)
+{
+	u32 word;
+
+	word = __MI_LOAD_REGISTER_IMM(word_count);
+
+	if (i915_engine_has_relative_lri(engine))
+		word |= MI_LRI_ADD_CS_MMIO_START;
+
+	return word;
+}
+
+u32 i915_get_lri_reg(const struct intel_engine_cs *engine, i915_reg_t reg)
+{
+	if (!i915_engine_has_relative_lri(engine))
+		return i915_mmio_reg_offset(reg);
+
+	return i915_mmio_reg_offset(reg) - engine->mmio_base;
+}
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h
index e58d6f04177b..8f89cc14b3e0 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.h
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.h
@@ -581,4 +581,8 @@ intel_engine_get_hangcheck_seqno(struct intel_engine_cs *engine)
 	return intel_read_status_page(engine, I915_GEM_HWS_HANGCHECK);
 }
 
+bool i915_engine_has_relative_lri(const struct intel_engine_cs *engine);
+u32 i915_get_lri_cmd(const struct intel_engine_cs *engine, u32 word_count);
+u32 i915_get_lri_reg(const struct intel_engine_cs *engine, i915_reg_t reg);
+
 #endif /* _INTEL_RINGBUFFER_H_ */
diff --git a/drivers/gpu/drm/i915/intel_workarounds.c b/drivers/gpu/drm/i915/intel_workarounds.c
index a04dbc58ec1c..0b6c81f5e65c 100644
--- a/drivers/gpu/drm/i915/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/intel_workarounds.c
@@ -614,9 +614,9 @@ int intel_engine_emit_ctx_wa(struct i915_request *rq)
 	if (IS_ERR(cs))
 		return PTR_ERR(cs);
 
-	*cs++ = MI_LOAD_REGISTER_IMM(wal->count);
+	*cs++ = i915_get_lri_cmd(rq->engine, wal->count);
 	for (i = 0, wa = wal->list; i < wal->count; i++, wa++) {
-		*cs++ = i915_mmio_reg_offset(wa->reg);
+		*cs++ = i915_get_lri_reg(rq->engine, wa->reg);
 		*cs++ = wa->val;
 	}
 	*cs++ = MI_NOOP;
diff --git a/drivers/gpu/drm/i915/selftests/intel_workarounds.c b/drivers/gpu/drm/i915/selftests/intel_workarounds.c
index 3baed59008d7..34ef4a3d58b9 100644
--- a/drivers/gpu/drm/i915/selftests/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/selftests/intel_workarounds.c
@@ -487,6 +487,7 @@ static int check_dirty_whitelist(struct i915_gem_context *ctx,
 
 	for (i = 0; i < engine->whitelist.count; i++) {
 		u32 reg = i915_mmio_reg_offset(engine->whitelist.list[i].reg);
+		u32 regLRI = i915_get_lri_reg(engine, engine->whitelist.list[i].reg);
 		u64 addr = scratch->node.start;
 		struct i915_request *rq;
 		u32 srm, lrm, rsvd;
@@ -519,8 +520,8 @@ static int check_dirty_whitelist(struct i915_gem_context *ctx,
 		idx = 1;
 		for (v = 0; v < ARRAY_SIZE(values); v++) {
 			/* LRI garbage */
-			*cs++ = MI_LOAD_REGISTER_IMM(1);
-			*cs++ = reg;
+			*cs++ = i915_get_lri_cmd(engine, 1);
+			*cs++ = regLRI;
 			*cs++ = values[v];
 
 			/* SRM result */
@@ -532,8 +533,8 @@ static int check_dirty_whitelist(struct i915_gem_context *ctx,
 		}
 		for (v = 0; v < ARRAY_SIZE(values); v++) {
 			/* LRI garbage */
-			*cs++ = MI_LOAD_REGISTER_IMM(1);
-			*cs++ = reg;
+			*cs++ = i915_get_lri_cmd(engine, 1);
+			*cs++ = regLRI;
 			*cs++ = ~values[v];
 
 			/* SRM result */
