diff --git a/drivers/gpu/drm/amd/display/dmub/inc/dmub_fw_state.h b/drivers/gpu/drm/amd/display/dmub/inc/dmub_fw_state.h
new file mode 100644
index 0000000000000000000000000000000000000000..c87b1ba7590ee00ca2f27060f84d56e9718bb435
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_fw_state.h
@@ -0,0 +1,73 @@
+/*
+ * Copyright 2019 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef _DMUB_FW_STATE_H_
+#define _DMUB_FW_STATE_H_
+
+#include "dmub_types.h"
+
+#pragma pack(push, 1)
+
+struct dmub_fw_state {
+	/**
+	 * @phy_initialized_during_fw_boot:
+	 *
+	 * Detects if VBIOS/VBL has ran before firmware boot.
+	 * A value of 1 will usually mean S0i3 boot.
+	 */
+	uint8_t phy_initialized_during_fw_boot;
+
+	/**
+	 * @intialized_phy:
+	 *
+	 * Bit vector of initialized PHY.
+	 */
+	uint8_t initialized_phy;
+
+	/**
+	 * @enabled_phy:
+	 *
+	 * Bit vector of enabled PHY for DP alt mode switch tracking.
+	 */
+	uint8_t enabled_phy;
+
+	/**
+	 * @dmcu_fw_loaded:
+	 *
+	 * DMCU auto load state.
+	 */
+	uint8_t dmcu_fw_loaded;
+
+	/**
+	 * @psr_state:
+	 *
+	 * PSR state tracking.
+	 */
+	uint8_t psr_state;
+};
+
+#pragma pack(pop)
+
+#endif /* _DMUB_FW_STATE_H_ */
diff --git a/drivers/gpu/drm/amd/display/dmub/inc/dmub_srv.h b/drivers/gpu/drm/amd/display/dmub/inc/dmub_srv.h
index fdedbe15e026161d20ce086d3c86f5367b2f5e34..528243e35adda60912d39625f2f24de0fd596f17 100644
--- a/drivers/gpu/drm/amd/display/dmub/inc/dmub_srv.h
+++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_srv.h
@@ -67,6 +67,7 @@
 #include "dmub_types.h"
 #include "dmub_cmd.h"
 #include "dmub_rb.h"
+#include "dmub_fw_state.h"
 
 #if defined(__cplusplus)
 extern "C" {
@@ -102,7 +103,7 @@ enum dmub_window_id {
 	DMUB_WINDOW_3_VBIOS,
 	DMUB_WINDOW_4_MAILBOX,
 	DMUB_WINDOW_5_TRACEBUFF,
-	DMUB_WINDOW_6_RESERVED,
+	DMUB_WINDOW_6_FW_STATE,
 	DMUB_WINDOW_7_RESERVED,
 	DMUB_WINDOW_TOTAL,
 };
@@ -241,7 +242,8 @@ struct dmub_srv_hw_funcs {
 			      const struct dmub_window *cw2,
 			      const struct dmub_window *cw3,
 			      const struct dmub_window *cw4,
-				  const struct dmub_window *cw5);
+			      const struct dmub_window *cw5,
+			      const struct dmub_window *cw6);
 
 	void (*setup_mailbox)(struct dmub_srv *dmub,
 			      const struct dmub_region *inbox1);
@@ -296,11 +298,13 @@ struct dmub_srv_hw_params {
  * @asic: dmub asic identifier
  * @user_ctx: user provided context for the dmub_srv
  * @is_virtual: false if hardware support only
+ * @fw_state: dmub firmware state pointer
  */
 struct dmub_srv {
 	enum dmub_asic asic;
 	void *user_ctx;
 	bool is_virtual;
+	volatile const struct dmub_fw_state *fw_state;
 
 	/* private: internal use only */
 	struct dmub_srv_base_funcs funcs;
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.c
index 302dd3d4b77d26a7d5d67314c66cacc84e9bd25a..951ea7053c7e3971bec9ab3702679aac17ab468b 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.c
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.c
@@ -76,7 +76,8 @@ void dmub_dcn20_setup_windows(struct dmub_srv *dmub,
 			      const struct dmub_window *cw2,
 			      const struct dmub_window *cw3,
 			      const struct dmub_window *cw4,
-				  const struct dmub_window *cw5)
+			      const struct dmub_window *cw5,
+			      const struct dmub_window *cw6)
 {
 	REG_WRITE(DMCUB_REGION3_CW2_OFFSET, cw2->offset.u.low_part);
 	REG_WRITE(DMCUB_REGION3_CW2_OFFSET_HIGH, cw2->offset.u.high_part);
@@ -106,6 +107,13 @@ void dmub_dcn20_setup_windows(struct dmub_srv *dmub,
 	REG_SET_2(DMCUB_REGION3_CW5_TOP_ADDRESS, 0,
 		  DMCUB_REGION3_CW5_TOP_ADDRESS, cw5->region.top,
 		  DMCUB_REGION3_CW5_ENABLE, 1);
+
+	REG_WRITE(DMCUB_REGION3_CW6_OFFSET, cw6->offset.u.low_part);
+	REG_WRITE(DMCUB_REGION3_CW6_OFFSET_HIGH, cw6->offset.u.high_part);
+	REG_WRITE(DMCUB_REGION3_CW6_BASE_ADDRESS, cw6->region.base);
+	REG_SET_2(DMCUB_REGION3_CW6_TOP_ADDRESS, 0,
+		  DMCUB_REGION3_CW6_TOP_ADDRESS, cw6->region.top,
+		  DMCUB_REGION3_CW6_ENABLE, 1);
 }
 
 void dmub_dcn20_setup_mailbox(struct dmub_srv *dmub,
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.h b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.h
index ca7db03b94f72d96de28bf78635215285c33b400..e70a57573467f72445d7c21f0d60f58049a4b288 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.h
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.h
@@ -46,7 +46,8 @@ void dmub_dcn20_setup_windows(struct dmub_srv *dmub,
 			      const struct dmub_window *cw2,
 			      const struct dmub_window *cw3,
 			      const struct dmub_window *cw4,
-				  const struct dmub_window *cw5);
+			      const struct dmub_window *cw5,
+			      const struct dmub_window *cw6);
 
 void dmub_dcn20_setup_mailbox(struct dmub_srv *dmub,
 			      const struct dmub_region *inbox1);
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn21.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn21.c
index b9dc2dd645eb3e7454ea16210211abbad12e784c..9cea7a2d8dbfd36a0b9934818f5a22e6a90a4cbf 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn21.c
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn21.c
@@ -78,7 +78,8 @@ void dmub_dcn21_setup_windows(struct dmub_srv *dmub,
 			      const struct dmub_window *cw2,
 			      const struct dmub_window *cw3,
 			      const struct dmub_window *cw4,
-				  const struct dmub_window *cw5)
+			      const struct dmub_window *cw5,
+			      const struct dmub_window *cw6)
 {
 	union dmub_addr offset;
 	uint64_t fb_base = dmub->fb_base, fb_offset = dmub->fb_offset;
@@ -118,6 +119,15 @@ void dmub_dcn21_setup_windows(struct dmub_srv *dmub,
 	REG_SET_2(DMCUB_REGION3_CW5_TOP_ADDRESS, 0,
 		  DMCUB_REGION3_CW5_TOP_ADDRESS, cw5->region.top,
 		  DMCUB_REGION3_CW5_ENABLE, 1);
+
+	dmub_dcn21_translate_addr(&cw6->offset, fb_base, fb_offset, &offset);
+
+	REG_WRITE(DMCUB_REGION3_CW6_OFFSET, offset.u.low_part);
+	REG_WRITE(DMCUB_REGION3_CW6_OFFSET_HIGH, offset.u.high_part);
+	REG_WRITE(DMCUB_REGION3_CW6_BASE_ADDRESS, cw6->region.base);
+	REG_SET_2(DMCUB_REGION3_CW6_TOP_ADDRESS, 0,
+		  DMCUB_REGION3_CW6_TOP_ADDRESS, cw6->region.top,
+		  DMCUB_REGION3_CW6_ENABLE, 1);
 }
 
 bool dmub_dcn21_is_auto_load_done(struct dmub_srv *dmub)
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn21.h b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn21.h
index 9e5f195e288f42cb56b8ccee9675422174513538..f7a93a5dcfa50d505b3089dd6c4f5119dbeda01d 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn21.h
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn21.h
@@ -38,7 +38,8 @@ void dmub_dcn21_setup_windows(struct dmub_srv *dmub,
 			      const struct dmub_window *cw2,
 			      const struct dmub_window *cw3,
 			      const struct dmub_window *cw4,
-				  const struct dmub_window *cw5);
+			      const struct dmub_window *cw5,
+			      const struct dmub_window *cw6);
 
 bool dmub_dcn21_is_auto_load_done(struct dmub_srv *dmub);
 
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
index 70c7a4be9ccc0da3a859863a179248e80ea269e0..5f39166d3c08c2e65ae438cd92e4005c5039a834 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
@@ -48,13 +48,14 @@
 
 
 /* Number of windows in use. */
-#define DMUB_NUM_WINDOWS (DMUB_WINDOW_5_TRACEBUFF + 1)
+#define DMUB_NUM_WINDOWS (DMUB_WINDOW_6_FW_STATE + 1)
 /* Base addresses. */
 
 #define DMUB_CW0_BASE (0x60000000)
 #define DMUB_CW1_BASE (0x61000000)
 #define DMUB_CW3_BASE (0x63000000)
 #define DMUB_CW5_BASE (0x65000000)
+#define DMUB_CW6_BASE (0x66000000)
 
 static inline uint32_t dmub_align(uint32_t val, uint32_t factor)
 {
@@ -158,6 +159,7 @@ dmub_srv_calc_region_info(struct dmub_srv *dmub,
 	struct dmub_region *bios = &out->regions[DMUB_WINDOW_3_VBIOS];
 	struct dmub_region *mail = &out->regions[DMUB_WINDOW_4_MAILBOX];
 	struct dmub_region *trace_buff = &out->regions[DMUB_WINDOW_5_TRACEBUFF];
+	struct dmub_region *fw_state = &out->regions[DMUB_WINDOW_6_FW_STATE];
 
 	if (!dmub->sw_init)
 		return DMUB_STATUS_INVALID;
@@ -184,7 +186,13 @@ dmub_srv_calc_region_info(struct dmub_srv *dmub,
 	trace_buff->base = dmub_align(mail->top, 256);
 	trace_buff->top = trace_buff->base + TRACE_BUF_SIZE;
 
-	out->fb_size = dmub_align(trace_buff->top, 4096);
+	fw_state->base = dmub_align(trace_buff->top, 256);
+
+	/* Align firmware state to size of cache line. */
+	fw_state->top =
+		fw_state->base + dmub_align(sizeof(struct dmub_fw_state), 64);
+
+	out->fb_size = dmub_align(fw_state->top, 4096);
 
 	return DMUB_STATUS_OK;
 }
@@ -258,9 +266,10 @@ enum dmub_status dmub_srv_hw_init(struct dmub_srv *dmub,
 	struct dmub_fb *bios_fb = params->fb[DMUB_WINDOW_3_VBIOS];
 	struct dmub_fb *mail_fb = params->fb[DMUB_WINDOW_4_MAILBOX];
 	struct dmub_fb *tracebuff_fb = params->fb[DMUB_WINDOW_5_TRACEBUFF];
+	struct dmub_fb *fw_state_fb = params->fb[DMUB_WINDOW_6_FW_STATE];
 
 	struct dmub_rb_init_params rb_params;
-	struct dmub_window cw0, cw1, cw2, cw3, cw4, cw5;
+	struct dmub_window cw0, cw1, cw2, cw3, cw4, cw5, cw6;
 	struct dmub_region inbox1;
 
 	if (!dmub->sw_init)
@@ -286,7 +295,8 @@ enum dmub_status dmub_srv_hw_init(struct dmub_srv *dmub,
 	if (dmub->hw_funcs.reset)
 		dmub->hw_funcs.reset(dmub);
 
-	if (inst_fb && data_fb && bios_fb && mail_fb) {
+	if (inst_fb && data_fb && bios_fb && mail_fb && tracebuff_fb &&
+	    fw_state_fb) {
 		cw2.offset.quad_part = data_fb->gpu_addr;
 		cw2.region.base = DMUB_CW0_BASE + inst_fb->size;
 		cw2.region.top = cw2.region.base + data_fb->size;
@@ -306,8 +316,15 @@ enum dmub_status dmub_srv_hw_init(struct dmub_srv *dmub,
 		cw5.region.base = DMUB_CW5_BASE;
 		cw5.region.top = cw5.region.base + tracebuff_fb->size;
 
+		cw6.offset.quad_part = fw_state_fb->gpu_addr;
+		cw6.region.base = DMUB_CW6_BASE;
+		cw6.region.top = cw6.region.base + fw_state_fb->size;
+
+		dmub->fw_state = fw_state_fb->cpu_addr;
+
 		if (dmub->hw_funcs.setup_windows)
-			dmub->hw_funcs.setup_windows(dmub, &cw2, &cw3, &cw4, &cw5);
+			dmub->hw_funcs.setup_windows(dmub, &cw2, &cw3, &cw4,
+						     &cw5, &cw6);
 
 		if (dmub->hw_funcs.setup_mailbox)
 			dmub->hw_funcs.setup_mailbox(dmub, &inbox1);