diff --git a/src/freedreno/common/freedreno_devices.py b/src/freedreno/common/freedreno_devices.py
index 69906dfa323..7334677e45a 100644
--- a/src/freedreno/common/freedreno_devices.py
+++ b/src/freedreno/common/freedreno_devices.py
@@ -1060,7 +1060,7 @@ a730_raw_magic_regs = [
         [A6XXRegs.REG_A6XX_GRAS_DBG_ECO_CNTL,  0x00000800],
 
         [A6XXRegs.REG_A7XX_RB_UNKNOWN_8E79,   0x00000000],
-        [A6XXRegs.REG_A7XX_RB_UNKNOWN_8899,   0x00000000],
+        [A6XXRegs.REG_A7XX_RB_LRZ_CNTL2,      0x00000000],
         [A6XXRegs.REG_A7XX_RB_CCU_DBG_ECO_CNTL, 0x02080000],
         [A6XXRegs.REG_A6XX_VPC_DBG_ECO_CNTL,  0x02000000],
         [A6XXRegs.REG_A6XX_UCHE_UNKNOWN_0E12, 0x3200000],
@@ -1112,7 +1112,7 @@ a740_raw_magic_regs = [
         [A6XXRegs.REG_A6XX_GRAS_DBG_ECO_CNTL,  0x00004800],
 
         [A6XXRegs.REG_A7XX_RB_UNKNOWN_8E79,   0x00000000],
-        [A6XXRegs.REG_A7XX_RB_UNKNOWN_8899,   0x00000000],
+        [A6XXRegs.REG_A7XX_RB_LRZ_CNTL2,      0x00000000],
         [A6XXRegs.REG_A7XX_RB_UNKNOWN_8C34,   0x00000000],
         [A6XXRegs.REG_A7XX_RB_CCU_DBG_ECO_CNTL, 0x02080000],
         [A6XXRegs.REG_A6XX_VPC_DBG_ECO_CNTL,  0x02000000],
@@ -1212,7 +1212,7 @@ add_gpus([
             [A6XXRegs.REG_A6XX_GRAS_DBG_ECO_CNTL,  0x00004800],
 
             [A6XXRegs.REG_A7XX_RB_UNKNOWN_8E79,   0x00000000],
-            [A6XXRegs.REG_A7XX_RB_UNKNOWN_8899,   0x00000000],
+            [A6XXRegs.REG_A7XX_RB_LRZ_CNTL2,      0x00000000],
             [A6XXRegs.REG_A7XX_RB_UNKNOWN_8C34,   0x00000000],
             [A6XXRegs.REG_A7XX_RB_CCU_DBG_ECO_CNTL, 0x02080000],
             [A6XXRegs.REG_A6XX_VPC_DBG_ECO_CNTL,  0x02000000],
@@ -1295,7 +1295,7 @@ add_gpus([
             [A6XXRegs.REG_A6XX_GRAS_DBG_ECO_CNTL,  0x00004800],
 
             [A6XXRegs.REG_A7XX_RB_UNKNOWN_8E79,   0x00000000],
-            [A6XXRegs.REG_A7XX_RB_UNKNOWN_8899,   0x00000000],
+            [A6XXRegs.REG_A7XX_RB_LRZ_CNTL2,      0x00000000],
             [A6XXRegs.REG_A7XX_RB_CCU_DBG_ECO_CNTL, 0x02080000],
             [A6XXRegs.REG_A6XX_VPC_DBG_ECO_CNTL,  0x02000000],
             [A6XXRegs.REG_A6XX_UCHE_UNKNOWN_0E12, 0],
@@ -1375,7 +1375,7 @@ add_gpus([
             [A6XXRegs.REG_A7XX_GRAS_ROTATION_CNTL, 0x00000000],
             [A6XXRegs.REG_A6XX_GRAS_DBG_ECO_CNTL,  0x00004800],
 
-            [A6XXRegs.REG_A7XX_RB_UNKNOWN_8899,   0x00000000],
+            [A6XXRegs.REG_A7XX_RB_LRZ_CNTL2,      0x00000000],
             [A6XXRegs.REG_A7XX_RB_UNKNOWN_8C34,   0x00000000],
             [A6XXRegs.REG_A7XX_RB_CCU_DBG_ECO_CNTL, 0x02082000],
 
diff --git a/src/freedreno/registers/adreno/a6xx.xml b/src/freedreno/registers/adreno/a6xx.xml
index fd85353c41a..0756f642e75 100644
--- a/src/freedreno/registers/adreno/a6xx.xml
+++ b/src/freedreno/registers/adreno/a6xx.xml
@@ -2454,7 +2454,9 @@ by a particular renderpass/blit.
 	<reg32 offset="0x8898" name="RB_LRZ_CNTL" usage="rp_blit">
 		<bitfield name="ENABLE" pos="0" type="boolean"/>
 	</reg32>
-	<reg32 offset="0x8899" name="RB_UNKNOWN_8899" variants="A7XX-" usage="cmd"/>
+	<reg32 offset="0x8899" name="RB_LRZ_CNTL2" variants="A7XX-" usage="cmd">
+		<bitfield name="ENABLE_BIDIRECTIONAL_LRZ" pos="0" type="boolean"/>
+	</reg32>
 	<!-- 0x8899-0x88bf invalid -->
 	<!-- clamps depth value for depth test/write -->
 	<reg32 offset="0x88c0" name="RB_VIEWPORT_ZCLAMP_MIN" type="float" usage="rp_blit" variants="A6XX-A7XX"/>