diff --git a/src/freedreno/registers/adreno/a5xx.xml b/src/freedreno/registers/adreno/a5xx.xml
index 010f62e9d82..2ac5af5e48f 100644
--- a/src/freedreno/registers/adreno/a5xx.xml
+++ b/src/freedreno/registers/adreno/a5xx.xml
@@ -2638,7 +2638,7 @@ bit 7 for RECTLIST (clear) when z32s8 (used for clear of depth32?  not set
 		<!-- SAMPLEID is loaded into a half-precision register: -->
 		<bitfield name="SAMPLEID" low="8" high="15" type="a3xx_regid"/>
 		<bitfield name="SAMPLEMASK" low="16" high="23" type="a3xx_regid"/>
-		<bitfield name="SIZE" low="24" high="31" type="a3xx_regid"/>
+		<bitfield name="CENTERRHW" low="24" high="31" type="a3xx_regid"/>
 	</reg32>
 	<reg32 offset="0xe787" name="HLSQ_CONTROL_3_REG">
 		<!-- register loaded with position (bary.f) -->
diff --git a/src/freedreno/registers/adreno/a6xx.xml b/src/freedreno/registers/adreno/a6xx.xml
index 40dfdbfd4a3..8af2dbce5a6 100644
--- a/src/freedreno/registers/adreno/a6xx.xml
+++ b/src/freedreno/registers/adreno/a6xx.xml
@@ -2000,7 +2000,7 @@ to upconvert to 32b float internally?
 		<bitfield name="FACENESS" pos="2" type="boolean"/>
 		<bitfield name="SAMPLEID" pos="3" type="boolean"/>
 		<bitfield name="FRAGCOORDSAMPLEMODE" low="4" high="5" type="a6xx_fragcoord_sample_mode"/>
-		<bitfield name="SIZE" pos="6" type="boolean"/>
+		<bitfield name="CENTERRHW" pos="6" type="boolean"/>
 		<bitfield name="LINELENGTHEN" pos="7" type="boolean"/>
 		<bitfield name="FOVEATION" pos="8" type="boolean"/>
 	</reg32>
@@ -3554,12 +3554,7 @@ to upconvert to 32b float internally?
 		<!-- SAMPLEID is loaded into a half-precision register: -->
 		<bitfield name="SAMPLEID" low="8" high="15" type="a3xx_regid"/>
 		<bitfield name="SAMPLEMASK" low="16" high="23" type="a3xx_regid"/>
-		<!--
-		SIZE is the "size" of the primitive, ie. what the i/j coords need
-		to be divided by to scale to a single fragment.  It is probably
-		the longer of the two lines that form the tri (ie v0v1 and v0v2)?
-		 -->
-		<bitfield name="SIZE" low="24" high="31" type="a3xx_regid"/>
+		<bitfield name="CENTERRHW" low="24" high="31" type="a3xx_regid"/>
 	</reg32>
 	<reg32 offset="0xb984" name="HLSQ_CONTROL_3_REG">
 		<!-- register loaded with position (bary.f) -->
diff --git a/src/freedreno/vulkan/tu_pipeline.c b/src/freedreno/vulkan/tu_pipeline.c
index c852a7a923f..9c90e3eb24b 100644
--- a/src/freedreno/vulkan/tu_pipeline.c
+++ b/src/freedreno/vulkan/tu_pipeline.c
@@ -1442,7 +1442,7 @@ tu6_emit_fs_inputs(struct tu_cs *cs, const struct ir3_shader_variant *fs)
    tu_cs_emit(cs, A6XX_HLSQ_CONTROL_2_REG_FACEREGID(face_regid) |
                   A6XX_HLSQ_CONTROL_2_REG_SAMPLEID(samp_id_regid) |
                   A6XX_HLSQ_CONTROL_2_REG_SAMPLEMASK(smask_in_regid) |
-                  A6XX_HLSQ_CONTROL_2_REG_SIZE(ij_regid[IJ_PERSP_CENTER_RHW]));
+                  A6XX_HLSQ_CONTROL_2_REG_CENTERRHW(ij_regid[IJ_PERSP_CENTER_RHW]));
    tu_cs_emit(cs, A6XX_HLSQ_CONTROL_3_REG_IJ_PERSP_PIXEL(ij_regid[IJ_PERSP_PIXEL]) |
                   A6XX_HLSQ_CONTROL_3_REG_IJ_LINEAR_PIXEL(ij_regid[IJ_LINEAR_PIXEL]) |
                   A6XX_HLSQ_CONTROL_3_REG_IJ_PERSP_CENTROID(ij_regid[IJ_PERSP_CENTROID]) |
@@ -1497,7 +1497,7 @@ tu6_emit_fs_inputs(struct tu_cs *cs, const struct ir3_shader_variant *fs)
             sample_shading ? FRAGCOORD_SAMPLE : FRAGCOORD_CENTER) |
          CONDREG(smask_in_regid, A6XX_RB_RENDER_CONTROL1_SAMPLEMASK) |
          CONDREG(samp_id_regid, A6XX_RB_RENDER_CONTROL1_SAMPLEID) |
-         CONDREG(ij_regid[IJ_PERSP_CENTER_RHW], A6XX_RB_RENDER_CONTROL1_SIZE) |
+         CONDREG(ij_regid[IJ_PERSP_CENTER_RHW], A6XX_RB_RENDER_CONTROL1_CENTERRHW) |
          COND(fs->frag_face, A6XX_RB_RENDER_CONTROL1_FACENESS));
 
    tu_cs_emit_pkt4(cs, REG_A6XX_RB_SAMPLE_CNTL, 1);
diff --git a/src/gallium/drivers/freedreno/a5xx/fd5_program.c b/src/gallium/drivers/freedreno/a5xx/fd5_program.c
index 2fc6f308a65..fda5eb25bf4 100644
--- a/src/gallium/drivers/freedreno/a5xx/fd5_program.c
+++ b/src/gallium/drivers/freedreno/a5xx/fd5_program.c
@@ -518,7 +518,7 @@ fd5_program_emit(struct fd_context *ctx, struct fd_ringbuffer *ring,
    OUT_RING(ring, A5XX_HLSQ_CONTROL_2_REG_FACEREGID(face_regid) |
                      A5XX_HLSQ_CONTROL_2_REG_SAMPLEID(samp_id_regid) |
                      A5XX_HLSQ_CONTROL_2_REG_SAMPLEMASK(samp_mask_regid) |
-                     A5XX_HLSQ_CONTROL_2_REG_SIZE(ij_regid[IJ_PERSP_CENTER_RHW]));
+                     A5XX_HLSQ_CONTROL_2_REG_CENTERRHW(ij_regid[IJ_PERSP_CENTER_RHW]));
    OUT_RING(
       ring,
       A5XX_HLSQ_CONTROL_3_REG_IJ_PERSP_PIXEL(ij_regid[IJ_PERSP_PIXEL]) |
diff --git a/src/gallium/drivers/freedreno/a6xx/fd6_program.c b/src/gallium/drivers/freedreno/a6xx/fd6_program.c
index e630ccc2dac..6eee94d8a10 100644
--- a/src/gallium/drivers/freedreno/a6xx/fd6_program.c
+++ b/src/gallium/drivers/freedreno/a6xx/fd6_program.c
@@ -840,7 +840,7 @@ setup_stateobj(struct fd_ringbuffer *ring, struct fd_context *ctx,
    OUT_RING(ring, A6XX_HLSQ_CONTROL_2_REG_FACEREGID(face_regid) |
                      A6XX_HLSQ_CONTROL_2_REG_SAMPLEID(samp_id_regid) |
                      A6XX_HLSQ_CONTROL_2_REG_SAMPLEMASK(smask_in_regid) |
-                     A6XX_HLSQ_CONTROL_2_REG_SIZE(ij_regid[IJ_PERSP_CENTER_RHW]));
+                     A6XX_HLSQ_CONTROL_2_REG_CENTERRHW(ij_regid[IJ_PERSP_CENTER_RHW]));
    OUT_RING(
       ring,
       A6XX_HLSQ_CONTROL_3_REG_IJ_PERSP_PIXEL(ij_regid[IJ_PERSP_PIXEL]) |
@@ -925,7 +925,7 @@ setup_stateobj(struct fd_ringbuffer *ring, struct fd_context *ctx,
    OUT_RING(ring,
             CONDREG(smask_in_regid, A6XX_RB_RENDER_CONTROL1_SAMPLEMASK) |
                CONDREG(samp_id_regid, A6XX_RB_RENDER_CONTROL1_SAMPLEID) |
-               CONDREG(ij_regid[IJ_PERSP_CENTER_RHW], A6XX_RB_RENDER_CONTROL1_SIZE) |
+               CONDREG(ij_regid[IJ_PERSP_CENTER_RHW], A6XX_RB_RENDER_CONTROL1_CENTERRHW) |
                COND(fs->frag_face, A6XX_RB_RENDER_CONTROL1_FACENESS));
 
    OUT_PKT4(ring, REG_A6XX_RB_SAMPLE_CNTL, 1);