diff --git a/src/gallium/drivers/r600/ci/r600-rv770-fails.txt b/src/gallium/drivers/r600/ci/r600-rv770-fails.txt
index 22249de873a..87997c0d1a0 100644
--- a/src/gallium/drivers/r600/ci/r600-rv770-fails.txt
+++ b/src/gallium/drivers/r600/ci/r600-rv770-fails.txt
@@ -825,10 +825,6 @@ spec@ext_framebuffer_multisample@no-color 8 depth-computed combined,Fail
 spec@ext_framebuffer_multisample@no-color 8 depth-computed single,Fail
 spec@ext_framebuffer_multisample@no-color 8 stencil combined,Fail
 spec@ext_framebuffer_multisample@no-color 8 stencil single,Fail
-spec@ext_framebuffer_multisample@turn-on-off 2,Fail
-spec@ext_framebuffer_multisample@turn-on-off 4,Fail
-spec@ext_framebuffer_multisample@turn-on-off 6,Fail
-spec@ext_framebuffer_multisample@turn-on-off 8,Fail
 
 spec@ext_framebuffer_object@fbo-blending-formats,Fail
 spec@ext_framebuffer_object@fbo-blending-formats@3,Fail
diff --git a/src/gallium/drivers/r600/ci/r600-turks-fails.txt b/src/gallium/drivers/r600/ci/r600-turks-fails.txt
index 8a12133f03d..9fd3c9149e2 100644
--- a/src/gallium/drivers/r600/ci/r600-turks-fails.txt
+++ b/src/gallium/drivers/r600/ci/r600-turks-fails.txt
@@ -1255,14 +1255,6 @@ spec@ext_framebuffer_multisample@accuracy all_samples stencil_resolve small dept
 
 spec@ext_framebuffer_multisample@blit-mismatched-formats,Fail
 
-spec@ext_framebuffer_multisample@interpolation 6 centroid-edges,Fail
-spec@ext_framebuffer_multisample@interpolation 8 centroid-edges,Fail
-
-spec@ext_framebuffer_multisample@turn-on-off 2,Fail
-spec@ext_framebuffer_multisample@turn-on-off 4,Fail
-spec@ext_framebuffer_multisample@turn-on-off 6,Fail
-spec@ext_framebuffer_multisample@turn-on-off 8,Fail
-
 spec@ext_framebuffer_object@fbo-blending-formats,Fail
 spec@ext_framebuffer_object@fbo-blending-formats@3,Fail
 spec@ext_framebuffer_object@fbo-blending-formats@GL_RGB,Fail
diff --git a/src/gallium/drivers/r600/evergreen_state.c b/src/gallium/drivers/r600/evergreen_state.c
index b20e9a861d3..af5c0dd71d1 100644
--- a/src/gallium/drivers/r600/evergreen_state.c
+++ b/src/gallium/drivers/r600/evergreen_state.c
@@ -555,10 +555,12 @@ static void *evergreen_create_rs_state(struct pipe_context *ctx,
 	if (rctx->b.gfx_level == CAYMAN) {
 		r600_store_context_reg(&rs->buffer, CM_R_028BE4_PA_SU_VTX_CNTL,
 				       S_028C08_PIX_CENTER_HALF(state->half_pixel_center) |
+				       S_028C08_ROUND_MODE(V_028C08_X_ROUND_TO_EVEN) |
 				       S_028C08_QUANT_MODE(V_028C08_X_1_256TH));
 	} else {
 		r600_store_context_reg(&rs->buffer, R_028C08_PA_SU_VTX_CNTL,
 				       S_028C08_PIX_CENTER_HALF(state->half_pixel_center) |
+				       S_028C08_ROUND_MODE(V_028C08_X_ROUND_TO_EVEN) |
 				       S_028C08_QUANT_MODE(V_028C08_X_1_256TH));
 	}
 
diff --git a/src/gallium/drivers/r600/evergreend.h b/src/gallium/drivers/r600/evergreend.h
index e222697e968..02456c51a75 100644
--- a/src/gallium/drivers/r600/evergreend.h
+++ b/src/gallium/drivers/r600/evergreend.h
@@ -2402,6 +2402,12 @@
 #define   S_028C08_PIX_CENTER_HALF(x)                  (((unsigned)(x) & 0x1) << 0)
 #define   G_028C08_PIX_CENTER_HALF(x)                  (((x) >> 0) & 0x1)
 #define   C_028C08_PIX_CENTER_HALF                     0xFFFFFFFE
+#define   S_028C08_ROUND_MODE(x)                       (((unsigned)(x) & 0x03) << 1)
+#define   G_028C08_ROUND_MODE(x)                       (((x) >> 1) & 0x03)
+#define     V_028C08_X_TRUNCATE                        0x00
+#define     V_028C08_X_ROUND                           0x01
+#define     V_028C08_X_ROUND_TO_EVEN                   0x02
+#define     V_028C08_X_ROUND_TO_ODD                    0x03
 #define   S_028C08_QUANT_MODE(x)                       (((unsigned)(x) & 0x7) << 3)
 #define   G_028C08_QUANT_MODE(x)                       (((x) >> 3) & 0x7)
 #define   C_028C08_QUANT_MODE                          0xFFFFFFC7
diff --git a/src/gallium/drivers/r600/r600_state.c b/src/gallium/drivers/r600/r600_state.c
index 5a6f69e9828..ba95c66352f 100644
--- a/src/gallium/drivers/r600/r600_state.c
+++ b/src/gallium/drivers/r600/r600_state.c
@@ -539,6 +539,7 @@ static void *r600_create_rs_state(struct pipe_context *ctx,
 	r600_store_context_reg(&rs->buffer, R_028A4C_PA_SC_MODE_CNTL, sc_mode_cntl);
 	r600_store_context_reg(&rs->buffer, R_028C08_PA_SU_VTX_CNTL,
 			       S_028C08_PIX_CENTER_HALF(state->half_pixel_center) |
+			       S_028C08_ROUND_MODE(V_028C08_X_ROUND_TO_EVEN) |
 			       S_028C08_QUANT_MODE(V_028C08_X_1_256TH));
 	r600_store_context_reg(&rs->buffer, R_028DFC_PA_SU_POLY_OFFSET_CLAMP, fui(state->offset_clamp));
 
diff --git a/src/gallium/drivers/r600/r600d.h b/src/gallium/drivers/r600/r600d.h
index 0cb92cb2e26..e4f14217dbb 100644
--- a/src/gallium/drivers/r600/r600d.h
+++ b/src/gallium/drivers/r600/r600d.h
@@ -2279,6 +2279,12 @@
 #define   S_028C08_PIX_CENTER_HALF(x)                  (((unsigned)(x) & 0x1) << 0)
 #define   G_028C08_PIX_CENTER_HALF(x)                  (((x) >> 0) & 0x1)
 #define   C_028C08_PIX_CENTER_HALF                     0xFFFFFFFE
+#define   S_028C08_ROUND_MODE(x)                       (((unsigned)(x) & 0x03) << 1)
+#define   G_028C08_ROUND_MODE(x)                       (((x) >> 1) & 0x03)
+#define     V_028C08_X_TRUNCATE                        0x00
+#define     V_028C08_X_ROUND                           0x01
+#define     V_028C08_X_ROUND_TO_EVEN                   0x02
+#define     V_028C08_X_ROUND_TO_ODD                    0x03
 #define   S_028C08_QUANT_MODE(x)                       (((unsigned)(x) & 0x7) << 3)
 #define   G_028C08_QUANT_MODE(x)                       (((x) >> 3) & 0x7)
 #define   C_028C08_QUANT_MODE                          0xFFFFFFC7