freedreno/a3xx: point size should not be divided by 2

The division is probably a holdover from the days when the fixed point
inline functions generated by headergen were broken.

Also reduce the maximum point size to 4092 (vs 4096), which is what the
blob does.

Cc: "10.4 10.5" <mesa-stable@lists.freedesktop.org>
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>

src/gallium/drivers/freedreno/a3xx/fd3_rasterizer.c

@@ -50,7 +50,7 @@ fd3_rasterizer_state_create(struct pipe_context *pctx,
 
 	if (cso->point_size_per_vertex) {
 		psize_min = util_get_min_point_size(cso);
-		psize_max = 8192;
+		psize_max = 4092;
 	} else {
 		/* Force the point size to be as if the vertex output was disabled. */
 		psize_min = cso->point_size;
@@ -67,9 +67,9 @@ fd3_rasterizer_state_create(struct pipe_context *pctx,
 */
 	so->gras_cl_clip_cntl = A3XX_GRAS_CL_CLIP_CNTL_IJ_PERSP_CENTER; /* ??? */
 	so->gras_su_point_minmax =
-			A3XX_GRAS_SU_POINT_MINMAX_MIN(psize_min/2) |
-			A3XX_GRAS_SU_POINT_MINMAX_MAX(psize_max/2);
-	so->gras_su_point_size   = A3XX_GRAS_SU_POINT_SIZE(cso->point_size/2);
+			A3XX_GRAS_SU_POINT_MINMAX_MIN(psize_min) |
+			A3XX_GRAS_SU_POINT_MINMAX_MAX(psize_max);
+	so->gras_su_point_size   = A3XX_GRAS_SU_POINT_SIZE(cso->point_size);
 	so->gras_su_poly_offset_scale =
 			A3XX_GRAS_SU_POLY_OFFSET_SCALE_VAL(cso->offset_scale);
 	so->gras_su_poly_offset_offset =

src/gallium/drivers/freedreno/freedreno_screen.c

@@ -300,7 +300,7 @@ fd_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
 	case PIPE_CAPF_MAX_LINE_WIDTH_AA:
 	case PIPE_CAPF_MAX_POINT_WIDTH:
 	case PIPE_CAPF_MAX_POINT_WIDTH_AA:
-		return 8192.0f;
+		return 4092.0f;
 	case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
 		return 16.0f;
 	case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS: