radv: Use getter instead of setter to extract value.

Oops ...

Fixes: 64768111c30 "radv: Handle slightly different image dimensions."
Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/3417
Reviewed-by: Dave Airlie <airlied@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6337>
diff --git a/src/amd/vulkan/radv_image.c b/src/amd/vulkan/radv_image.c
index f2b82dd..f4ef4fa 100644
--- a/src/amd/vulkan/radv_image.c
+++ b/src/amd/vulkan/radv_image.c
@@ -369,7 +369,7 @@
 		if (device->physical_device->rad_info.chip_class >= GFX10) {
 			width = G_00A004_WIDTH_LO(md->metadata[3]) +
 			        (G_00A008_WIDTH_HI(md->metadata[4]) << 2) + 1;
-			height = S_00A008_HEIGHT(md->metadata[4]) + 1;
+			height = G_00A008_HEIGHT(md->metadata[4]) + 1;
 		} else {
 			width = G_008F18_WIDTH(md->metadata[4]) + 1;
 			height = G_008F18_HEIGHT(md->metadata[4]) + 1;