panfrost: Enable AFBC for RGB565

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5484>

src/panfrost/encoder/pan_afbc.c

@@ -92,9 +92,16 @@ panfrost_format_supports_afbc(enum pipe_format format)
         if (util_format_is_rgba8_variant(desc))
                 return true;
 
-        /* Gross, but probably good enough */
-        if (format == PIPE_FORMAT_R8G8B8_UNORM)
+        /* List some special formats */
+        switch (format) {
+        case PIPE_FORMAT_R8G8B8_UNORM:
+        case PIPE_FORMAT_B8G8R8_UNORM:
+        case PIPE_FORMAT_R5G6B5_UNORM:
+        case PIPE_FORMAT_B5G6R5_UNORM:
                 return true;
+        default:
+                break;
+        }
 
         /* Only Z24S8 variants are compressible as Z/S */