panfrost: Add helper checking tiled AFBC support

Tiled AFBC support was introduced with v7. Add a helper encoding this fact.

Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16697>

src/panfrost/lib/pan_afbc.c

@@ -146,3 +146,13 @@ panfrost_afbc_can_ytr(enum pipe_format format)
         /* The fourth channel if it exists doesn't matter */
         return desc->colorspace == UTIL_FORMAT_COLORSPACE_RGB;
 }
+
+/*
+ * Check if the device supports AFBC with tiled headers (and hence also solid
+ * colour blocks).
+ */
+bool
+panfrost_afbc_can_tile(const struct panfrost_device *dev)
+{
+        return (dev->arch >= 7);
+}

src/panfrost/lib/pan_texture.h

@@ -171,6 +171,9 @@ panfrost_afbc_format(const struct panfrost_device *dev, enum pipe_format format)
 bool
 panfrost_afbc_can_ytr(enum pipe_format format);
 
+bool
+panfrost_afbc_can_tile(const struct panfrost_device *dev);
+
 /*
  * Represents the block size of a single plane. For AFBC, this represents the
  * superblock size. For u-interleaving, this represents the tile size.