asahi: Forbid 2D Linear with images

There's no known use case, so forbidding this reduces the combinatorics required
in the texture atomic lowering.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24258>

src/gallium/drivers/asahi/agx_pipe.c

@@ -355,17 +355,23 @@ agx_linear_allowed(const struct agx_resource *pres)
       return false;
 
    switch (pres->base.target) {
-   /* 1D is always linear */
+   /* 1D is always linear, even with image atomics */
    case PIPE_BUFFER:
    case PIPE_TEXTURE_1D:
    case PIPE_TEXTURE_1D_ARRAY:
 
    /* Linear textures require specifying their strides explicitly, which only
     * works for 2D textures. Rectangle textures are a special case of 2D.
+    *
+    * However, we don't want to support this case in the image atomic
+    * implementation, so linear shader images are specially forbidden.
     */
    case PIPE_TEXTURE_2D:
    case PIPE_TEXTURE_2D_ARRAY:
    case PIPE_TEXTURE_RECT:
+      if (pres->base.bind & PIPE_BIND_SHADER_IMAGE)
+         return false;
+
       break;
 
    /* No other texture type can specify a stride */