freedreno: Handle PIPE_FORMAT_NONE buffers

Clover creates buffers with format=NONE.. which is not technically
incorrect.  Just treat this as r8_unorm so we know width0 is the size
in bytes.

Signed-off-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13160>

src/gallium/drivers/freedreno/freedreno_resource.c

@@ -1224,6 +1224,10 @@ fd_resource_allocate_and_resolve(struct pipe_screen *pscreen,
 
    prsc = &rsc->b.b;
 
+   /* Clover creates buffers with PIPE_FORMAT_NONE: */
+   if ((prsc->target == PIPE_BUFFER) && (format == PIPE_FORMAT_NONE))
+      format = prsc->format = PIPE_FORMAT_R8_UNORM;
+
    DBG("%" PRSC_FMT, PRSC_ARGS(prsc));
 
    if (tmpl->bind & PIPE_BIND_SHARED)