panvk/csf: Fix cmd_emit_dcd() in the FB preload logic

We need to mask the bound_attachments value with
MESA_VK_RP_ATTACHMENT_ANY_COLOR_BITS otherwise we're passing
depth/stencil attachments masks too.

Fixes: 0bc3502ca3 ("panvk: Implement a custom FB preload logic")
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Lars-Ivar Hesselberg Simonsen <lars-ivar.simonsen@arm.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/31625>

src/panfrost/vulkan/panvk_vX_cmd_fb_preload.c

@@ -621,7 +621,8 @@ cmd_emit_dcd(struct panvk_cmd_buffer *cmdbuf,
 
          cfg.blend = bds.gpu;
          cfg.blend_count = bd_count;
-         cfg.render_target_mask = cmdbuf->state.gfx.render.bound_attachments;
+         cfg.render_target_mask = cmdbuf->state.gfx.render.bound_attachments &
+                                  MESA_VK_RP_ATTACHMENT_ANY_COLOR_BITS;
       } else {
          /* ZS_EMIT requires late update/kill */
          cfg.zs_update_operation = MALI_PIXEL_KILL_FORCE_LATE;