intel: Implement Wa_16011448509

"Use 3DSTATE_CONST command for individual shaders instead of
3DSTATE_CONST_ALL COMMAND"

On gen 12.0 platforms, 3DSTATE_CONSTANT_ALL command is not processed
correctly in certain cases.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Tapani Pälli <tapani.palli@intel.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21301>

src/intel/vulkan/genX_cmd_buffer.c

@@ -2815,8 +2815,15 @@ cmd_buffer_flush_gfx_push_constants(struct anv_cmd_buffer *cmd_buffer,
       /* The Constant Buffer Read Length field from 3DSTATE_CONSTANT_ALL
        * contains only 5 bits, so we can only use it for buffers smaller than
        * 32.
+       *
+       * According to Wa_16011448509, Gfx12.0 misinterprets some address bits
+       * in 3DSTATE_CONSTANT_ALL.  It should still be safe to use the command
+       * for disabling stages, where all address bits are zero.  However, we
+       * can't safely use it for general buffers with arbitrary addresses.
+       * Just fall back to the individual 3DSTATE_CONSTANT_XS commands in that
+       * case.
        */
-      if (max_push_range < 32) {
+      if (max_push_range < 32 && GFX_VERx10 > 120) {
          cmd_buffer_emit_push_constant_all(cmd_buffer, 1 << stage,
                                            buffers, buffer_count);
          continue;
@@ -2828,6 +2835,7 @@ cmd_buffer_flush_gfx_push_constants(struct anv_cmd_buffer *cmd_buffer,
 
 #if GFX_VER >= 12
    if (nobuffer_stages)
+      /* Wa_16011448509: all address bits are zero */
       cmd_buffer_emit_push_constant_all(cmd_buffer, nobuffer_stages, NULL, 0);
 #endif