etnaviv: singlethread shader variant compiles when dumping shaders

When more than one instance of the shader compiler is running at
once, the output of ETNA_MESA_DEBUG=dump_shaders is almost useless
as output from multiple instances will get interleaved, making it
very hard to parse.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Christian Gmeiner <cgmeiner@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30604>

src/gallium/drivers/etnaviv/etnaviv_shader.c

@@ -461,7 +461,9 @@ etna_shader_variant(struct etna_shader *shader,
 static inline bool
 initial_variants_synchronous(struct etna_context *ctx)
 {
-   return unlikely(ctx->base.debug.debug_message) || DBG_ENABLED(ETNA_DBG_SHADERDB);
+   return unlikely(ctx->base.debug.debug_message) ||
+                   DBG_ENABLED(ETNA_DBG_SHADERDB) ||
+                   DBG_ENABLED(ETNA_DBG_DUMP_SHADERS);
 }
 
 static void