gallium/radeon: only pass shader-specific debug flags to the disk shader cache

Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>

src/gallium/drivers/radeon/r600_pipe_common.c

@@ -877,10 +877,17 @@ static void r600_disk_cache_create(struct r600_common_screen *rscreen)
 		}
 #endif
 		if (res != -1) {
+			/* These flags affect shader compilation. */
+			uint64_t shader_debug_flags =
+				rscreen->debug_flags &
+				(DBG_FS_CORRECT_DERIVS_AFTER_KILL |
+				 DBG_SI_SCHED |
+				 DBG_UNSAFE_MATH);
+
 			rscreen->disk_shader_cache =
 				disk_cache_create(r600_get_family_name(rscreen),
 						  timestamp_str,
-						  rscreen->debug_flags);
+						  shader_debug_flags);
 			free(timestamp_str);
 		}
 	}