Mesa (master): i965: Silence unused parameter warnings in generated OA code

[Ian Romanick]

Module: Mesa
Branch: master
Commit: ab8f2e30b8ea3565c00a76b546b7ef3b78ab7ff6
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=ab8f2e30b8ea3565c00a76b546b7ef3b78ab7ff6

Author: Ian Romanick <ian.d.romanick at intel.com>
Date:   Mon Feb 12 11:26:39 2018 -0800

i965: Silence unused parameter warnings in generated OA code

Reduces my build from 6301 warnings to 2075 warnings by silencing 4226
instances of things like

src/mesa/drivers/dri/i965/i965 at sta/brw_oa_hsw.c: In function ‘hsw__render_basic__gpu_core_clocks__read’:
src/mesa/drivers/dri/i965/i965 at sta/brw_oa_hsw.c:41:62: warning: unused parameter ‘brw’ [-Wunused-parameter]
 hsw__render_basic__gpu_core_clocks__read(struct brw_context *brw,
                                                              ^~~

Signed-off-by: Ian Romanick <ian.d.romanick at intel.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin at intel.com>
Reviewed-by: Samuel Iglesias Gonsálvez <siglesias at igalia.com>

---

 src/mesa/drivers/dri/i965/brw_oa.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/mesa/drivers/dri/i965/brw_oa.py b/src/mesa/drivers/dri/i965/brw_oa.py
index 576ea6687f..7931c825f0 100644
--- a/src/mesa/drivers/dri/i965/brw_oa.py
+++ b/src/mesa/drivers/dri/i965/brw_oa.py
@@ -260,7 +260,7 @@ def output_counter_read(set, counter, counter_vars):
 
     c("static " + ret_type)
     read_sym = "{0}__{1}__{2}__read".format(set.get('chipset').lower(), set.get('underscore_name'), counter.get('underscore_name'))
-    c(read_sym + "(struct brw_context *brw,\n")
+    c(read_sym + "(MAYBE_UNUSED struct brw_context *brw,\n")
     c_indent(len(read_sym) + 1)
     c("const struct brw_perf_query_info *query,\n")
     c("uint64_t *accumulator)\n")