linux-kernel - [PATCH] drm/amd/display: remove unused variables res_create_maximus_funcs and debug_defaults

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Date:   Tue, 23 May 2023 07:49:37 -0400
From:   Tom Rix <trix@...hat.com>
To:     harry.wentland@....com, sunpeng.li@....com,
        Rodrigo.Siqueira@....com, alexander.deucher@....com,
        christian.koenig@....com, Xinhui.Pan@....com, airlied@...il.com,
        daniel@...ll.ch, qingqing.zhuo@....com, wenjing.liu@....com,
        aurabindo.pillai@....com, Samson.Tam@....com, gpiccoli@...lia.com
Cc:     amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org, Tom Rix <trix@...hat.com>
Subject: [PATCH] drm/amd/display: remove unused variables res_create_maximus_funcs and debug_defaults_diags

gcc with W=1 reports
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn20/dcn20_resource.c:1069:43: error:
  ‘res_create_maximus_funcs’ defined but not used [-Werror=unused-const-variable=]
 1069 | static const struct resource_create_funcs res_create_maximus_funcs = {
      |                                           ^~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn20/dcn20_resource.c:727:38: error:
  ‘debug_defaults_diags’ defined but not used [-Werror=unused-const-variable=]
  727 | static const struct dc_debug_options debug_defaults_diags = {
      |                                      ^~~~~~~~~~~~~~~~~~~~

These variables are not used so remove them.

Signed-off-by: Tom Rix <trix@...hat.com>
---
 .../drm/amd/display/dc/dcn20/dcn20_resource.c | 23 -------------------
 1 file changed, 23 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
index 7dcae3183e07..6ef7e2634991 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
@@ -724,22 +724,6 @@ static const struct dc_debug_options debug_defaults_drv = {
 		.underflow_assert_delay_us = 0xFFFFFFFF,
 };
 
-static const struct dc_debug_options debug_defaults_diags = {
-		.disable_dmcu = false,
-		.force_abm_enable = false,
-		.timing_trace = true,
-		.clock_trace = true,
-		.disable_dpp_power_gate = true,
-		.disable_hubp_power_gate = true,
-		.disable_clock_gate = true,
-		.disable_pplib_clock_request = true,
-		.disable_pplib_wm_range = true,
-		.disable_stutter = true,
-		.scl_reset_length10 = true,
-		.underflow_assert_delay_us = 0xFFFFFFFF,
-		.enable_tri_buf = true,
-};
-
 void dcn20_dpp_destroy(struct dpp **dpp)
 {
 	kfree(TO_DCN20_DPP(*dpp));
@@ -1066,13 +1050,6 @@ static const struct resource_create_funcs res_create_funcs = {
 	.create_hwseq = dcn20_hwseq_create,
 };
 
-static const struct resource_create_funcs res_create_maximus_funcs = {
-	.read_dce_straps = NULL,
-	.create_audio = NULL,
-	.create_stream_encoder = NULL,
-	.create_hwseq = dcn20_hwseq_create,
-};
-
 static void dcn20_pp_smu_destroy(struct pp_smu_funcs **pp_smu);
 
 void dcn20_clock_source_destroy(struct clock_source **clk_src)
-- 
2.27.0