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Date: Thu, 18 Jun 2020 01:57:08 +0800
From: kernel test robot <lkp@...el.com>
To: Anthony Koo <Anthony.Koo@....com>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
Alex Deucher <alexander.deucher@....com>,
Tony Cheng <Tony.Cheng@....com>
Subject: drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_panel_cntl.c:48:6:
warning: no previous prototype for 'dce_panel_cntl_hw_init'
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 69119673bd50b176ded34032fadd41530fb5af21
commit: d4caa72e275c1920d38a9541b2e4dcc167733734 drm/amd/display: change from panel to panel cntl
date: 8 weeks ago
config: ia64-randconfig-r012-20200617 (attached as .config)
compiler: ia64-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout d4caa72e275c1920d38a9541b2e4dcc167733734
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=ia64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>, old ones prefixed by <<):
>> drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_panel_cntl.c:48:6: warning: no previous prototype for 'dce_panel_cntl_hw_init' [-Wmissing-prototypes]
48 | void dce_panel_cntl_hw_init(struct panel_cntl *panel_cntl)
| ^~~~~~~~~~~~~~~~~~~~~~
>> drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_panel_cntl.c:53:6: warning: no previous prototype for 'dce_is_panel_backlight_on' [-Wmissing-prototypes]
53 | bool dce_is_panel_backlight_on(struct panel_cntl *panel_cntl)
| ^~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_panel_cntl.c:63:6: warning: no previous prototype for 'dce_is_panel_powered_on' [-Wmissing-prototypes]
63 | bool dce_is_panel_powered_on(struct panel_cntl *panel_cntl)
| ^~~~~~~~~~~~~~~~~~~~~~~
In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/inc/core_types.h:86,
from drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_panel_cntl.c:27:
drivers/gpu/drm/amd/amdgpu/../display/dc/inc/hw/dpp.h:50:42: warning: 'dpp_input_csc_matrix' defined but not used [-Wunused-const-variable=]
50 | static const struct dpp_input_csc_matrix dpp_input_csc_matrix[] = {
| ^~~~~~~~~~~~~~~~~~~~
In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/inc/core_types.h:32,
from drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_panel_cntl.c:27:
drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:124:22: warning: 'DP_DVI_CONVERTER_ID_4' defined but not used [-Wunused-const-variable=]
124 | static const uint8_t DP_DVI_CONVERTER_ID_4[] = "m2DVIa";
| ^~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:122:22: warning: 'DP_VGA_LVDS_CONVERTER_ID_3' defined but not used [-Wunused-const-variable=]
122 | static const uint8_t DP_VGA_LVDS_CONVERTER_ID_3[] = "dnomlA";
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:120:22: warning: 'DP_VGA_LVDS_CONVERTER_ID_2' defined but not used [-Wunused-const-variable=]
120 | static const uint8_t DP_VGA_LVDS_CONVERTER_ID_2[] = "sivarT";
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/dc_types.h:33,
from drivers/gpu/drm/amd/amdgpu/../display/dc/dm_services_types.h:30,
from drivers/gpu/drm/amd/amdgpu/../display/dc/dm_services.h:37,
from drivers/gpu/drm/amd/amdgpu/../display/dc/inc/reg_helper.h:28,
from drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_panel_cntl.c:26:
drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:76:32: warning: 'dc_fixpt_ln2_div_2' defined but not used [-Wunused-const-variable=]
76 | static const struct fixed31_32 dc_fixpt_ln2_div_2 = { 1488522236LL };
| ^~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:75:32: warning: 'dc_fixpt_ln2' defined but not used [-Wunused-const-variable=]
75 | static const struct fixed31_32 dc_fixpt_ln2 = { 2977044471LL };
| ^~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:74:32: warning: 'dc_fixpt_e' defined but not used [-Wunused-const-variable=]
74 | static const struct fixed31_32 dc_fixpt_e = { 11674931555LL };
| ^~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:73:32: warning: 'dc_fixpt_two_pi' defined but not used [-Wunused-const-variable=]
73 | static const struct fixed31_32 dc_fixpt_two_pi = { 26986075409LL };
| ^~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:72:32: warning: 'dc_fixpt_pi' defined but not used [-Wunused-const-variable=]
72 | static const struct fixed31_32 dc_fixpt_pi = { 13493037705LL };
| ^~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:67:32: warning: 'dc_fixpt_zero' defined but not used [-Wunused-const-variable=]
67 | static const struct fixed31_32 dc_fixpt_zero = { 0 };
| ^~~~~~~~~~~~~
vim +/dce_panel_cntl_hw_init +48 drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_panel_cntl.c
31
32 #define TO_DCE_PANEL_CNTL(panel_cntl)\
33 container_of(panel_cntl, struct dce_panel_cntl, base)
34
35 #define CTX \
36 dce_panel_cntl->base.ctx
37
38 #define DC_LOGGER \
39 dce_panel_cntl->base.ctx->logger
40
41 #define REG(reg)\
42 dce_panel_cntl->regs->reg
43
44 #undef FN
45 #define FN(reg_name, field_name) \
46 dce_panel_cntl->shift->field_name, dce_panel_cntl->mask->field_name
47
> 48 void dce_panel_cntl_hw_init(struct panel_cntl *panel_cntl)
49 {
50
51 }
52
> 53 bool dce_is_panel_backlight_on(struct panel_cntl *panel_cntl)
54 {
55 struct dce_panel_cntl *dce_panel_cntl = TO_DCE_PANEL_CNTL(panel_cntl);
56 uint32_t value;
57
58 REG_GET(PWRSEQ_CNTL, BLON, &value);
59
60 return value;
61 }
62
> 63 bool dce_is_panel_powered_on(struct panel_cntl *panel_cntl)
64 {
65 struct dce_panel_cntl *dce_panel_cntl = TO_DCE_PANEL_CNTL(panel_cntl);
66 uint32_t pwr_seq_state, dig_on, dig_on_ovrd;
67
68 REG_GET(PWRSEQ_STATE, PWRSEQ_TARGET_STATE_R, &pwr_seq_state);
69
70 REG_GET_2(PWRSEQ_CNTL, DIGON, &dig_on, DIGON_OVRD, &dig_on_ovrd);
71
72 return (pwr_seq_state == 1) || (dig_on == 1 && dig_on_ovrd == 1);
73 }
74
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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