drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c:214:2: error: implicit declaration of function 'enable_kernel_vsx'

From: kernel test robot
Date: Mon Feb 22 2021 - 14:54:19 EST

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Hi Alex,

FYI, the error/warning still remains.

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 31caf8b2a847214be856f843e251fc2ed2cd1075
commit: 582e2ce5b4ece37055c6ebe58ab48a4817d30b10 drm/amdgpu/display: FP fixes for DCN3.x (v4)
date: 4 months ago
config: powerpc64-randconfig-r014-20210222 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project c9439ca36342fb6013187d0a69aef92736951476)
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
# install powerpc64 cross compiling tool for clang build
# apt-get install binutils-powerpc64-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=582e2ce5b4ece37055c6ebe58ab48a4817d30b10
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 582e2ce5b4ece37055c6ebe58ab48a4817d30b10
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc64

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

>> drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c:214:2: error: implicit declaration of function 'enable_kernel_vsx' [-Werror,-Wimplicit-function-declaration]
DC_FP_START();
^
drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:68:3: note: expanded from macro 'DC_FP_START'
enable_kernel_vsx(); \
^
drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c:214:2: note: did you mean 'enable_kernel_fp'?
drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:68:3: note: expanded from macro 'DC_FP_START'
enable_kernel_vsx(); \
^
arch/powerpc/include/asm/switch_to.h:40:13: note: 'enable_kernel_fp' declared here
extern void enable_kernel_fp(void);
^
>> drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c:216:2: error: implicit declaration of function 'disable_kernel_vsx' [-Werror,-Wimplicit-function-declaration]
DC_FP_END();
^
drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:79:3: note: expanded from macro 'DC_FP_END'
disable_kernel_vsx(); \
^
drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c:216:2: note: did you mean 'disable_kernel_fp'?
drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:79:3: note: expanded from macro 'DC_FP_END'
disable_kernel_vsx(); \
^
arch/powerpc/include/asm/switch_to.h:44:20: note: 'disable_kernel_fp' declared here
static inline void disable_kernel_fp(void)
^
2 errors generated.
--
^
<scratch space>:47:1: note: expanded from here
DCN_BASE__INST0_SEG3
^
drivers/gpu/drm/amd/amdgpu/../include/sienna_cichlid_ip_offset.h:373:52: note: expanded from macro 'DCN_BASE__INST0_SEG3'
#define DCN_BASE__INST0_SEG3 0x00009000
^
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:753:3: note: previous initialization is here
HWSEQ_DCN30_REG_LIST()
^~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_hwseq.h:341:2: note: expanded from macro 'HWSEQ_DCN30_REG_LIST'
HWSEQ_DCN2_REG_LIST(),\
^~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_hwseq.h:244:2: note: expanded from macro 'HWSEQ_DCN2_REG_LIST'
SR(MPC_CRC_RESULT_C), \
^~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:247:15: note: expanded from macro 'SR'
.reg_name = BASE(mm ## reg_name ## _BASE_IDX) + \
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:242:25: note: expanded from macro 'BASE_INNER'
#define BASE_INNER(seg) DCN_BASE__INST0_SEG ## seg
^
<scratch space>:57:1: note: expanded from here
DCN_BASE__INST0_SEG3
^
drivers/gpu/drm/amd/amdgpu/../include/sienna_cichlid_ip_offset.h:373:52: note: expanded from macro 'DCN_BASE__INST0_SEG3'
#define DCN_BASE__INST0_SEG3 0x00009000
^
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:753:3: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
HWSEQ_DCN30_REG_LIST()
^~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_hwseq.h:357:2: note: expanded from macro 'HWSEQ_DCN30_REG_LIST'
SR(MPC_CRC_RESULT_AR), \
^~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:247:15: note: expanded from macro 'SR'
.reg_name = BASE(mm ## reg_name ## _BASE_IDX) + \
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:244:19: note: expanded from macro 'BASE'
#define BASE(seg) BASE_INNER(seg)
^
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:242:25: note: expanded from macro 'BASE_INNER'
#define BASE_INNER(seg) DCN_BASE__INST0_SEG ## seg
^
<scratch space>:51:1: note: expanded from here
DCN_BASE__INST0_SEG3
^
drivers/gpu/drm/amd/amdgpu/../include/sienna_cichlid_ip_offset.h:373:52: note: expanded from macro 'DCN_BASE__INST0_SEG3'
#define DCN_BASE__INST0_SEG3 0x00009000
^
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:753:3: note: previous initialization is here
HWSEQ_DCN30_REG_LIST()
^~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_hwseq.h:341:2: note: expanded from macro 'HWSEQ_DCN30_REG_LIST'
HWSEQ_DCN2_REG_LIST(),\
^~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_hwseq.h:245:2: note: expanded from macro 'HWSEQ_DCN2_REG_LIST'
SR(MPC_CRC_RESULT_AR), \
^~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:247:15: note: expanded from macro 'SR'
.reg_name = BASE(mm ## reg_name ## _BASE_IDX) + \
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:242:25: note: expanded from macro 'BASE_INNER'
#define BASE_INNER(seg) DCN_BASE__INST0_SEG ## seg
^
<scratch space>:61:1: note: expanded from here
DCN_BASE__INST0_SEG3
^
drivers/gpu/drm/amd/amdgpu/../include/sienna_cichlid_ip_offset.h:373:52: note: expanded from macro 'DCN_BASE__INST0_SEG3'
#define DCN_BASE__INST0_SEG3 0x00009000
^
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:875:6: warning: no previous prototype for function 'dcn30_dpp_destroy' [-Wmissing-prototypes]
void dcn30_dpp_destroy(struct dpp **dpp)
^
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:875:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void dcn30_dpp_destroy(struct dpp **dpp)
^
static
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:992:16: warning: no previous prototype for function 'dcn30_hubbub_create' [-Wmissing-prototypes]
struct hubbub *dcn30_hubbub_create(struct dc_context *ctx)
^
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:992:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
struct hubbub *dcn30_hubbub_create(struct dc_context *ctx)
^
static
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:1143:24: warning: no previous prototype for function 'dcn30_stream_encoder_create' [-Wmissing-prototypes]
struct stream_encoder *dcn30_stream_encoder_create(
^
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:1143:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
struct stream_encoder *dcn30_stream_encoder_create(
^
static
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:1175:19: warning: no previous prototype for function 'dcn30_hwseq_create' [-Wmissing-prototypes]
struct dce_hwseq *dcn30_hwseq_create(
^
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:1175:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
struct dce_hwseq *dcn30_hwseq_create(
^
static
>> drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:1576:2: error: implicit declaration of function 'enable_kernel_vsx' [-Werror,-Wimplicit-function-declaration]
DC_FP_START();
^
drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:68:3: note: expanded from macro 'DC_FP_START'
enable_kernel_vsx(); \
^
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:1576:2: note: did you mean 'enable_kernel_fp'?
drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:68:3: note: expanded from macro 'DC_FP_START'
enable_kernel_vsx(); \
^
arch/powerpc/include/asm/switch_to.h:40:13: note: 'enable_kernel_fp' declared here
extern void enable_kernel_fp(void);
^
>> drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:1578:2: error: implicit declaration of function 'disable_kernel_vsx' [-Werror,-Wimplicit-function-declaration]
DC_FP_END();
^
drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:79:3: note: expanded from macro 'DC_FP_END'
disable_kernel_vsx(); \
^
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:1578:2: note: did you mean 'disable_kernel_fp'?
drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:79:3: note: expanded from macro 'DC_FP_END'
disable_kernel_vsx(); \
^
arch/powerpc/include/asm/switch_to.h:44:20: note: 'disable_kernel_fp' declared here
static inline void disable_kernel_fp(void)
^
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:2401:2: error: implicit declaration of function 'enable_kernel_vsx' [-Werror,-Wimplicit-function-declaration]
DC_FP_START();
^
drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:68:3: note: expanded from macro 'DC_FP_START'
enable_kernel_vsx(); \
^
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:2403:2: error: implicit declaration of function 'disable_kernel_vsx' [-Werror,-Wimplicit-function-declaration]
DC_FP_END();
^
drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:79:3: note: expanded from macro 'DC_FP_END'
disable_kernel_vsx(); \
^
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:2463:2: error: implicit declaration of function 'enable_kernel_vsx' [-Werror,-Wimplicit-function-declaration]
DC_FP_START();
^
drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:68:3: note: expanded from macro 'DC_FP_START'
enable_kernel_vsx(); \
^
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:2465:2: error: implicit declaration of function 'disable_kernel_vsx' [-Werror,-Wimplicit-function-declaration]
DC_FP_END();
^
drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:79:3: note: expanded from macro 'DC_FP_END'
disable_kernel_vsx(); \
^
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:2537:4: error: implicit declaration of function 'enable_kernel_vsx' [-Werror,-Wimplicit-function-declaration]
DC_FP_START();
^
drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:68:3: note: expanded from macro 'DC_FP_START'
enable_kernel_vsx(); \
^
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:2540:4: error: implicit declaration of function 'disable_kernel_vsx' [-Werror,-Wimplicit-function-declaration]
DC_FP_END();
^
drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:79:3: note: expanded from macro 'DC_FP_END'
disable_kernel_vsx(); \
^
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:2644:2: error: implicit declaration of function 'enable_kernel_vsx' [-Werror,-Wimplicit-function-declaration]
DC_FP_START();
^
drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:68:3: note: expanded from macro 'DC_FP_START'
enable_kernel_vsx(); \
^
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:2923:2: error: implicit declaration of function 'disable_kernel_vsx' [-Werror,-Wimplicit-function-declaration]
DC_FP_END();
^
drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:79:3: note: expanded from macro 'DC_FP_END'
disable_kernel_vsx(); \
^
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:2929:2: error: implicit declaration of function 'disable_kernel_vsx' [-Werror,-Wimplicit-function-declaration]
DC_FP_END();
^
drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:79:3: note: expanded from macro 'DC_FP_END'
disable_kernel_vsx(); \
^
115 warnings and 11 errors generated.

vim +/enable_kernel_vsx +214 drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c

159
160 void dcn3_init_clocks(struct clk_mgr *clk_mgr_base)
161 {
162 struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base);
163 unsigned int num_levels;
164
165 memset(&(clk_mgr_base->clks), 0, sizeof(struct dc_clocks));
166 clk_mgr_base->clks.p_state_change_support = true;
167 clk_mgr_base->clks.prev_p_state_change_support = true;
168 clk_mgr->smu_present = false;
169
170 if (!clk_mgr_base->bw_params)
171 return;
172
173 if (!clk_mgr_base->force_smu_not_present && dcn30_smu_get_smu_version(clk_mgr, &clk_mgr->smu_ver))
174 clk_mgr->smu_present = true;
175
176 if (!clk_mgr->smu_present)
177 return;
178
179 // do we fail if these fail? if so, how? do we not care to check?
180 dcn30_smu_check_driver_if_version(clk_mgr);
181 dcn30_smu_check_msg_header_version(clk_mgr);
182
183 /* DCFCLK */
184 dcn3_init_single_clock(clk_mgr, PPCLK_DCEFCLK,
185 &clk_mgr_base->bw_params->clk_table.entries[0].dcfclk_mhz,
186 &num_levels);
187
188 /* DTBCLK */
189 dcn3_init_single_clock(clk_mgr, PPCLK_DTBCLK,
190 &clk_mgr_base->bw_params->clk_table.entries[0].dtbclk_mhz,
191 &num_levels);
192
193 // DPREFCLK ???
194
195 /* DISPCLK */
196 dcn3_init_single_clock(clk_mgr, PPCLK_DISPCLK,
197 &clk_mgr_base->bw_params->clk_table.entries[0].dispclk_mhz,
198 &num_levels);
199
200 /* DPPCLK */
201 dcn3_init_single_clock(clk_mgr, PPCLK_PIXCLK,
202 &clk_mgr_base->bw_params->clk_table.entries[0].dppclk_mhz,
203 &num_levels);
204
205 /* PHYCLK */
206 dcn3_init_single_clock(clk_mgr, PPCLK_PHYCLK,
207 &clk_mgr_base->bw_params->clk_table.entries[0].phyclk_mhz,
208 &num_levels);
209
210 /* Get UCLK, update bounding box */
211 clk_mgr_base->funcs->get_memclk_states_from_smu(clk_mgr_base);
212
213 /* WM range table */
> 214 DC_FP_START();
215 dcn3_build_wm_range_table(clk_mgr);
> 216 DC_FP_END();
217 }
218

---
0-DAY CI Kernel Test Service, Intel Corporation
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