gcc with W=1 reports In file included from drivers/gpu/drm/amd/amdgpu/../pm/swsmu/smu13/smu_v13_0.c:36: ./drivers/gpu/drm/amd/amdgpu/../pm/swsmu/inc/smu_v13_0.h:66:18: error: ‘pmfw_decoded_link_width’ defined but not used [-Werror=unused-const-variable=] 66 | static const int pmfw_decoded_link_width[7] = {0, 1, 2, 4, 8, 12, 16}; | ^~~~~~~~~~~~~~~~~~~~~~~ ./drivers/gpu/drm/amd/amdgpu/../pm/swsmu/inc/smu_v13_0.h:65:18: error: ‘pmfw_decoded_link_speed’ defined but not used [-Werror=unused-const-variable=] 65 | static const int pmfw_decoded_link_speed[5] = {1, 2, 3, 4, 5}; | ^~~~~~~~~~~~~~~~~~~~~~~ These variables are defined and used in smu_v13_0_7_ppt.c and smu_v13_0_0_ppt.c. There should be only one definition. So define the variables as globals in smu_v13_0.c Signed-off-by: Tom Rix <trix@xxxxxxxxxx> --- drivers/gpu/drm/amd/pm/swsmu/inc/smu_v13_0.h | 4 ++-- drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c | 3 +++ 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/smu_v13_0.h b/drivers/gpu/drm/amd/pm/swsmu/inc/smu_v13_0.h index 7944ce80e5c3..df3baaab0037 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/inc/smu_v13_0.h +++ b/drivers/gpu/drm/amd/pm/swsmu/inc/smu_v13_0.h @@ -62,8 +62,8 @@ #define CTF_OFFSET_HOTSPOT 5 #define CTF_OFFSET_MEM 5 -static const int pmfw_decoded_link_speed[5] = {1, 2, 3, 4, 5}; -static const int pmfw_decoded_link_width[7] = {0, 1, 2, 4, 8, 12, 16}; +extern const int pmfw_decoded_link_speed[5]; +extern const int pmfw_decoded_link_width[7]; #define DECODE_GEN_SPEED(gen_speed_idx) (pmfw_decoded_link_speed[gen_speed_idx]) #define DECODE_LANE_WIDTH(lane_width_idx) (pmfw_decoded_link_width[lane_width_idx]) diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c index 73175c993da9..393c6a7b9609 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c @@ -85,6 +85,9 @@ MODULE_FIRMWARE("amdgpu/smu_13_0_10.bin"); static const int link_width[] = {0, 1, 2, 4, 8, 12, 16}; static const int link_speed[] = {25, 50, 80, 160}; +const int pmfw_decoded_link_speed[5] = {1, 2, 3, 4, 5}; +const int pmfw_decoded_link_width[7] = {0, 1, 2, 4, 8, 12, 16}; + int smu_v13_0_init_microcode(struct smu_context *smu) { struct amdgpu_device *adev = smu->adev; -- 2.27.0