tree: git://people.freedesktop.org/~agd5f/linux.git drm-next-4.17 head: f6c3b601bd490eda08c27b03607448abd4b4841b commit: e1deba285156fb4023bb48f22068de5b60e34e15 [458/491] drm/amd/pp: Use amdgpu acpi helper functions in powerplay config: sparc64-allyesconfig (attached as .config) compiler: sparc64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout e1deba285156fb4023bb48f22068de5b60e34e15 # save the attached .config to linux build tree make.cross ARCH=sparc64

All errors (new ones prefixed by >>):

drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/smu7_hwmgr.c: In function 'smu7_request_link_speed_change_before_state_change':

...

drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/smu7_hwmgr.c:3617:13: error: implicit declaration of function 'amdgpu_acpi_pcie_performance_request'; did you mean 'smu7_pcie_performance_request'? [-Werror=implicit-function-declaration]

if (0 == amdgpu_acpi_pcie_performance_request(hwmgr->adev, PCIE_PERF_REQ_GEN3, false)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ smu7_pcie_performance_request cc1: some warnings being treated as errors

vim +3617 drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/smu7_hwmgr.c

3591 3592 static int smu7_request_link_speed_change_before_state_change( 3593 struct pp_hwmgr *hwmgr, const void *input) 3594 { 3595 const struct phm_set_power_state_input *states = 3596 (const struct phm_set_power_state_input *)input; 3597 struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend); 3598 const struct smu7_power_state *smu7_nps = 3599 cast_const_phw_smu7_power_state(states->pnew_state); 3600 const struct smu7_power_state *polaris10_cps = 3601 cast_const_phw_smu7_power_state(states->pcurrent_state); 3602 3603 uint16_t target_link_speed = smu7_get_maximum_link_speed(hwmgr, smu7_nps); 3604 uint16_t current_link_speed; 3605 3606 if (data->force_pcie_gen == PP_PCIEGenInvalid) 3607 current_link_speed = smu7_get_maximum_link_speed(hwmgr, polaris10_cps); 3608 else 3609 current_link_speed = data->force_pcie_gen; 3610 3611 data->force_pcie_gen = PP_PCIEGenInvalid; 3612 data->pspp_notify_required = false; 3613 3614 if (target_link_speed > current_link_speed) { 3615 switch (target_link_speed) { 3616 case PP_PCIEGen3:

3617 if (0 == amdgpu_acpi_pcie_performance_request(hwmgr->adev, PCIE_PERF_REQ_GEN3, false))

3618 break; 3619 data->force_pcie_gen = PP_PCIEGen2; 3620 if (current_link_speed == PP_PCIEGen2) 3621 break; 3622 case PP_PCIEGen2: 3623 if (0 == amdgpu_acpi_pcie_performance_request(hwmgr->adev, PCIE_PERF_REQ_GEN2, false)) 3624 break; 3625 default: 3626 data->force_pcie_gen = smu7_get_current_pcie_speed(hwmgr); 3627 break; 3628 } 3629 } else { 3630 if (target_link_speed < current_link_speed) 3631 data->pspp_notify_required = true; 3632 } 3633 3634 return 0; 3635 } 3636

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