Hi Rex,
FYI, the error/warning still remains.
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
---
0-DAY kernel test infrastructure Open Source Technology Center
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