when echo "01">pp_dpm_pcie the pcie dpm will fix in highest link speed. But user should expect auto speed between level 0 and level1
Change-Id: I89b8fef3c179c3729b1c06b17e9cb86b52244d7b Signed-off-by: Rex Zhu <[email protected]> --- drivers/gpu/drm/amd/amdgpu/ci_dpm.c | 17 ++++++++++------- drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c | 17 ++++++++++------- 2 files changed, 20 insertions(+), 14 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/ci_dpm.c b/drivers/gpu/drm/amd/amdgpu/ci_dpm.c index 5f61e70..f82f40f 100644 --- a/drivers/gpu/drm/amd/amdgpu/ci_dpm.c +++ b/drivers/gpu/drm/amd/amdgpu/ci_dpm.c @@ -6642,6 +6642,9 @@ static int ci_dpm_force_clock_level(void *handle, if (adev->pm.dpm.forced_level != AMD_DPM_FORCED_LEVEL_MANUAL) return -EINVAL; + if (mask == 0) + return -EINVAL; + switch (type) { case PP_SCLK: if (!pi->sclk_dpm_key_disabled) @@ -6660,15 +6663,15 @@ static int ci_dpm_force_clock_level(void *handle, case PP_PCIE: { uint32_t tmp = mask & pi->dpm_level_enable_mask.pcie_dpm_enable_mask; - uint32_t level = 0; - while (tmp >>= 1) - level++; - - if (!pi->pcie_dpm_key_disabled) - amdgpu_ci_send_msg_to_smc_with_parameter(adev, + if (!pi->pcie_dpm_key_disabled) { + if (fls(tmp) != ffs(tmp)) + amdgpu_ci_send_msg_to_smc(adev, PPSMC_MSG_PCIeDPM_UnForceLevel); + else + amdgpu_ci_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_PCIeDPM_ForceLevel, - level); + fls(tmp) - 1); + } break; } default: diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c index 0c2e025..c59cb94 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c @@ -4296,6 +4296,9 @@ static int smu7_force_clock_level(struct pp_hwmgr *hwmgr, { struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend); + if (mask == 0) + return -EINVAL; + switch (type) { case PP_SCLK: if (!data->sclk_dpm_key_disabled) @@ -4312,15 +4315,15 @@ static int smu7_force_clock_level(struct pp_hwmgr *hwmgr, case PP_PCIE: { uint32_t tmp = mask & data->dpm_level_enable_mask.pcie_dpm_enable_mask; - uint32_t level = 0; - while (tmp >>= 1) - level++; - - if (!data->pcie_dpm_key_disabled) - smum_send_msg_to_smc_with_parameter(hwmgr, + if (!data->pcie_dpm_key_disabled) { + if (fls(tmp) != ffs(tmp)) + smum_send_msg_to_smc(hwmgr, PPSMC_MSG_PCIeDPM_UnForceLevel); + else + smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_PCIeDPM_ForceLevel, - level); + fls(tmp) - 1); + } break; } default: -- 1.9.1 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
