Not currently used.
Signed-off-by: Alex Deucher alexander.deucher@amd.com --- drivers/gpu/drm/radeon/ci_dpm.c | 27 +++++++++++++++++++++++++++ drivers/gpu/drm/radeon/ci_dpm.h | 1 + drivers/gpu/drm/radeon/ppsmc.h | 3 +++ 3 files changed, 31 insertions(+)
diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c index 4581d6c..8312140 100644 --- a/drivers/gpu/drm/radeon/ci_dpm.c +++ b/drivers/gpu/drm/radeon/ci_dpm.c @@ -714,6 +714,25 @@ static int ci_enable_smc_cac(struct radeon_device *rdev, bool enable) return ret; }
+static int ci_enable_thermal_based_sclk_dpm(struct radeon_device *rdev, + bool enable) +{ + struct ci_power_info *pi = ci_get_pi(rdev); + PPSMC_Result smc_result = PPSMC_Result_OK; + + if (pi->thermal_sclk_dpm_enabled) { + if (enable) + smc_result = ci_send_msg_to_smc(rdev, PPSMC_MSG_ENABLE_THERMAL_DPM); + else + smc_result = ci_send_msg_to_smc(rdev, PPSMC_MSG_DISABLE_THERMAL_DPM); + } + + if (smc_result == PPSMC_Result_OK) + return 0; + else + return -EINVAL; +} + static int ci_power_control_set_level(struct radeon_device *rdev) { struct ci_power_info *pi = ci_get_pi(rdev); @@ -5177,6 +5196,12 @@ int ci_dpm_enable(struct radeon_device *rdev)
ci_enable_auto_throttle_source(rdev, RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL, true);
+ ret = ci_enable_thermal_based_sclk_dpm(rdev, true); + if (ret) { + DRM_ERROR("ci_enable_thermal_based_sclk_dpm failed\n"); + return ret; + } + ci_thermal_start_thermal_controller(rdev);
ci_update_current_ps(rdev, boot_ps); @@ -5240,6 +5265,7 @@ void ci_dpm_disable(struct radeon_device *rdev) ci_reset_to_default(rdev); ci_dpm_stop_smc(rdev); ci_force_switch_to_arb_f0(rdev); + ci_enable_thermal_based_sclk_dpm(rdev, false);
ci_update_current_ps(rdev, boot_ps); } @@ -5639,6 +5665,7 @@ int ci_dpm_init(struct radeon_device *rdev) pi->sclk_dpm_key_disabled = 0; pi->mclk_dpm_key_disabled = 0; pi->pcie_dpm_key_disabled = 0; + pi->thermal_sclk_dpm_enabled = 0;
/* mclk dpm is unstable on some R7 260X cards with the old mc ucode */ if ((rdev->pdev->device == 0x6658) && diff --git a/drivers/gpu/drm/radeon/ci_dpm.h b/drivers/gpu/drm/radeon/ci_dpm.h index bb19fbf..84e3d3b 100644 --- a/drivers/gpu/drm/radeon/ci_dpm.h +++ b/drivers/gpu/drm/radeon/ci_dpm.h @@ -239,6 +239,7 @@ struct ci_power_info { u32 sclk_dpm_key_disabled; u32 mclk_dpm_key_disabled; u32 pcie_dpm_key_disabled; + u32 thermal_sclk_dpm_enabled; struct ci_pcie_perf_range pcie_gen_performance; struct ci_pcie_perf_range pcie_lane_performance; struct ci_pcie_perf_range pcie_gen_powersaving; diff --git a/drivers/gpu/drm/radeon/ppsmc.h b/drivers/gpu/drm/radeon/ppsmc.h index ff698b0..7e5724a 100644 --- a/drivers/gpu/drm/radeon/ppsmc.h +++ b/drivers/gpu/drm/radeon/ppsmc.h @@ -162,6 +162,9 @@ typedef uint8_t PPSMC_Result; #define PPSMC_MSG_Remove_DC_Clamp ((uint16_t) 0x191) #define PPSMC_MSG_SetFanPwmMax ((uint16_t) 0x19A)
+#define PPSMC_MSG_ENABLE_THERMAL_DPM ((uint16_t) 0x19C) +#define PPSMC_MSG_DISABLE_THERMAL_DPM ((uint16_t) 0x19D) + #define PPSMC_MSG_API_GetSclkFrequency ((uint16_t) 0x200) #define PPSMC_MSG_API_GetMclkFrequency ((uint16_t) 0x201)