Not currently used.
Signed-off-by: Alex Deucher <alexander.deucher at 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)
--
1.8.3.1
