drm/radeon: add atom get leakage vddc function

Required for DPM on SI.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

2 files changed, 10 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index be79a4d8bd27..706b018e019e 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -233,6 +233,9 @@ int radeon_atom_get_voltage_step(struct radeon_device *rdev,
                                  u8 voltage_type, u16 *voltage_step);
 int radeon_atom_get_max_vddc(struct radeon_device *rdev, u8 voltage_type,
                              u16 voltage_id, u16 *voltage);
+int radeon_atom_get_leakage_vddc_based_on_leakage_idx(struct radeon_device *rdev,
+                                                      u16 *voltage,
+                                                      u16 leakage_idx);
 int radeon_atom_round_to_true_voltage(struct radeon_device *rdev,
                                       u8 voltage_type,
                                       u16 nominal_voltage,
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 830c5580532d..0ac7294867a3 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -3062,6 +3062,13 @@ int radeon_atom_get_max_vddc(struct radeon_device *rdev, u8 voltage_type,
         return 0;
 }
 
+int radeon_atom_get_leakage_vddc_based_on_leakage_idx(struct radeon_device *rdev,
+                                                      u16 *voltage,
+                                                      u16 leakage_idx)
+{
+        return radeon_atom_get_max_vddc(rdev, VOLTAGE_TYPE_VDDC, leakage_idx, voltage);
+}
+
 int radeon_atom_get_voltage_gpio_settings(struct radeon_device *rdev,
                                           u16 voltage_level, u8 voltage_type,
                                           u32 *gpio_value, u32 *gpio_mask)