Needed for DPM on KB/KV.
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
---
drivers/gpu/drm/radeon/sumo_dpm.c | 14 ++++++++++++++
drivers/gpu/drm/radeon/sumo_dpm.h | 3 +++
2 files changed, 17 insertions(+)
diff --git a/drivers/gpu/drm/radeon/sumo_dpm.c
b/drivers/gpu/drm/radeon/sumo_dpm.c
index c0a8503..2cefe59 100644
--- a/drivers/gpu/drm/radeon/sumo_dpm.c
+++ b/drivers/gpu/drm/radeon/sumo_dpm.c
@@ -1530,6 +1530,20 @@ u32 sumo_convert_vid2_to_vid7(struct radeon_device *rdev,
return vid_mapping_table->entries[vid_mapping_table->num_entries -
1].vid_7bit;
}
+u32 sumo_convert_vid7_to_vid2(struct radeon_device *rdev,
+ struct sumo_vid_mapping_table *vid_mapping_table,
+ u32 vid_7bit)
+{
+ u32 i;
+
+ for (i = 0; i < vid_mapping_table->num_entries; i++) {
+ if (vid_mapping_table->entries[i].vid_7bit == vid_7bit)
+ return vid_mapping_table->entries[i].vid_2bit;
+ }
+
+ return vid_mapping_table->entries[vid_mapping_table->num_entries -
1].vid_2bit;
+}
+
static u16 sumo_convert_voltage_index_to_value(struct radeon_device *rdev,
u32 vid_2bit)
{
diff --git a/drivers/gpu/drm/radeon/sumo_dpm.h
b/drivers/gpu/drm/radeon/sumo_dpm.h
index 07dda29..db1ea32 100644
--- a/drivers/gpu/drm/radeon/sumo_dpm.h
+++ b/drivers/gpu/drm/radeon/sumo_dpm.h
@@ -202,6 +202,9 @@ void sumo_construct_vid_mapping_table(struct radeon_device
*rdev,
u32 sumo_convert_vid2_to_vid7(struct radeon_device *rdev,
struct sumo_vid_mapping_table *vid_mapping_table,
u32 vid_2bit);
+u32 sumo_convert_vid7_to_vid2(struct radeon_device *rdev,
+ struct sumo_vid_mapping_table *vid_mapping_table,
+ u32 vid_7bit);
u32 sumo_get_sleep_divider_from_id(u32 id);
u32 sumo_get_sleep_divider_id_from_clock(struct radeon_device *rdev,
u32 sclk,
--
1.8.3.1
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