Commit 03243fc6 authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/radeon/sumo add helper to go from vid7 to vid2 



Needed for DPM on KB/KV.

Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 1d58234d

drivers/gpu/drm/radeon/sumo_dpm.c

+14 −0
Original line number Diff line number Diff line
@@ -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)

{

drivers/gpu/drm/radeon/sumo_dpm.h

+3 −0
Original line number Diff line number Diff line
@@ -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,