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| author |   Alex Deucher <alexander.deucher@amd.com> | 2013-04-19 13:29:43 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-08-30 16:30:10 -0400 |
| commit | 03243fc6568b3fa02de8de05daa02f021f16c3e4 (patch) | |
| tree | 98bb8381a9d8b6975f090d95c2d0a9bc70c30a70 | |
| parent | drm/radeon: add indirect accessors for dift registers on CIK (diff) | |
| download | linux-dev-03243fc6568b3fa02de8de05daa02f021f16c3e4.tar.xz linux-dev-03243fc6568b3fa02de8de05daa02f021f16c3e4.zip | |
drm/radeon/sumo add helper to go from vid7 to vid2
Needed for DPM on KB/KV.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/radeon/sumo_dpm.c | 14 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/sumo_dpm.h | 3 |
2 files changed, 17 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/sumo_dpm.c b/drivers/gpu/drm/radeon/sumo_dpm.c index c0a850319908..2cefe59ef586 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 07dda299c784..db1ea32a907b 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, |