From 03243fc6568b3fa02de8de05daa02f021f16c3e4 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Fri, 19 Apr 2013 13:29:43 -0400 Subject: [PATCH] drm/radeon/sumo add helper to go from vid7 to vid2 Needed for DPM on KB/KV. Signed-off-by: Alex Deucher --- 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, -- 2.7.4