drm/radeon/sumo: implement get_current_sclk/mclk

Will be used for exposing current clocks via INFO ioctl.

Tested-by: Marek Olšák <marek.olsak@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 28 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/sumo_dpm.c b/drivers/gpu/drm/radeon/sumo_dpm.c
index 25fd4ced36c8..cd0862809adf 100644
--- a/drivers/gpu/drm/radeon/sumo_dpm.c
+++ b/drivers/gpu/drm/radeon/sumo_dpm.c
@@ -1837,6 +1837,34 @@ void sumo_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev
         }
 }
 
+u32 sumo_dpm_get_current_sclk(struct radeon_device *rdev)
+{
+        struct sumo_power_info *pi = sumo_get_pi(rdev);
+        struct radeon_ps *rps = &pi->current_rps;
+        struct sumo_ps *ps = sumo_get_ps(rps);
+        struct sumo_pl *pl;
+        u32 current_index =
+                (RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURR_INDEX_MASK) >>
+                CURR_INDEX_SHIFT;
+
+        if (current_index == BOOST_DPM_LEVEL) {
+                pl = &pi->boost_pl;
+                return pl->sclk;
+        } else if (current_index >= ps->num_levels) {
+                return 0;
+        } else {
+                pl = &ps->levels[current_index];
+                return pl->sclk;
+        }
+}
+
+u32 sumo_dpm_get_current_mclk(struct radeon_device *rdev)
+{
+        struct sumo_power_info *pi = sumo_get_pi(rdev);
+
+        return pi->sys_info.bootup_uma_clk;
+}
+
 void sumo_dpm_fini(struct radeon_device *rdev)
 {
         int i;