drm/radeon/kv: 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>

3 files changed, 27 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/kv_dpm.c b/drivers/gpu/drm/radeon/kv_dpm.c
index 0e236d067d66..2d71da448487 100644
--- a/drivers/gpu/drm/radeon/kv_dpm.c
+++ b/drivers/gpu/drm/radeon/kv_dpm.c
@@ -2820,6 +2820,29 @@ void kv_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,
         }
 }
 
+u32 kv_dpm_get_current_sclk(struct radeon_device *rdev)
+{
+        struct kv_power_info *pi = kv_get_pi(rdev);
+        u32 current_index =
+                (RREG32_SMC(TARGET_AND_CURRENT_PROFILE_INDEX) & CURR_SCLK_INDEX_MASK) >>
+                CURR_SCLK_INDEX_SHIFT;
+        u32 sclk;
+
+        if (current_index >= SMU__NUM_SCLK_DPM_STATE) {
+                return 0;
+        } else {
+                sclk = be32_to_cpu(pi->graphics_level[current_index].SclkFrequency);
+                return sclk;
+        }
+}
+
+u32 kv_dpm_get_current_mclk(struct radeon_device *rdev)
+{
+        struct kv_power_info *pi = kv_get_pi(rdev);
+
+        return pi->sys_info.bootup_uma_clk;
+}
+
 void kv_dpm_print_power_state(struct radeon_device *rdev,
                               struct radeon_ps *rps)
 {
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index ce0cbd5823e9..466a7715e286 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -2249,6 +2249,8 @@ static struct radeon_asic kv_asic = {
                 .force_performance_level = &kv_dpm_force_performance_level,
                 .powergate_uvd = &kv_dpm_powergate_uvd,
                 .enable_bapm = &kv_dpm_enable_bapm,
+                .get_current_sclk = &kv_dpm_get_current_sclk,
+                .get_current_mclk = &kv_dpm_get_current_mclk,
         },
         .pflip = {
                 .page_flip = &evergreen_page_flip,
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index bab229377264..4259daf94d91 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -908,6 +908,8 @@ int kv_dpm_force_performance_level(struct radeon_device *rdev,
                                    enum radeon_dpm_forced_level level);
 void kv_dpm_powergate_uvd(struct radeon_device *rdev, bool gate);
 void kv_dpm_enable_bapm(struct radeon_device *rdev, bool enable);
+u32 kv_dpm_get_current_sclk(struct radeon_device *rdev);
+u32 kv_dpm_get_current_mclk(struct radeon_device *rdev);
 
 /* uvd v1.0 */
 uint32_t uvd_v1_0_get_rptr(struct radeon_device *rdev,