Will be used for exposing current clocks via INFO ioctl.

Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/radeon/btc_dpm.c     | 46 ++++++++++++++++++++++++++++++++++++
 drivers/gpu/drm/radeon/radeon_asic.c |  2 ++
 drivers/gpu/drm/radeon/radeon_asic.h |  2 ++
 3 files changed, 50 insertions(+)

diff --git a/drivers/gpu/drm/radeon/btc_dpm.c b/drivers/gpu/drm/radeon/btc_dpm.c
index 300d971..38f6035 100644
--- a/drivers/gpu/drm/radeon/btc_dpm.c
+++ b/drivers/gpu/drm/radeon/btc_dpm.c
@@ -2741,6 +2741,52 @@ void 
btc_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,
        }
 }

+u32 btc_dpm_get_current_sclk(struct radeon_device *rdev)
+{
+       struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
+       struct radeon_ps *rps = &eg_pi->current_rps;
+       struct rv7xx_ps *ps = rv770_get_ps(rps);
+       struct rv7xx_pl *pl;
+       u32 current_index =
+               (RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & 
CURRENT_PROFILE_INDEX_MASK) >>
+               CURRENT_PROFILE_INDEX_SHIFT;
+
+       if (current_index > 2) {
+               return 0;
+       } else {
+               if (current_index == 0)
+                       pl = &ps->low;
+               else if (current_index == 1)
+                       pl = &ps->medium;
+               else /* current_index == 2 */
+                       pl = &ps->high;
+               return pl->sclk;
+       }
+}
+
+u32 btc_dpm_get_current_mclk(struct radeon_device *rdev)
+{
+       struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
+       struct radeon_ps *rps = &eg_pi->current_rps;
+       struct rv7xx_ps *ps = rv770_get_ps(rps);
+       struct rv7xx_pl *pl;
+       u32 current_index =
+               (RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & 
CURRENT_PROFILE_INDEX_MASK) >>
+               CURRENT_PROFILE_INDEX_SHIFT;
+
+       if (current_index > 2) {
+               return 0;
+       } else {
+               if (current_index == 0)
+                       pl = &ps->low;
+               else if (current_index == 1)
+                       pl = &ps->medium;
+               else /* current_index == 2 */
+                       pl = &ps->high;
+               return pl->mclk;
+       }
+}
+
 u32 btc_dpm_get_sclk(struct radeon_device *rdev, bool low)
 {
        struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c 
b/drivers/gpu/drm/radeon/radeon_asic.c
index aae302e..bafc7bc 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -1567,6 +1567,8 @@ static struct radeon_asic btc_asic = {
                .debugfs_print_current_performance_level = 
&btc_dpm_debugfs_print_current_performance_level,
                .force_performance_level = &rv770_dpm_force_performance_level,
                .vblank_too_short = &btc_dpm_vblank_too_short,
+               .get_current_sclk = &btc_dpm_get_current_sclk,
+               .get_current_mclk = &btc_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 15e9312..44ebae6 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -573,6 +573,8 @@ u32 btc_dpm_get_mclk(struct radeon_device *rdev, bool low);
 bool btc_dpm_vblank_too_short(struct radeon_device *rdev);
 void btc_dpm_debugfs_print_current_performance_level(struct radeon_device 
*rdev,
                                                     struct seq_file *m);
+u32 btc_dpm_get_current_sclk(struct radeon_device *rdev);
+u32 btc_dpm_get_current_mclk(struct radeon_device *rdev);
 int sumo_dpm_init(struct radeon_device *rdev);
 int sumo_dpm_enable(struct radeon_device *rdev);
 int sumo_dpm_late_enable(struct radeon_device *rdev);
-- 
1.8.3.1

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