drm/radeon/si: 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>

diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index 8186f43..7826493 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -1967,6 +1967,8 @@ static struct radeon_asic si_asic = {
                .fan_ctrl_get_mode = &si_fan_ctrl_get_mode,
                .get_fan_speed_percent = &si_fan_ctrl_get_fan_speed_percent,
                .set_fan_speed_percent = &si_fan_ctrl_set_fan_speed_percent,
+               .get_current_sclk = &si_dpm_get_current_sclk,
+               .get_current_mclk = &si_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 df70a72..23ba9d7 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -756,6 +756,8 @@ int si_fan_ctrl_set_fan_speed_percent(struct radeon_device *rdev,
                                                 u32 speed);
 u32 si_fan_ctrl_get_mode(struct radeon_device *rdev);
 void si_fan_ctrl_set_mode(struct radeon_device *rdev, u32 mode);
+u32 si_dpm_get_current_sclk(struct radeon_device *rdev);
+u32 si_dpm_get_current_mclk(struct radeon_device *rdev);
 
 /* DCE8 - CIK */
 void dce8_bandwidth_update(struct radeon_device *rdev);

diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c
index 7be1165..b35bccf 100644 (file)
--- a/drivers/gpu/drm/radeon/si_dpm.c
+++ b/drivers/gpu/drm/radeon/si_dpm.c
@@ -6993,3 +6993,39 @@ void si_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,
                           current_index, pl->sclk, pl->mclk, pl->vddc, pl->vddci, pl->pcie_gen + 1);
        }
 }
+
+u32 si_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 ni_ps *ps = ni_get_ps(rps);
+       struct rv7xx_pl *pl;
+       u32 current_index =
+               (RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_STATE_INDEX_MASK) >>
+               CURRENT_STATE_INDEX_SHIFT;
+
+       if (current_index >= ps->performance_level_count) {
+               return 0;
+       } else {
+               pl = &ps->performance_levels[current_index];
+               return pl->sclk;
+       }
+}
+
+u32 si_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 ni_ps *ps = ni_get_ps(rps);
+       struct rv7xx_pl *pl;
+       u32 current_index =
+               (RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_STATE_INDEX_MASK) >>
+               CURRENT_STATE_INDEX_SHIFT;
+
+       if (current_index >= ps->performance_level_count) {
+               return 0;
+       } else {
+               pl = &ps->performance_levels[current_index];
+               return pl->mclk;
+       }
+}