drm/radeon/dpm: add debugfs support for cayman

[linux-imx.git] / drivers / gpu / drm / radeon / ni_dpm.c

diff --git a/drivers/gpu/drm/radeon/ni_dpm.c b/drivers/gpu/drm/radeon/ni_dpm.c
index 777d17e613120954ff34667d3d4d9203eb744dd1..8497ca6bb0b160cdd54d70d0faab2cc8b9f7480e 100644 (file)
--- a/drivers/gpu/drm/radeon/ni_dpm.c
+++ b/drivers/gpu/drm/radeon/ni_dpm.c
@@ -1036,7 +1036,6 @@ static int ni_restrict_performance_levels_before_switch(struct radeon_device *rd
                0 : -EINVAL;
 }
 
-#if 0
 static int ni_unrestrict_performance_levels_after_switch(struct radeon_device *rdev)
 {
        if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetForcedLevels, 0) != PPSMC_Result_OK)
@@ -1045,7 +1044,6 @@ static int ni_unrestrict_performance_levels_after_switch(struct radeon_device *r
        return (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetEnabledLevels, 0) == PPSMC_Result_OK) ?
                0 : -EINVAL;
 }
-#endif
 
 static void ni_stop_smc(struct radeon_device *rdev)
 {
@@ -3832,14 +3830,11 @@ int ni_dpm_set_power_state(struct radeon_device *rdev)
                return ret;
        }
 
-#if 0
-       /* XXX */
        ret = ni_unrestrict_performance_levels_after_switch(rdev);
        if (ret) {
                DRM_ERROR("ni_unrestrict_performance_levels_after_switch failed\n");
                return ret;
        }
-#endif
 
        return 0;
 }
@@ -4292,6 +4287,26 @@ void ni_dpm_print_power_state(struct radeon_device *rdev,
        r600_dpm_print_ps_status(rdev, rps);
 }
 
+void ni_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,
+                                                   struct seq_file *m)
+{
+       struct radeon_ps *rps = rdev->pm.dpm.current_ps;
+       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) {
+               seq_printf(m, "invalid dpm profile %d\n", current_index);
+       } else {
+               pl = &ps->performance_levels[current_index];
+               seq_printf(m, "uvd    vclk: %d dclk: %d\n", rps->vclk, rps->dclk);
+               seq_printf(m, "power level %d    sclk: %u mclk: %u vddc: %u vddci: %u\n",
+                          current_index, pl->sclk, pl->mclk, pl->vddc, pl->vddci);
+       }
+}
+
 u32 ni_dpm_get_sclk(struct radeon_device *rdev, bool low)
 {
        struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);