drm/radeon/dpm: add debugfs support for rv6xx

[linux-imx.git] / drivers / gpu / drm / radeon / rv6xx_dpm.c

diff --git a/drivers/gpu/drm/radeon/rv6xx_dpm.c b/drivers/gpu/drm/radeon/rv6xx_dpm.c
index 0e8b7d9b954b52878f70fcb6c9d810fefb675d18..33705c5c83690a1e888bd31f6eb45905b2a9cdad 100644 (file)
--- a/drivers/gpu/drm/radeon/rv6xx_dpm.c
+++ b/drivers/gpu/drm/radeon/rv6xx_dpm.c
@@ -2027,6 +2027,31 @@ void rv6xx_dpm_print_power_state(struct radeon_device *rdev,
        r600_dpm_print_ps_status(rdev, rps);
 }
 
+void rv6xx_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,
+                                                      struct seq_file *m)
+{
+       struct radeon_ps *rps = rdev->pm.dpm.current_ps;
+       struct rv6xx_ps *ps = rv6xx_get_ps(rps);
+       struct rv6xx_pl *pl;
+       u32 current_index =
+               (RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_PROFILE_INDEX_MASK) >>
+               CURRENT_PROFILE_INDEX_SHIFT;
+
+       if (current_index > 2) {
+               seq_printf(m, "invalid dpm profile %d\n", current_index);
+       } else {
+               if (current_index == 0)
+                       pl = &ps->low;
+               else if (current_index == 1)
+                       pl = &ps->medium;
+               else /* current_index == 2 */
+                       pl = &ps->high;
+               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\n",
+                          current_index, pl->sclk, pl->mclk, pl->vddc);
+       }
+}
+
 void rv6xx_dpm_fini(struct radeon_device *rdev)
 {
        int i;