drm/i915: vlv: add RC6 residency counters

Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 1e83ae4..02f1b39 100644 (file)
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -1261,6 +1261,11 @@ static int vlv_drpc_info(struct seq_file *m)
                        (I915_READ(VLV_GTLC_PW_STATUS) &
                                VLV_GTLC_PW_MEDIA_STATUS_MASK) ? "Up" : "Down");
 
+       seq_printf(m, "Render RC6 residency since boot: %u\n",
+                  I915_READ(VLV_GT_RENDER_RC6));
+       seq_printf(m, "Media RC6 residency since boot: %u\n",
+                  I915_READ(VLV_GT_MEDIA_RC6));
+
        spin_lock_irq(&dev_priv->uncore.lock);
        fw_rendercount = dev_priv->uncore.fw_rendercount;
        fw_mediacount = dev_priv->uncore.fw_mediacount;

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index bb60e50..0eff337 100644 (file)
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -5137,6 +5137,9 @@ enum punit_power_well {
 #define   VLV_MEDIA_RC6_COUNT_EN               (1<<1)
 #define   VLV_RENDER_RC6_COUNT_EN              (1<<0)
 #define GEN6_GT_GFX_RC6                                0x138108
+#define VLV_GT_RENDER_RC6                      0x138108
+#define VLV_GT_MEDIA_RC6                       0x13810C
+
 #define GEN6_GT_GFX_RC6p                       0x13810C
 #define GEN6_GT_GFX_RC6pp                      0x138110