drm/i915: Add rc6vids to debugfs
CC: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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 66475855..3c5710f9 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -1069,7 +1069,7 @@
struct drm_info_node *node = (struct drm_info_node *) m->private;
struct drm_device *dev = node->minor->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- u32 rpmodectl1, gt_core_status, rcctl1;
+ u32 rpmodectl1, gt_core_status, rcctl1, rc6vids = 0;
unsigned forcewake_count;
int count=0, ret;
@@ -1097,6 +1097,7 @@
rpmodectl1 = I915_READ(GEN6_RP_CONTROL);
rcctl1 = I915_READ(GEN6_RC_CONTROL);
+ sandybridge_pcode_read(dev_priv, GEN6_PCODE_READ_RC6VIDS, &rc6vids);
mutex_unlock(&dev->struct_mutex);
seq_printf(m, "Video Turbo Mode: %s\n",
@@ -1149,6 +1150,12 @@
seq_printf(m, "RC6++ residency since boot: %u\n",
I915_READ(GEN6_GT_GFX_RC6pp));
+ seq_printf(m, "RC6 voltage: %dmV\n",
+ GEN6_DECODE_RC6_VID(((rc6vids >> 0) & 0xff)));
+ seq_printf(m, "RC6+ voltage: %dmV\n",
+ GEN6_DECODE_RC6_VID(((rc6vids >> 8) & 0xff)));
+ seq_printf(m, "RC6++ voltage: %dmV\n",
+ GEN6_DECODE_RC6_VID(((rc6vids >> 16) & 0xff)));
return 0;
}