On Wed, 26 Sep 2012 10:34:02 -0700 Ben Widawsky <ben at bwidawsk.net> wrote: > CC: Jesse Barnes <jbarnes at virtuousgeek.org> > Signed-off-by: Ben Widawsky <ben at bwidawsk.net> > --- > drivers/gpu/drm/i915/i915_debugfs.c | 9 ++++++++- > 1 file changed, 8 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c > index 6647585..3c5710f 100644 > --- a/drivers/gpu/drm/i915/i915_debugfs.c > +++ b/drivers/gpu/drm/i915/i915_debugfs.c > @@ -1069,7 +1069,7 @@ static int gen6_drpc_info(struct seq_file *m) > 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 @@ static int gen6_drpc_info(struct seq_file *m) > > 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 @@ static int gen6_drpc_info(struct seq_file *m) > 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; > } > Nice. Reviewed-by: Jesse Barnes <jbarnes at virtuousgeek.org> -- Jesse Barnes, Intel Open Source Technology Center
