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Commit ecd8faea authored by Ben Widawsky's avatar Ben Widawsky Committed by Daniel Vetter
Browse files

drm/i915: Add rc6vids to debugfs 



CC: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: default avatarBen Widawsky <ben@bwidawsk.net>
Reviewed-by: default avatarJesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent 31643d54

drivers/gpu/drm/i915/i915_debugfs.c

+8 −1
Original line number Diff line number Diff line
@@ -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;

}