From ecd8faeac4897619e6b26fbcdce62bb732d5a571 Mon Sep 17 00:00:00 2001 From: Ben Widawsky Date: Wed, 26 Sep 2012 10:34:02 -0700 Subject: [PATCH] drm/i915: Add rc6vids to debugfs CC: Jesse Barnes Signed-off-by: Ben Widawsky Reviewed-by: Jesse Barnes Signed-off-by: Daniel Vetter --- 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 66475855c0ec..3c5710f95a1d 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; } -- 2.30.2