From e76d3630810b0ac5b07aa7ef28428c1bc2d10861 Mon Sep 17 00:00:00 2001
From: Ben Widawsky <ben@bwidawsk.net>
Date: Sat, 19 Mar 2011 18:14:29 -0700
Subject: [PATCH] drm/i915: debugfs for context information
Currently this is only useful for the rc6 stuff. But this would also be
useful when I finally get around to the logical context + ppgtt stuff.
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Keith Packard <keithp@keithp.com>
---
drivers/gpu/drm/i915/i915_debugfs.c | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 87c8e29465e3..289dcbc81054 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -1186,6 +1186,30 @@ static int i915_gem_framebuffer_info(struct seq_file *m, void *data)
return 0;
}
+static int i915_context_status(struct seq_file *m, void *unused)
+{
+ struct drm_info_node *node = (struct drm_info_node *) m->private;
+ struct drm_device *dev = node->minor->dev;
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ int ret;
+
+ ret = mutex_lock_interruptible(&dev->mode_config.mutex);
+ if (ret)
+ return ret;
+
+ seq_printf(m, "power context ");
+ describe_obj(m, dev_priv->pwrctx);
+ seq_printf(m, "\n");
+
+ seq_printf(m, "render context ");
+ describe_obj(m, dev_priv->renderctx);
+ seq_printf(m, "\n");
+
+ mutex_unlock(&dev->mode_config.mutex);
+
+ return 0;
+}
+
static int
i915_wedged_open(struct inode *inode,
struct file *filp)
@@ -1324,6 +1348,7 @@ static struct drm_info_list i915_debugfs_list[] = {
{"i915_sr_status", i915_sr_status, 0},
{"i915_opregion", i915_opregion, 0},
{"i915_gem_framebuffer", i915_gem_framebuffer_info, 0},
+ {"i915_context_status", i915_context_status, 0},
};
#define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list)
--
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