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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>
This commit is contained in:
Ben Widawsky 2011-03-19 18:14:29 -07:00 committed by Keith Packard
parent 7df8721beb
commit e76d363081
1 changed files with 25 additions and 0 deletions
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25
drivers/gpu/drm/i915/i915_debugfs.c
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@ -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)