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drm/i915: Add a debugfs file for the shared dpll state 

Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter 2014-06-25 22:01:53 +03:00
parent abfdc1e375
commit 728e29d7f1
1 changed files with 26 additions and 0 deletions
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26
drivers/gpu/drm/i915/i915_debugfs.c
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@ -2369,6 +2369,31 @@ static int i915_semaphore_status(struct seq_file *m, void *unused)
return 0;
}
static int i915_shared_dplls_info(struct seq_file *m, void *unused)
{
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;
int i;
drm_modeset_lock_all(dev);
for (i = 0; i < dev_priv->num_shared_dpll; i++) {
struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i];
seq_printf(m, "DPLL%i: %s, id: %i\n", i, pll->name, pll->id);
seq_printf(m, " refcount: %i, active: %i, on: %s\n", pll->refcount,
pll->active, yesno(pll->on));
seq_printf(m, " tracked hardware state:\n");
seq_printf(m, " dpll: 0x%08x\n", pll->hw_state.dpll);
seq_printf(m, " dpll_md: 0x%08x\n", pll->hw_state.dpll_md);
seq_printf(m, " fp0: 0x%08x\n", pll->hw_state.fp0);
seq_printf(m, " fp1: 0x%08x\n", pll->hw_state.fp1);
}
drm_modeset_unlock_all(dev);
return 0;
}
struct pipe_crc_info {
const char *name;
struct drm_device *dev;
@ -3875,6 +3900,7 @@ static const struct drm_info_list i915_debugfs_list[] = {
{"i915_power_domain_info", i915_power_domain_info, 0},
{"i915_display_info", i915_display_info, 0},
{"i915_semaphore_status", i915_semaphore_status, 0},
{"i915_shared_dplls_info", i915_shared_dplls_info, 0},
};
#define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list)