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| author | Daniel Vetter | 2014-06-25 21:01:53 +0200 |
|---|---|---|
| committer | Daniel Vetter | 2014-07-10 22:07:30 +0200 |
| commit | 728e29d7f1edb7b0951a8c7a0201adf12bf9d867 (patch) | |
| tree | 2215fd89d9ff9c8381c82f66d8089179c553a24d /drivers/gpu/drm/i915/i915_debugfs.c | |
| parent | drm/i915: Move SPLL disabling into hsw_crt_post_disable (diff) | |
| download | kernel-qcow2-linux-728e29d7f1edb7b0951a8c7a0201adf12bf9d867.tar.gz kernel-qcow2-linux-728e29d7f1edb7b0951a8c7a0201adf12bf9d867.tar.xz kernel-qcow2-linux-728e29d7f1edb7b0951a8c7a0201adf12bf9d867.zip | |
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>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_debugfs.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_debugfs.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 952f19949be1..f22a81dba64a 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -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) |