diff options
| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2015-06-17 10:30:55 +0200 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2015-06-17 10:30:55 +0200 |
| commit | b6a9fc3b1eb66018572f44e1686b389bc5a5644a (patch) | |
| tree | 7cf5486f80e45d1470c17d41346c7fd325b28395 | |
| parent | 70eacbceafce3e6b37de658f1d42a9d16c2f955a (diff) | |
drm/i915: debugfs for frontbuffer tracking
Useful to figure out whether stuck bits are due to the frontbuffer
tracking code as opposed to individual consumers (who have their own
bitmask tracking).
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
| -rw-r--r-- | drivers/gpu/drm/i915/i915_debugfs.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index c49fe2afa223..f3b80627d5b7 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -1581,6 +1581,21 @@ static int i915_drpc_info(struct seq_file *m, void *unused) return ironlake_drpc_info(m); } +static int i915_frontbuffer_tracking(struct seq_file *m, void *unused) +{ + struct drm_info_node *node = m->private; + struct drm_device *dev = node->minor->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + + seq_printf(m, "FB tracking busy bits: 0x%08x\n", + dev_priv->fb_tracking.busy_bits); + + seq_printf(m, "FB tracking flip bits: 0x%08x\n", + dev_priv->fb_tracking.flip_bits); + + return 0; +} + static int i915_fbc_status(struct seq_file *m, void *unused) { struct drm_info_node *node = m->private; @@ -5024,6 +5039,7 @@ static const struct drm_info_list i915_debugfs_list[] = { {"i915_drpc_info", i915_drpc_info, 0}, {"i915_emon_status", i915_emon_status, 0}, {"i915_ring_freq_table", i915_ring_freq_table, 0}, + {"i915_frontbuffer_tracking", i915_frontbuffer_tracking, 0}, {"i915_fbc_status", i915_fbc_status, 0}, {"i915_ips_status", i915_ips_status, 0}, {"i915_sr_status", i915_sr_status, 0}, |