Commit 9a851789 authored by Daniel Vetter's avatar Daniel Vetter

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).
Reviewed-by: default avatarPaulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@intel.com>
parent 27e78a2a
No related merge requests found
......@@ -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;
......@@ -5021,6 +5036,7 @@ 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},
......
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