diff options
| author | Dave Airlie <airlied@redhat.com> | 2014-05-12 15:22:27 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2014-05-29 13:43:23 +1000 |
| commit | 91c403ffa85f17b8e349a510f3c32226a025da89 (patch) | |
| tree | a36d6bb00459de5a4c0c6b59f602f0a6ffb4a69c | |
| parent | b93782534790d55b9e6d4fee1da193592765b3f6 (diff) | |
i915: mst topology dumper in debugfs (v0.2)drm-i915-mst-v3.14
use the mst helper code to dump the topology in debugfs.
v0.2: drop is_mst check - as we want to dump other info
Signed-off-by: Dave Airlie <airlied@redhat.com>
Conflicts:
drivers/gpu/drm/i915/i915_debugfs.c
| -rw-r--r-- | drivers/gpu/drm/i915/i915_debugfs.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index b2b46c52294c..96cac161f1e7 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -2014,6 +2014,28 @@ struct pipe_crc_info { enum pipe pipe; }; +static int i915_dp_mst_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_encoder *encoder; + struct intel_encoder *intel_encoder; + struct intel_digital_port *intel_dig_port; + drm_modeset_lock_all(dev); + list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { + intel_encoder = to_intel_encoder(encoder); + if (intel_encoder->type != INTEL_OUTPUT_DISPLAYPORT) + continue; + intel_dig_port = enc_to_dig_port(encoder); + if (!intel_dig_port->dp.can_mst) + continue; + + drm_dp_mst_dump_topology(m, &intel_dig_port->dp.mst_mgr); + } + drm_modeset_unlock_all(dev); + return 0; +} + static int i915_pipe_crc_open(struct inode *inode, struct file *filep) { struct pipe_crc_info *info = inode->i_private; @@ -3251,6 +3273,7 @@ static const struct drm_info_list i915_debugfs_list[] = { {"i915_energy_uJ", i915_energy_uJ, 0}, {"i915_pc8_status", i915_pc8_status, 0}, {"i915_power_domain_info", i915_power_domain_info, 0}, + {"i915_dp_mst_info", i915_dp_mst_info, 0}, }; #define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list) |