openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

drm/i915: Use drm_modeset_lock_all() in debugfs display info 

Make out life easier by just grabbing all modeset locks around
the display_info dump.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191129185434.25549-7-ville.syrjala@linux.intel.com
Reviewed-by: Ramalingam C <ramalingam.c@intel.com>
This commit is contained in:
Ville Syrjälä 2019-11-29 20:54:31 +02:00
parent 5244221ee8
commit 3ff11a0ab5
1 changed files with 5 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/gpu/drm/i915/i915_debugfs.c
View File

@ -2667,23 +2667,22 @@ static int i915_display_info(struct seq_file *m, void *unused)
wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm);
drm_modeset_lock_all(dev);
seq_printf(m, "CRTC info\n");
seq_printf(m, "---------\n");
for_each_intel_crtc(dev, crtc) {
drm_modeset_lock(&crtc->base.mutex, NULL);
for_each_intel_crtc(dev, crtc)
intel_crtc_info(m, crtc);
drm_modeset_unlock(&crtc->base.mutex);
}
seq_printf(m, "\n");
seq_printf(m, "Connector info\n");
seq_printf(m, "--------------\n");
mutex_lock(&dev->mode_config.mutex);
drm_connector_list_iter_begin(dev, &conn_iter);
drm_for_each_connector_iter(connector, &conn_iter)
intel_connector_info(m, connector);
drm_connector_list_iter_end(&conn_iter);
mutex_unlock(&dev->mode_config.mutex);
drm_modeset_unlock_all(dev);
intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref);