diff options
| author | Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com> | 2023-08-14 19:34:45 +0300 |
|---|---|---|
| committer | Jouni Högander <jouni.hogander@intel.com> | 2023-08-24 13:02:27 +0300 |
| commit | 40a54a268ffc0fa1d28150054d1fffbe0ea37fd8 (patch) | |
| tree | 49244532f59052eee7dcd18ee79424d130fc220a /drivers/gpu/drm/i915/display/intel_display_debugfs.c | |
| parent | 50452f2f76852322620b63e62922b85e955abe94 (diff) | |
drm/i915/display: add lock while printing frontbuffer tracking bits to debugfs
Add missing spin_lock/unlock
Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230814163452.2925-1-juhapekka.heikkila@gmail.com
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_display_debugfs.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display_debugfs.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c b/drivers/gpu/drm/i915/display/intel_display_debugfs.c index 63c1fb9e479fa..f05b52381a831 100644 --- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c +++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c @@ -43,12 +43,16 @@ static int i915_frontbuffer_tracking(struct seq_file *m, void *unused) { struct drm_i915_private *dev_priv = node_to_i915(m->private); + spin_lock(&dev_priv->display.fb_tracking.lock); + seq_printf(m, "FB tracking busy bits: 0x%08x\n", dev_priv->display.fb_tracking.busy_bits); seq_printf(m, "FB tracking flip bits: 0x%08x\n", dev_priv->display.fb_tracking.flip_bits); + spin_unlock(&dev_priv->display.fb_tracking.lock); + return 0; } |