Commit 40a54a26 authored by Juha-Pekka Heikkila's avatar Juha-Pekka Heikkila Committed by Jouni Högander
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drm/i915/display: add lock while printing frontbuffer tracking bits to debugfs 



Add missing spin_lock/unlock

Signed-off-by: default avatarJuha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Reviewed-by: default avatarJouni Högander <jouni.hogander@intel.com>
Signed-off-by: default avatarJouni Högander <jouni.hogander@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230814163452.2925-1-juhapekka.heikkila@gmail.com
parent 50452f2f

drivers/gpu/drm/i915/display/intel_display_debugfs.c

+4 −0
Original line number Diff line number Diff line
@@ -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;

}