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Commit d101c8fe authored by Mika Kuoppala's avatar Mika Kuoppala Committed by Daniel Vetter
Browse files

drm/i915: remove i915_rstdby_delays debugfs entry 

CHV hard hangs on reading on 0x11100

References: https://bugs.freedesktop.org/show_bug.cgi?id=80893


Signed-off-by: default avatarMika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent 57c9d685

drivers/gpu/drm/i915/i915_debugfs.c

+0 −24
Original line number Diff line number Diff line
@@ -994,29 +994,6 @@ DEFINE_SIMPLE_ATTRIBUTE(i915_next_seqno_fops, 
			i915_next_seqno_get, i915_next_seqno_set,

			"0x%llx\n");



static int i915_rstdby_delays(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;

	u16 crstanddelay;

	int ret;



	ret = mutex_lock_interruptible(&dev->struct_mutex);

	if (ret)

		return ret;

	intel_runtime_pm_get(dev_priv);



	crstanddelay = I915_READ16(CRSTANDVID);



	intel_runtime_pm_put(dev_priv);

	mutex_unlock(&dev->struct_mutex);



	seq_printf(m, "w/ctx: %d, w/o ctx: %d\n", (crstanddelay >> 8) & 0x3f, (crstanddelay & 0x3f));



	return 0;

}



static int i915_frequency_info(struct seq_file *m, void *unused)

{

	struct drm_info_node *node = m->private;
@@ -3875,7 +3852,6 @@ static const struct drm_info_list i915_debugfs_list[] = { 
	{"i915_gem_hws_blt", i915_hws_info, 0, (void *)BCS},

	{"i915_gem_hws_bsd", i915_hws_info, 0, (void *)VCS},

	{"i915_gem_hws_vebox", i915_hws_info, 0, (void *)VECS},

	{"i915_rstdby_delays", i915_rstdby_delays, 0},

	{"i915_frequency_info", i915_frequency_info, 0},

	{"i915_drpc_info", i915_drpc_info, 0},

	{"i915_emon_status", i915_emon_status, 0},