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Commit 1196f662 authored by Mika Kuoppala's avatar Mika Kuoppala Committed by Daniel Vetter
Browse files

drm/i915: remove i915_delayedfreq_table debugfs entry 

CHV hard hangs on reading these registers. As these have not
been used since cantiga & ilk, remove the debugfs entry.

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


Suggested-by: default avatarJesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: default avatarMika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent 2ff8fde1

drivers/gpu/drm/i915/i915_debugfs.c

+0 −27
Original line number Diff line number Diff line
@@ -1158,32 +1158,6 @@ static int i915_frequency_info(struct seq_file *m, void *unused) 
	return ret;

}



static int i915_delayfreq_table(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;

	u32 delayfreq;

	int ret, i;



	ret = mutex_lock_interruptible(&dev->struct_mutex);

	if (ret)

		return ret;

	intel_runtime_pm_get(dev_priv);



	for (i = 0; i < 16; i++) {

		delayfreq = I915_READ(PXVFREQ_BASE + i * 4);

		seq_printf(m, "P%02dVIDFREQ: 0x%08x (VID: %d)\n", i, delayfreq,

			   (delayfreq & PXVFREQ_PX_MASK) >> PXVFREQ_PX_SHIFT);

	}



	intel_runtime_pm_put(dev_priv);



	mutex_unlock(&dev->struct_mutex);



	return 0;

}



static inline int MAP_TO_MV(int map)

{

	return 1250 - (map * 25);
@@ -3952,7 +3926,6 @@ static const struct drm_info_list i915_debugfs_list[] = { 
	{"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_delayfreq_table", i915_delayfreq_table, 0},

	{"i915_inttoext_table", i915_inttoext_table, 0},

	{"i915_drpc_info", i915_drpc_info, 0},

	{"i915_emon_status", i915_emon_status, 0},