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: Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx> Signed-off-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxx> --- drivers/gpu/drm/i915/i915_debugfs.c | 27 --------------------------- 1 file changed, 27 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index b3b56c4..6d471e1 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -1158,32 +1158,6 @@ out: 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}, -- 1.7.9.5 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
