Commit 2fcffe19 authored Dec 03, 2014 by Damien Lespiau Committed by Daniel Vetter Dec 04, 2014

drm/i915: Don't display nonsensical values in i915_ddb_info on gen < 9



When playing around with debugfs and a HSW machine I noticed that we
were displaying some garbled value in i915_ddb_info. This debugfs file
is only meaningful for gen9+, so don't display anything on earlier
platforms.

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

parent f7635669

drivers/gpu/drm/i915/i915_debugfs.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -2743,6 +2743,9 @@ static int i915_ddb_info(struct seq_file m, void unused)
		enum pipe pipe;
		int plane;

		if (INTEL_INFO(dev)->gen < 9)
		return 0;

		drm_modeset_lock_all(dev);

		ddb = &dev_priv->wm.skl_hw.ddb;