Commit 8a126392 authored Nov 19, 2019 by Stuart Summers Committed by Ville Syrjälä Nov 20, 2019

drm/i915: Do not initialize display BW when display not available



When display is not available, finding the memory bandwidth available
for display is not useful. Skip this sequence here.

References: HSDES 1209978255

Signed-off-by: Stuart Summers <stuart.summers@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191120011016.18049-1-stuart.summers@intel.com

parent e7862f47

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

+3 −0

Original line number	Diff line number	Diff line
		@@ -264,6 +264,9 @@ static unsigned int icl_max_bw(struct drm_i915_private *dev_priv,

		void intel_bw_init_hw(struct drm_i915_private *dev_priv)
		{
		if (!HAS_DISPLAY(dev_priv))
		return;

		if (IS_GEN(dev_priv, 12))
		icl_get_bw_info(dev_priv, &tgl_sa_info);
		else if (IS_GEN(dev_priv, 11))

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