From 8a126392b7d7b95cffbf164b0f85974df7d70852 Mon Sep 17 00:00:00 2001 From: Stuart Summers Date: Tue, 19 Nov 2019 17:10:16 -0800 Subject: drm/i915: Do not initialize display BW when display not available MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20191120011016.18049-1-stuart.summers@intel.com --- drivers/gpu/drm/i915/display/intel_bw.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers') diff --git a/drivers/gpu/drm/i915/display/intel_bw.c b/drivers/gpu/drm/i915/display/intel_bw.c index 3f6e29f61323..86e75e858008 100644 --- a/drivers/gpu/drm/i915/display/intel_bw.c +++ b/drivers/gpu/drm/i915/display/intel_bw.c @@ -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)) -- cgit v1.2.3