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Skip MCHBAR queries when display is not available

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Platforms without display do not map the MCHBAR MMIO into the GFX
device BAR. Skip this sequence when display is not available.

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/20191120004505.149516-1-stuart.summers@intel.com
This commit is contained in:
Stuart Summers
2019-11-19 16:45:05 -08:00
committed by Ville Syrjälä
parent 7451a074bf
commit e7862f476e
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/i915_drv.c
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@@ -1052,7 +1052,7 @@ intel_get_dram_info(struct drm_i915_private *dev_priv)
*/
dram_info->is_16gb_dimm = !IS_GEN9_LP(dev_priv);
if (INTEL_GEN(dev_priv) < 9)
if (INTEL_GEN(dev_priv) < 9 || !HAS_DISPLAY(dev_priv))
return;
if (IS_GEN9_LP(dev_priv))