From: Stuart Summers Date: Wed, 20 Nov 2019 00:45:05 +0000 (-0800) Subject: Skip MCHBAR queries when display is not available X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=e7862f476e6f78ebf715d6090e922cd91b1a194c;p=linux.git Skip MCHBAR queries when display is not available 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 Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20191120004505.149516-1-stuart.summers@intel.com --- diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index fc8286809e626..aa1d9e25f934e 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -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))