From 9d208175914646500ed2b95e2d074555c523a994 Mon Sep 17 00:00:00 2001 From: jsg Date: Tue, 13 Aug 2024 00:29:51 +0000 Subject: [PATCH] drm/i915: Annotate more of the BIOS fb takeover failure paths From Ville Syrjala 074146f4578388b1b7f7832368d1581fceb1441e in mainline linux --- sys/dev/pci/drm/i915/display/intel_plane_initial.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/sys/dev/pci/drm/i915/display/intel_plane_initial.c b/sys/dev/pci/drm/i915/display/intel_plane_initial.c index 4820a66de73..4184fe74ef8 100644 --- a/sys/dev/pci/drm/i915/display/intel_plane_initial.c +++ b/sys/dev/pci/drm/i915/display/intel_plane_initial.c @@ -166,14 +166,19 @@ initial_plane_vma(struct drm_i915_private *i915, */ if (IS_ENABLED(CONFIG_FRAMEBUFFER_CONSOLE) && mem == i915->mm.stolen_region && - size * 2 > i915->dsm.usable_size) + size * 2 > i915->dsm.usable_size) { + drm_dbg_kms(&i915->drm, "Initial FB size exceeds half of stolen, discarding\n"); return NULL; + } obj = i915_gem_object_create_region_at(mem, phys_base, size, I915_BO_ALLOC_USER | I915_BO_PREALLOC); - if (IS_ERR(obj)) + if (IS_ERR(obj)) { + drm_dbg_kms(&i915->drm, "Failed to preallocate initial FB in %s\n", + mem->region.name); return NULL; + } /* * Mark it WT ahead of time to avoid changing the -- 2.20.1