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drm/i915: Annotate more of the BIOS fb takeover failure paths
Annotate a few more of the failure paths on the initial BIOS fb takeover to avoid having to guess why things aren't working the way we expect. Reviewed-by: Uma Shankar <uma.shankar@intel.com> Tested-by: Paz Zcharya <pazz@chromium.org> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240202224340.30647-17-ville.syrjala@linux.intel.com
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1 changed files with 7 additions and 2 deletions
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@ -167,14 +167,19 @@ initial_plane_vma(struct drm_i915_private *i915,
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*/
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if (IS_ENABLED(CONFIG_FRAMEBUFFER_CONSOLE) &&
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mem == i915->mm.stolen_region &&
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size * 2 > i915->dsm.usable_size)
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size * 2 > i915->dsm.usable_size) {
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drm_dbg_kms(&i915->drm, "Initial FB size exceeds half of stolen, discarding\n");
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return NULL;
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}
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obj = i915_gem_object_create_region_at(mem, phys_base, size,
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I915_BO_ALLOC_USER |
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I915_BO_PREALLOC);
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if (IS_ERR(obj))
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if (IS_ERR(obj)) {
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drm_dbg_kms(&i915->drm, "Failed to preallocate initial FB in %s\n",
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mem->region.name);
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return NULL;
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}
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/*
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* Mark it WT ahead of time to avoid changing the
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