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drm/i915: Guard debugfs against invalid access without display

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Do not create the display debugfs files when we don't have display.

Based on previous patch by José Souza.

Cc: José Roberto de Souza <jose.souza@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201027044618.719064-1-lucas.demarchi@intel.com
This commit is contained in:
Lucas De Marchi 2020-10-26 21:46:16 -07:00
parent b18c1eb975
commit 949ab9d229
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/i915/i915_drv.c
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@ -671,7 +671,8 @@ static void i915_driver_register(struct drm_i915_private *dev_priv)
/* Reveal our presence to userspace */
if (drm_dev_register(dev, 0) == 0) {
i915_debugfs_register(dev_priv);
intel_display_debugfs_register(dev_priv);
if (HAS_DISPLAY(dev_priv))
intel_display_debugfs_register(dev_priv);
i915_setup_sysfs(dev_priv);
/* Depends on sysfs having been initialized */