Commit 949ab9d2 authored Oct 26, 2020 by Lucas De Marchi

drm/i915: Guard debugfs against invalid access without display



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

parent b18c1eb9

drivers/gpu/drm/i915/i915_drv.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -671,6 +671,7 @@ 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);
		if (HAS_DISPLAY(dev_priv))
		intel_display_debugfs_register(dev_priv);
		i915_setup_sysfs(dev_priv);

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