From: Lucas De Marchi Date: Tue, 27 Oct 2020 04:46:16 +0000 (-0700) Subject: drm/i915: Guard debugfs against invalid access without display X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=949ab9d229a23025c7afa4e357f9affadb3fa94c;p=linux.git 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 Cc: Jani Nikula Signed-off-by: Lucas De Marchi Reviewed-by: Jani Nikula Reviewed-by: José Roberto de Souza Link: https://patchwork.freedesktop.org/patch/msgid/20201027044618.719064-1-lucas.demarchi@intel.com --- diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index ad0dcaacc1a2e..e1e056ffff29d 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -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 */