drm/i915: Prevent HW access during init from SDVO TV get_modes hook

[thirdparty/linux.git] / drivers / gpu / drm / i915 / display / intel_sdvo.c

diff --git a/drivers/gpu/drm/i915/display/intel_sdvo.c b/drivers/gpu/drm/i915/display/intel_sdvo.c
index 66dab0a37e65d0e0ca8e271481e49f499635820c..eb65c8124e60a979a62019442b23241a0b6d6f4e 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/display/intel_sdvo.c
@@ -2312,6 +2312,9 @@ static int intel_sdvo_get_tv_modes(struct drm_connector *connector)
        drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s]\n",
                    connector->base.id, connector->name);
 
+       if (!intel_display_driver_check_access(i915))
+               return 0;
+
        /*
         * Read the list of supported input resolutions for the selected TV
         * format.