From: Ville Syrjälä ville.syrjala@linux.intel.com
drm_mode_probed_add() is unhappy about being called w/o mode_config.mutex. Grab it during LVDS fixed mode setup to silence the WARNs.
Cc: stable@vger.kernel.org Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/7301 Fixes: aa2b88074a56 ("drm/i915/sdvo: Fix multi function encoder stuff") Signed-off-by: Ville Syrjälä ville.syrjala@linux.intel.com --- drivers/gpu/drm/i915/display/intel_sdvo.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_sdvo.c b/drivers/gpu/drm/i915/display/intel_sdvo.c index ccf81d616cb4..1eaaa7ec580e 100644 --- a/drivers/gpu/drm/i915/display/intel_sdvo.c +++ b/drivers/gpu/drm/i915/display/intel_sdvo.c @@ -2899,8 +2899,12 @@ intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, int device) intel_panel_add_vbt_sdvo_fixed_mode(intel_connector);
if (!intel_panel_preferred_fixed_mode(intel_connector)) { + mutex_lock(&i915->drm.mode_config.mutex); + intel_ddc_get_modes(connector, &intel_sdvo->ddc); intel_panel_add_edid_fixed_modes(intel_connector, false); + + mutex_unlock(&i915->drm.mode_config.mutex); }
intel_panel_init(intel_connector);