diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dp.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dp.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index bbb1327644d4..7ca38e11e695 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -3646,6 +3646,7 @@ static bool intel_edp_init_connector(struct intel_dp *intel_dp, /* We now know it's not a ghost, init power sequence regs. */ intel_dp_init_panel_power_sequencer_registers(dev, intel_dp, power_seq); + mutex_lock(&dev->mode_config.mutex); edid = drm_get_edid(connector, &intel_dp->aux.ddc); if (edid) { if (drm_add_edid_modes(connector, edid)) { @@ -3676,6 +3677,7 @@ static bool intel_edp_init_connector(struct intel_dp *intel_dp, if (fixed_mode) fixed_mode->type |= DRM_MODE_TYPE_PREFERRED; } + mutex_unlock(&dev->mode_config.mutex); intel_panel_init(&intel_connector->panel, fixed_mode, NULL); intel_panel_setup_backlight(connector); |