diff options
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dp.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 320c37963745..2b4acfda21cc 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -595,10 +595,15 @@ intel_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode, return -EREMOTEIO; } +static void ironlake_edp_panel_vdd_on(struct intel_dp *intel_dp); +static void ironlake_edp_panel_vdd_off(struct intel_dp *intel_dp); + static int intel_dp_i2c_init(struct intel_dp *intel_dp, struct intel_connector *intel_connector, const char *name) { + int ret; + DRM_DEBUG_KMS("i2c_init %s\n", name); intel_dp->algo.running = false; intel_dp->algo.address = 0; @@ -612,7 +617,10 @@ intel_dp_i2c_init(struct intel_dp *intel_dp, intel_dp->adapter.algo_data = &intel_dp->algo; intel_dp->adapter.dev.parent = &intel_connector->base.kdev; - return i2c_dp_aux_add_bus(&intel_dp->adapter); + ironlake_edp_panel_vdd_on(intel_dp); + ret = i2c_dp_aux_add_bus(&intel_dp->adapter); + ironlake_edp_panel_vdd_off(intel_dp); + return ret; } static bool |