diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dp.c | 29 |
1 files changed, 17 insertions, 12 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index cea8624a0c1..2dbdcd103ea 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -623,6 +623,7 @@ intel_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode, int reply_bytes; int ret; + ironlake_edp_panel_vdd_on(intel_dp); intel_dp_check_edp(intel_dp); /* Set up the command byte */ if (mode & MODE_I2C_READ) @@ -665,7 +666,7 @@ intel_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode, reply, reply_bytes); if (ret < 0) { DRM_DEBUG_KMS("aux_ch failed %d\n", ret); - return ret; + goto out; } switch (reply[0] & AUX_NATIVE_REPLY_MASK) { @@ -676,7 +677,8 @@ intel_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode, break; case AUX_NATIVE_REPLY_NACK: DRM_DEBUG_KMS("aux_ch native nack\n"); - return -EREMOTEIO; + ret = -EREMOTEIO; + goto out; case AUX_NATIVE_REPLY_DEFER: /* * For now, just give more slack to branch devices. We @@ -694,7 +696,8 @@ intel_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode, default: DRM_ERROR("aux_ch invalid native reply 0x%02x\n", reply[0]); - return -EREMOTEIO; + ret = -EREMOTEIO; + goto out; } switch (reply[0] & AUX_I2C_REPLY_MASK) { @@ -702,22 +705,29 @@ intel_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode, if (mode == MODE_I2C_READ) { *read_byte = reply[1]; } - return reply_bytes - 1; + ret = reply_bytes - 1; + goto out; case AUX_I2C_REPLY_NACK: DRM_DEBUG_KMS("aux_i2c nack\n"); - return -EREMOTEIO; + ret = -EREMOTEIO; + goto out; case AUX_I2C_REPLY_DEFER: DRM_DEBUG_KMS("aux_i2c defer\n"); udelay(100); break; default: DRM_ERROR("aux_i2c invalid reply 0x%02x\n", reply[0]); - return -EREMOTEIO; + ret = -EREMOTEIO; + goto out; } } DRM_ERROR("too many retries, giving up\n"); - return -EREMOTEIO; + ret = -EREMOTEIO; + +out: + ironlake_edp_panel_vdd_off(intel_dp, false); + return ret; } static int @@ -739,9 +749,7 @@ 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; - ironlake_edp_panel_vdd_on(intel_dp); ret = i2c_dp_aux_add_bus(&intel_dp->adapter); - ironlake_edp_panel_vdd_off(intel_dp, false); return ret; } @@ -3478,7 +3486,6 @@ static bool intel_edp_init_connector(struct intel_dp *intel_dp, intel_dp_init_panel_power_sequencer_registers(dev, intel_dp, &power_seq); - ironlake_edp_panel_vdd_on(intel_dp); edid = drm_get_edid(connector, &intel_dp->adapter); if (edid) { if (drm_add_edid_modes(connector, edid)) { @@ -3510,8 +3517,6 @@ static bool intel_edp_init_connector(struct intel_dp *intel_dp, fixed_mode->type |= DRM_MODE_TYPE_PREFERRED; } - ironlake_edp_panel_vdd_off(intel_dp, false); - intel_panel_init(&intel_connector->panel, fixed_mode); intel_panel_setup_backlight(connector); |