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| author | Jani Nikula | 2014-03-14 15:51:14 +0100 |
|---|---|---|
| committer | Daniel Vetter | 2014-03-18 10:53:16 +0100 |
| commit | 884f19e948894fc87b03b631fd03a0998c0ca1ef (patch) | |
| tree | c32cfaaa69fd807cabd7c3c82c3146253dd92091 /drivers/gpu/drm/i915/intel_dp.c | |
| parent | drm/i915/dp: split edp_panel_vdd_on() for reuse (diff) | |
| download | kernel-qcow2-linux-884f19e948894fc87b03b631fd03a0998c0ca1ef.tar.gz kernel-qcow2-linux-884f19e948894fc87b03b631fd03a0998c0ca1ef.tar.xz kernel-qcow2-linux-884f19e948894fc87b03b631fd03a0998c0ca1ef.zip | |
drm/i915/dp: move edp vdd enable/disable at a lower level in i2c-over-aux
This is prep work for conversion to generic drm i2c-over-aux helpers
where we won't have the function to do this at.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dp.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dp.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index b463769b93e5..17d73511e148 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -461,6 +461,9 @@ intel_dp_aux_ch(struct intel_dp *intel_dp, uint32_t status; int try, clock = 0; bool has_aux_irq = HAS_AUX_IRQ(dev); + bool vdd; + + vdd = _edp_panel_vdd_on(intel_dp); /* dp aux is extremely sensitive to irq latency, hence request the * lowest possible wakeup latency and so prevent the cpu from going into @@ -566,6 +569,9 @@ out: pm_qos_update_request(&dev_priv->pm_qos, PM_QOS_DEFAULT_VALUE); intel_aux_display_runtime_put(dev_priv); + if (vdd) + edp_panel_vdd_off(intel_dp, false); + return ret; } @@ -678,8 +684,6 @@ intel_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode, int reply_bytes; int ret; - edp_panel_vdd_on(intel_dp); - intel_dp_check_edp(intel_dp); /* Set up the command byte */ if (mode & MODE_I2C_READ) msg[0] = DP_AUX_I2C_READ << 4; @@ -781,7 +785,6 @@ intel_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode, ret = -EREMOTEIO; out: - edp_panel_vdd_off(intel_dp, false); return ret; } |