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drm/msm/dp: use link power helpers

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Now that we have a helper for drm_dp_link_power_down(), use dp helpers
instead of rolling our own.

Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Rob Clark 2014-12-02 10:50:30 -05:00
parent 0045398131
commit a5ec308ac1
1 changed files with 2 additions and 19 deletions
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21
drivers/gpu/drm/msm/edp/edp_ctrl.c
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@ -458,23 +458,6 @@ static void edp_fill_link_cfg(struct edp_ctrl *ctrl)
DBG("rate=%d lane=%d", ctrl->link_rate, ctrl->lane_cnt);
}
static int edp_sink_power_state(struct edp_ctrl *ctrl, u8 state)
{
u8 s = state;
DBG("%d", s);
if (ctrl->dp_link.revision < 0x11)
return 0;
if (drm_dp_dpcd_write(ctrl->drm_aux, DP_SET_POWER, &s, 1) < 1) {
pr_err("%s: Set power state to panel failed\n", __func__);
return -ENOLINK;
}
return 0;
}
static void edp_config_ctrl(struct edp_ctrl *ctrl)
{
u32 data;
@ -1008,7 +991,7 @@ static void edp_ctrl_on_worker(struct work_struct *work)
edp_ctrl_link_enable(ctrl, 1);
edp_ctrl_irq_enable(ctrl, 1);
ret = edp_sink_power_state(ctrl, DP_SET_POWER_D0);
ret = drm_dp_link_power_up(ctrl->drm_aux, &ctrl->dp_link);
if (ret)
goto fail;
@ -1055,7 +1038,7 @@ static void edp_ctrl_off_worker(struct work_struct *work)
edp_state_ctrl(ctrl, 0);
edp_sink_power_state(ctrl, DP_SET_POWER_D3);
drm_dp_link_power_down(ctrl->drm_aux, &ctrl->dp_link);
edp_ctrl_irq_enable(ctrl, 0);