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authorRob Clark <robdclark@gmail.com>2014-12-02 18:50:30 +0300
committerRob Clark <robdclark@gmail.com>2015-02-01 23:32:44 +0300
commita5ec308ac15d7abf6b801a15e027fe9534cc35a8 (patch)
tree8f19be45e8b32ae228b3058a7df1ce014659503c
parent0045398131e48cba3d759a2ad435d8b45640652e (diff)
downloadlinux-a5ec308ac15d7abf6b801a15e027fe9534cc35a8.tar.xz
drm/msm/dp: use link power helpers
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>
-rw-r--r--drivers/gpu/drm/msm/edp/edp_ctrl.c21
1 files changed, 2 insertions, 19 deletions
diff --git a/drivers/gpu/drm/msm/edp/edp_ctrl.c b/drivers/gpu/drm/msm/edp/edp_ctrl.c
index 5e0f89ea89e5..3e246210c46f 100644
--- a/drivers/gpu/drm/msm/edp/edp_ctrl.c
+++ b/drivers/gpu/drm/msm/edp/edp_ctrl.c
@@ -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);