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disp: msm: dp: update swing and pre-emp with new hardware settings

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Update the DP controller and PHY programming according to
the new hardware recommendations.

CRs-Fixed: 2458753
Change-Id: I1bce5915ba6ebbb250cc5c4aac907b0b287eece7
Signed-off-by: Ajay Singh Parmar <aparmar@codeaurora.org>
This commit is contained in:
Ajay Singh Parmar
2019-05-14 17:23:51 -07:00
parent c44165dd40
commit 9a54f87c18
5 changed files with 67 additions and 17 deletions
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14
msm/dp/dp_ctrl.c
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@@ -211,9 +211,14 @@ static int dp_ctrl_update_sink_vx_px(struct dp_ctrl_private *ctrl,
static int dp_ctrl_update_vx_px(struct dp_ctrl_private *ctrl)
{
struct dp_link *link = ctrl->link;
bool high = false;
if (ctrl->link->link_params.bw_code == DP_LINK_BW_5_4 ||
ctrl->link->link_params.bw_code == DP_LINK_BW_8_1)
high = true;
ctrl->catalog->update_vx_px(ctrl->catalog,
link->phy_params.v_level, link->phy_params.p_level);
link->phy_params.v_level, link->phy_params.p_level, high);
return dp_ctrl_update_sink_vx_px(ctrl, link->phy_params.v_level,
link->phy_params.p_level);
@@ -396,9 +401,12 @@ static int dp_ctrl_link_training_2(struct dp_ctrl_private *ctrl)
ret = -EINVAL;
goto end;
}
if (pattern != DP_TRAINING_PATTERN_4)
pattern |= DP_LINK_SCRAMBLING_DISABLE;
ctrl->catalog->set_pattern(ctrl->catalog, pattern);
ret = dp_ctrl_train_pattern_set(ctrl,
pattern | DP_RECOVERED_CLOCK_OUT_EN);
ret = dp_ctrl_train_pattern_set(ctrl, pattern);
if (ret <= 0) {
ret = -EINVAL;
goto end;