samsung-sm8650/android_kernel_samsung_sm8650-modules
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disp: msm: config AB/IBB power when AOD mode enter/exit

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ELVDD/ELVSS has a dip during AMODE panel AOD exit hand-off.
According to PMIC team's suggestion, need to config the AB/IBB power
to REGULATOR_MODE_IDLE/REGULATOR_MODE_NORMAL to fix dips.

Change-Id: Ia5cbd4d698de262e02a660f670865c03dda1e04a
Signed-off-by: Wenjun Zhang <wjzhan@codeaurora.org>
Signed-off-by: Yuan Zhao <yzhao@codeaurora.org>
This commit is contained in:
Yuan Zhao
2019-05-15 19:28:40 +08:00
committad av Gerrit - the friendly Code Review server
förälder bb2f60b35c
incheckning 2da9889075
3 ändrade filer med 94 tillägg och 0 borttagningar
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28
msm/dsi/dsi_panel.c
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@@ -3889,6 +3889,17 @@ int dsi_panel_set_lp1(struct dsi_panel *panel)
if (!panel->panel_initialized)
goto exit;
/*
* Consider LP1->LP2->LP1.
* If the panel is already in LP mode, do not need to
* set the regulator.
* IBB and AB power mode would be set at the same time
* in PMIC driver, so we only call ibb setting that is enough.
*/
if (dsi_panel_is_type_oled(panel) &&
panel->power_mode != SDE_MODE_DPMS_LP2)
dsi_pwr_panel_regulator_mode_set(&panel->power_info,
"ibb", REGULATOR_MODE_IDLE);
rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_LP1);
if (rc)
DSI_ERR("[%s] failed to send DSI_CMD_SET_LP1 cmd, rc=%d\n",
@@ -3933,6 +3944,13 @@ int dsi_panel_set_nolp(struct dsi_panel *panel)
if (!panel->panel_initialized)
goto exit;
/*
* Consider about LP1->LP2->NOLP.
*/
if (dsi_panel_is_type_oled(panel) &&
(panel->power_mode == SDE_MODE_DPMS_LP2))
dsi_pwr_panel_regulator_mode_set(&panel->power_info,
"ibb", REGULATOR_MODE_NORMAL);
rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_NOLP);
if (rc)
DSI_ERR("[%s] failed to send DSI_CMD_SET_NOLP cmd, rc=%d\n",
@@ -4333,6 +4351,15 @@ int dsi_panel_disable(struct dsi_panel *panel)
/* Avoid sending panel off commands when ESD recovery is underway */
if (!atomic_read(&panel->esd_recovery_pending)) {
/*
* Need to set IBB/AB regulator mode to STANDBY,
* if panel is going off from AOD mode.
*/
if (dsi_panel_is_type_oled(panel) &&
(panel->power_mode == SDE_MODE_DPMS_LP1 ||
panel->power_mode == SDE_MODE_DPMS_LP2))
dsi_pwr_panel_regulator_mode_set(&panel->power_info,
"ibb", REGULATOR_MODE_STANDBY);
rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_OFF);
if (rc) {
/*
@@ -4347,6 +4374,7 @@ int dsi_panel_disable(struct dsi_panel *panel)
}
}
panel->panel_initialized = false;
panel->power_mode = SDE_MODE_DPMS_OFF;
mutex_unlock(&panel->panel_lock);
return rc;