static int mdss_dsi_off(struct mdss_panel_data *pdata)
{
int ret = 0;
struct mdss_dsi_ctrl_pdata *ctrl_pdata = NULL;
if (pdata == NULL) {
pr_err("%s: Invalid input data\n", __func__);
return -EINVAL;
}
if (!pdata->panel_info.panel_power_on) {
pr_warn("%s:%d Panel already off.\n", __func__, __LINE__);
return -EPERM;
}
pdata->panel_info.panel_power_on = 0;
ctrl_pdata = container_of(pdata, struct mdss_dsi_ctrl_pdata,
panel_data);
pr_debug("%s+: ctrl=%p ndx=%d\n", __func__,
ctrl_pdata, ctrl_pdata->ndx);
if (pdata->panel_info.type == MIPI_CMD_PANEL)
mdss_dsi_clk_ctrl(ctrl_pdata, 1);
/* disable DSI controller */
mdss_dsi_controller_cfg(0, pdata);
mdss_dsi_clk_ctrl(ctrl_pdata, 0);
ret = mdss_dsi_enable_bus_clocks(ctrl_pdata);
if (ret) {
pr_err("%s: failed to enable bus clocks. rc=%d\n", __func__,
ret);
mdss_dsi_panel_power_on(pdata, 0);
return ret;
}
/* disable DSI phy */
mdss_dsi_phy_enable(ctrl_pdata, 0);
mdss_dsi_disable_bus_clocks(ctrl_pdata);
ret = mdss_dsi_panel_power_on(pdata, 0);
if (ret) {
pr_err("%s: Panel power off failed\n", __func__);
return ret;
}
pr_debug("%s-:\n", __func__);
return ret;
}
static int mdss_dsi_off(struct mdss_panel_data *pdata)
{
int ret = 0;
struct mdss_dsi_ctrl_pdata *ctrl_pdata = NULL;
struct mdss_panel_info *panel_info = NULL;
if (pdata == NULL) {
pr_err("%s: Invalid input data\n", __func__);
return -EINVAL;
}
if (!pdata->panel_info.panel_power_on) {
pr_warn("%s:%d Panel already off.\n", __func__, __LINE__);
return -EPERM;
}
pdata->panel_info.panel_power_on = 0;
ctrl_pdata = container_of(pdata, struct mdss_dsi_ctrl_pdata,
panel_data);
panel_info = &ctrl_pdata->panel_data.panel_info;
pr_debug("%s+: ctrl=%p ndx=%d\n", __func__,
ctrl_pdata, ctrl_pdata->ndx);
if (pdata->panel_info.type == MIPI_CMD_PANEL)
mdss_dsi_clk_ctrl(ctrl_pdata, 1);
/* disable DSI controller */
mdss_dsi_controller_cfg(0, pdata);
mdss_dsi_clk_ctrl(ctrl_pdata, 0);
ret = mdss_dsi_enable_bus_clocks(ctrl_pdata);
if (ret) {
pr_err("%s: failed to enable bus clocks. rc=%d\n", __func__,
ret);
mdss_dsi_panel_power_on(pdata, 0);
return ret;
}
/* disable DSI phy */
mdss_dsi_phy_enable(ctrl_pdata->ctrl_base, 0);
mdss_dsi_disable_bus_clocks(ctrl_pdata);
ret = mdss_dsi_panel_power_on(pdata, 0);
if (ret) {
pr_err("%s: Panel power off failed\n", __func__);
return ret;
}
if (panel_info->dynamic_fps
&& (panel_info->dfps_update == DFPS_SUSPEND_RESUME_MODE)
&& (panel_info->new_fps != panel_info->mipi.frame_rate))
panel_info->mipi.frame_rate = panel_info->new_fps;
pr_debug("%s-:\n", __func__);
return ret;
}
