Merge "msm: mdss: Disable idle pc during unblank" (929a747d) · Commits · e / devices / android_kernel_xiaomi_markw

drivers/video/msm/mdss/mdss_dsi.c

+34 −0

Original line number	Diff line number	Diff line
		@@ -25,6 +25,7 @@
		#include <linux/clk.h>
		#include <linux/uaccess.h>
		#include <linux/msm-bus.h>
		#include <linux/pm_qos.h>

		#include "mdss.h"
		#include "mdss_panel.h"
		@@ -38,6 +39,30 @@
		/* Master structure to hold all the information about the DSI/panel */
		static struct mdss_dsi_data *mdss_dsi_res;

		#define DSI_DISABLE_PC_LATENCY 100
		#define DSI_ENABLE_PC_LATENCY PM_QOS_DEFAULT_VALUE

		static struct pm_qos_request mdss_dsi_pm_qos_request;

		static void mdss_dsi_pm_qos_add_request(void)
		{
		pr_debug("%s: add request", __func__);
		pm_qos_add_request(&mdss_dsi_pm_qos_request, PM_QOS_CPU_DMA_LATENCY,
		PM_QOS_DEFAULT_VALUE);
		}

		static void mdss_dsi_pm_qos_remove_request(void)
		{
		pr_debug("%s: remove request", __func__);
		pm_qos_remove_request(&mdss_dsi_pm_qos_request);
		}

		static void mdss_dsi_pm_qos_update_request(int val)
		{
		pr_debug("%s: update request %d", __func__, val);
		pm_qos_update_request(&mdss_dsi_pm_qos_request, val);
		}

		static int mdss_dsi_pinctrl_set_state(struct mdss_dsi_ctrl_pdata *ctrl_pdata,
		bool active);

		@@ -1412,6 +1437,8 @@ static int mdss_dsi_unblank(struct mdss_panel_data *pdata)
		__func__, ctrl_pdata, ctrl_pdata->ndx,
		pdata->panel_info.panel_power_state, ctrl_pdata->ctrl_state);

		mdss_dsi_pm_qos_update_request(DSI_DISABLE_PC_LATENCY);

		if (mdss_dsi_is_ctrl_clk_master(ctrl_pdata))
		sctrl = mdss_dsi_get_ctrl_clk_slave();

		@@ -1453,6 +1480,9 @@ error:
		if (sctrl)
		mdss_dsi_clk_ctrl(sctrl, sctrl->dsi_clk_handle,
		MDSS_DSI_ALL_CLKS, MDSS_DSI_CLK_OFF);

		mdss_dsi_pm_qos_update_request(DSI_ENABLE_PC_LATENCY);

		pr_debug("%s-:\n", __func__);

		return ret;
		@@ -2884,6 +2914,8 @@ static int mdss_dsi_ctrl_probe(struct platform_device *pdev)
		else
		ctrl_pdata->shared_data->dsi1_active = true;

		mdss_dsi_pm_qos_add_request();

		return 0;

		error_shadow_clk_deinit:
		@@ -3340,6 +3372,8 @@ static int mdss_dsi_ctrl_remove(struct platform_device *pdev)
		return -ENODEV;
		}

		mdss_dsi_pm_qos_remove_request();

		if (msm_dss_config_vreg(&pdev->dev,
		ctrl_pdata->panel_power_data.vreg_config,
		ctrl_pdata->panel_power_data.num_vreg, 1) < 0)