Merge "msm: mdss: Fix dynamic refresh sequence"
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commit
8787746ecb
3 changed files with 24 additions and 0 deletions
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@ -2090,6 +2090,13 @@ static int __mdss_dsi_dfps_update_clks(struct mdss_panel_data *pdata,
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MIPI_OUTP((sctrl_pdata->ctrl_base) + DSI_DYNAMIC_REFRESH_CTRL,
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0x00);
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rc = mdss_dsi_phy_pll_reset_status(ctrl_pdata);
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if (rc) {
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pr_err("%s: pll cannot be locked reset core ready failed %d\n",
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__func__, rc);
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goto dfps_timeout;
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}
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__mdss_dsi_mask_dfps_errors(ctrl_pdata, false);
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if (sctrl_pdata)
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__mdss_dsi_mask_dfps_errors(sctrl_pdata, false);
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@ -694,6 +694,7 @@ void mdss_dsi_dfps_config_8996(struct mdss_dsi_ctrl_pdata *ctrl);
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void mdss_dsi_set_burst_mode(struct mdss_dsi_ctrl_pdata *ctrl);
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void mdss_dsi_set_reg(struct mdss_dsi_ctrl_pdata *ctrl, int off,
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u32 mask, u32 val);
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int mdss_dsi_phy_pll_reset_status(struct mdss_dsi_ctrl_pdata *ctrl);
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static inline const char *__mdss_dsi_pm_name(enum dsi_pm_type module)
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{
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@ -16,6 +16,8 @@
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#include <linux/err.h>
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#include <linux/io.h>
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#include <linux/clk/msm-clk.h>
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#include <linux/iopoll.h>
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#include <linux/kthread.h>
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#include "mdss_dsi.h"
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#include "mdss_dp.h"
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@ -427,6 +429,20 @@ static void mdss_dsi_ctrl_phy_reset(struct mdss_dsi_ctrl_pdata *ctrl)
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wmb(); /* maek sure reset cleared */
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}
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int mdss_dsi_phy_pll_reset_status(struct mdss_dsi_ctrl_pdata *ctrl)
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{
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int rc;
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u32 val;
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u32 const sleep_us = 10, timeout_us = 100;
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pr_debug("%s: polling for RESETSM_READY_STATUS.CORE_READY\n",
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__func__);
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rc = readl_poll_timeout(ctrl->phy_io.base + 0x4cc, val,
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(val & 0x1), sleep_us, timeout_us);
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return rc;
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}
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static void mdss_dsi_phy_sw_reset_sub(struct mdss_dsi_ctrl_pdata *ctrl)
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{
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struct mdss_dsi_ctrl_pdata *sctrl = NULL;
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