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Commit 5a7adcb6 authored by Sandeep Panda's avatar Sandeep Panda
Browse files

msm: mdss: check for change in panel timing parameters 



Add support to check for change in panel video timing
parameters when DSI controller is used for a pluggable
interface.

Change-Id: Ia7ff6b3adf778283c1fc893f2c2eb4335ae4dd68
Signed-off-by: default avatarSandeep Panda <spanda@codeaurora.org>
parent 61691972

drivers/video/msm/mdss/mdss_dsi.c

+26 −0
Original line number Diff line number Diff line
@@ -1976,6 +1976,30 @@ error_byte: 
	return rc;

}



static int mdss_dsi_check_params(struct mdss_dsi_ctrl_pdata *ctrl, void *arg)

{

	struct mdss_panel_info *reconf_pinfo, *pinfo;

	int rc = 0;



	if (!ctrl || !arg)

		return 0;



	pinfo = &ctrl->panel_data.panel_info;

	if (!pinfo->is_pluggable)

		return 0;



	reconf_pinfo = (struct mdss_panel_info *)arg;



	pr_debug("%s: reconfig xres: %d yres: %d, current xres: %d yres: %d\n",

			__func__, reconf_pinfo->xres, reconf_pinfo->yres,

					pinfo->xres, pinfo->yres);

	if ((reconf_pinfo->xres != pinfo->xres) ||

			(reconf_pinfo->yres != pinfo->yres))

		rc = 1;



	return rc;

}



static int mdss_dsi_dfps_config(struct mdss_panel_data *pdata, int new_fps)

{

	int rc = 0;
@@ -2236,6 +2260,8 @@ static int mdss_dsi_event_handler(struct mdss_panel_data *pdata, 
	switch (event) {

	case MDSS_EVENT_CHECK_PARAMS:

		pr_debug("%s:Entered Case MDSS_EVENT_CHECK_PARAMS\n", __func__);

		if (mdss_dsi_check_params(ctrl_pdata, arg))

			rc = 1;

		ctrl_pdata->refresh_clk_rate = true;

		break;

	case MDSS_EVENT_LINK_READY: