evie/android_kernel_oneplus_msm8998
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msm: mdss: check for change in panel timing parameters

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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: Sandeep Panda <spanda@codeaurora.org>
This commit is contained in:
Sandeep Panda 2015-08-17 14:50:46 +05:30 • committed by David Keitel
parent 51a4411543
commit 84b15bc68b
1 changed files with 26 additions and 0 deletions
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26
drivers/video/fbdev/msm/mdss_dsi.c
View file

@ -2010,6 +2010,30 @@ 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;
@ -2270,6 +2294,8 @@ 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: