evie/android_kernel_oneplus_msm8998
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mdss: fix dynamic FPS mode switch configuration

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For dual DSI panels, DFPS mode switch configuration through
sysfs is not properly enabled for the second DSI interface.
Fix this by initializing the mode switch update variable.

While changing the DFPS mode, idle-time should be disabled
and the device should be configured to default FPS. Add
these checks when DFPS mode switch is initiated.

Change-Id: Ib9e67f20758e2fb1c72a747c31109364db1d1160
Signed-off-by: Chandan Uddaraju <chandanu@codeaurora.org>
This commit is contained in:
Chandan Uddaraju 2015-12-23 11:03:49 -08:00 • committed by David Keitel
parent e8ffd14c5d
commit f7bad5e06a
1 changed files with 13 additions and 0 deletions
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13
drivers/video/fbdev/msm/mdss_fb.c
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@ -712,9 +712,22 @@ static ssize_t mdss_fb_change_dfps_mode(struct device *dev,
return len;
}
if (mfd->idle_time != 0) {
pr_err("ERROR: Idle time is not disabled.\n");
return len;
}
if (pinfo->current_fps != pinfo->default_fps) {
pr_err("ERROR: panel not configured to default fps\n");
return len;
}
pinfo->dynamic_fps = true;
pinfo->dfps_update = dfps_mode;
if (pdata->next)
pdata->next->panel_info.dfps_update = dfps_mode;
return len;
}