evie/android_kernel_oneplus_msm8998
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Merge "msm: mdss: re-configure DP mainlink clocks during link training"

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Linux Build Service Account 2017-03-31 21:24:34 -07:00 • committed by Gerrit - the friendly Code Review server
commit 3ca9595f26
1 changed files with 7 additions and 1 deletions
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8
drivers/video/fbdev/msm/mdss_dp.c
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@ -1577,8 +1577,14 @@ int mdss_dp_on_hpd(struct mdss_dp_drv_pdata *dp_drv)
link_training:
dp_drv->power_on = true;
while (-EAGAIN == mdss_dp_setup_main_link(dp_drv, true))
while (-EAGAIN == mdss_dp_setup_main_link(dp_drv, true)) {
pr_debug("MAIN LINK TRAINING RETRY\n");
mdss_dp_mainlink_ctrl(&dp_drv->ctrl_io, false);
/* Disable DP mainlink clocks */
mdss_dp_disable_mainlink_clocks(dp_drv);
/* Enable DP mainlink clocks with reduced link rate */
mdss_dp_enable_mainlink_clocks(dp_drv);
}
dp_drv->cont_splash = 0;