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Commit 027205b2 authored by Tatenda Chipeperekwa's avatar Tatenda Chipeperekwa
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clk: msm: mdss: Read PLL/PHY status once during bootup 



Read the PLL/PHY status once during bootup to avoid delays
due to polling. Polling for PLL/PHY status is only required
when handling HDMI use cases in which the cable is connected
after bootup is complete.

Change-Id: Ie1d5983a7784cb5f3472527d1b510f128ae9d325
Signed-off-by: default avatarTatenda Chipeperekwa <tatendac@codeaurora.org>
parent 1c2c6d7f

drivers/clk/msm/mdss/mdss-hdmi-pll-8996.c

+3 −3
Original line number Diff line number Diff line 
/* Copyright (c) 2014-2015, The Linux Foundation. All rights reserved.

/* Copyright (c) 2014-2016, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and
@@ -2360,8 +2360,8 @@ static enum handoff hdmi_8996_vco_handoff(struct clk *c) 


	io->handoff_resources = true;



	if (hdmi_8996_pll_lock_status(io)) {

		if (hdmi_8996_phy_ready_status(io)) {

	if (MDSS_PLL_REG_R(io->pll_base, QSERDES_COM_C_READY_STATUS) & BIT(0)) {

		if (MDSS_PLL_REG_R(io->phy_base, HDMI_PHY_STATUS) & BIT(0)) {

			io->pll_on = true;

			c->rate = hdmi_8996_vco_get_rate(c);

			ret = HANDOFF_ENABLED_CLK;