diff options
| author | Tatenda Chipeperekwa <tatendac@codeaurora.org> | 2016-01-07 16:32:20 -0800 |
|---|---|---|
| committer | David Keitel <dkeitel@codeaurora.org> | 2016-03-23 21:14:37 -0700 |
| commit | 2fdabe4dc58239e7461783ddb421f686696ae73c (patch) | |
| tree | 8da52de3f178ac80fc4105d51703d42c77cf9f71 | |
| parent | e5793411eeb131ddb2b4674fbf2d60caaf8853c2 (diff) | |
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: Tatenda Chipeperekwa <tatendac@codeaurora.org>
| -rw-r--r-- | drivers/clk/msm/mdss/mdss-hdmi-pll-8996.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/clk/msm/mdss/mdss-hdmi-pll-8996.c b/drivers/clk/msm/mdss/mdss-hdmi-pll-8996.c index e38cce64f0e9..8a96a0a0580f 100644 --- a/drivers/clk/msm/mdss/mdss-hdmi-pll-8996.c +++ b/drivers/clk/msm/mdss/mdss-hdmi-pll-8996.c @@ -1,4 +1,4 @@ -/* 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; |