Re: [PATCH] OMAPDSS: HDMI: wait for RXDET before putting phy in TX_ON

2012-03-02 Thread K, Mythri P
Hi Tomi, On Thu, Mar 1, 2012 at 5:01 PM, Tomi Valkeinen tomi.valkei...@ti.com wrote: Hi, On Thu, 2012-03-01 at 13:44 +0530, mythr...@ti.com wrote: From: Mythri P K mythr...@ti.com Currently TX_PHY is put to TX_ON(transmission state) on receiving HPD. It just ensures that the TV is

Re: [PATCH] OMAPDSS: HDMI: wait for RXDET before putting phy in TX_ON

2012-03-02 Thread Tomi Valkeinen
On Fri, 2012-03-02 at 13:35 +0530, K, Mythri P wrote: Hi Tomi, On Thu, Mar 1, 2012 at 5:01 PM, Tomi Valkeinen tomi.valkei...@ti.com wrote: Hi, On Thu, 2012-03-01 at 13:44 +0530, mythr...@ti.com wrote: From: Mythri P K mythr...@ti.com Currently TX_PHY is put to TX_ON(transmission

Re: [PATCH] OMAPDSS: HDMI: wait for RXDET before putting phy in TX_ON

2012-03-02 Thread K, Mythri P
Hi Tomi, Damage never happens with the cable connected for a long time.. Damage happens only when the cable is connected when the PHY is in TX ON state. Which requires the following sequence to be followed. 1. Wait for HPD connect 2. Wait for the PHY connect ( TMDS lines are up) 3. Enable

Re: [PATCH] OMAPDSS: HDMI: wait for RXDET before putting phy in TX_ON

2012-03-02 Thread Tomi Valkeinen
On Fri, 2012-03-02 at 16:55 +0530, K, Mythri P wrote: Hi Tomi, Damage never happens with the cable connected for a long time.. Damage happens only when the cable is connected when the PHY is in TX ON state. Which requires the following sequence to be followed. 1. Wait for HPD connect

[PATCH] OMAPDSS: HDMI: wait for RXDET before putting phy in TX_ON

2012-03-01 Thread mythripk
From: Mythri P K mythr...@ti.com Currently TX_PHY is put to TX_ON(transmission state) on receiving HPD. It just ensures that the TV is connected but does not guarantee that TMDS data lines and clock lines are up and ready for transmission. Which although is very rare scenario has a potential to

Re: [PATCH] OMAPDSS: HDMI: wait for RXDET before putting phy in TX_ON

2012-03-01 Thread Tomi Valkeinen
Hi, On Thu, 2012-03-01 at 13:44 +0530, mythr...@ti.com wrote: From: Mythri P K mythr...@ti.com Currently TX_PHY is put to TX_ON(transmission state) on receiving HPD. It just ensures that the TV is connected but does not guarantee that TMDS data lines and clock lines are up and ready for