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Date:   Tue, 07 Jul 2020 21:05:49 +0000 (UTC)
From:   Jonas Karlman <jonas@...boo.se>
To:     Johan Jonker <jbx6244@...il.com>, Heiko Stuebner <heiko@...ech.de>,
        Sandy Huang <hjc@...k-chips.com>
Cc:     Kishon Vijay Abraham I <kishon@...com>,
        Zheng Yang <zhengyang@...k-chips.com>,
        linux-rockchip@...ts.infradead.org,
        dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Algea Cao <algea.cao@...k-chips.com>
Subject: Re: [PATCH v2 14/14] phy/rockchip: inno-hdmi: Support more pre-pll
 configuration

On 2020-07-07 21:53, Johan Jonker wrote:
> 
> Hi,
> 
> What's the status for this patch?
> This is just what I needed for A95X Z2 to get the vop+hdmi and monitor
> working. ;)
> 
> Could this become applied to mainline already?
> The ack is already there.

I will send a v3 of the phy/rockchip parts of this series later tonight/tomorrow.

The drm side still need work and I have some pending patches that also
improve rk3288/rk3399 hdmi support for up to 4k@...z, should make its way
onto the list in a few days.

Regards,
Jonas

> 
> Thanks,
> 
> Johan Jonker
> 
> https://lore.kernel.org/lkml/20200620134659.4592-1-jbx6244@gmail.com/
> 
> On 1/8/20 10:07 PM, Jonas Karlman wrote:
>> From: Algea Cao <algea.cao@...k-chips.com>
>>
>> Adding the following freq cfg in 8-bit and 10-bit color depth:
>>
>> {
>>   40000000,  65000000,  71000000,  83500000, 85750000,
>>   88750000, 108000000, 119000000, 162000000
>> }
>>
>> New freq has been validated by quantumdata 980.
>>
>> For some freq which can't be got by only using integer freq div,
>> frac freq div is needed, Such as 88.75Mhz 10-bit. But The actual
>> freq is different from the target freq, We must try to narrow
>> the gap between them. RK322X only support integer freq div.
>>
>> The VCO of pre-PLL must be more than 2Ghz, otherwise PLL may be
>> unlocked.
>>
>> Signed-off-by: Algea Cao <algea.cao@...k-chips.com>
>> Signed-off-by: Jonas Karlman <jonas@...boo.se>
>> Acked-by: Heiko Stuebner <heiko@...ech.de>
>> ---
>>  drivers/phy/rockchip/phy-rockchip-inno-hdmi.c | 74 ++++++++++++-------
>>  1 file changed, 49 insertions(+), 25 deletions(-)
>>
>> diff --git a/drivers/phy/rockchip/phy-rockchip-inno-hdmi.c b/drivers/phy/rockchip/phy-rockchip-inno-hdmi.c
>> index 3719309ad0d0..bb8bdf5e3301 100644
>> --- a/drivers/phy/rockchip/phy-rockchip-inno-hdmi.c
>> +++ b/drivers/phy/rockchip/phy-rockchip-inno-hdmi.c
>> @@ -291,32 +291,56 @@ struct inno_hdmi_phy_drv_data {
>>  	const struct phy_config		*phy_cfg_table;
>>  };
>>  
>> +/*
>> + * If only using integer freq div can't get frequency we want, frac
>> + * freq div is needed. For example, pclk 88.75 Mhz and tmdsclk
>> + * 110.9375 Mhz must use frac div 0xF00000. The actual frequency is different
>> + * from the target frequency. Such as the tmds clock 110.9375 Mhz,
>> + * the actual tmds clock we get is 110.93719 Mhz. It is important
>> + * to note that RK322X platforms do not support frac div.
>> + */
>>  static const struct pre_pll_config pre_pll_cfg_table[] = {
>> -	{ 27000000,  27000000, 1,  90, 3, 2, 2, 10, 3, 3, 4, 0, 0},
>> -	{ 27000000,  33750000, 1,  90, 1, 3, 3, 10, 3, 3, 4, 0, 0},
>> -	{ 40000000,  40000000, 1,  80, 2, 2, 2, 12, 2, 2, 2, 0, 0},
>> -	{ 59341000,  59341000, 1,  98, 3, 1, 2,  1, 3, 3, 4, 0, 0xE6AE6B},
>> -	{ 59400000,  59400000, 1,  99, 3, 1, 1,  1, 3, 3, 4, 0, 0},
>> -	{ 59341000,  74176250, 1,  98, 0, 3, 3,  1, 3, 3, 4, 0, 0xE6AE6B},
>> -	{ 59400000,  74250000, 1,  99, 1, 2, 2,  1, 3, 3, 4, 0, 0},
>> -	{ 74176000,  74176000, 1,  98, 1, 2, 2,  1, 2, 3, 4, 0, 0xE6AE6B},
>> -	{ 74250000,  74250000, 1,  99, 1, 2, 2,  1, 2, 3, 4, 0, 0},
>> -	{ 74176000,  92720000, 4, 494, 1, 2, 2,  1, 3, 3, 4, 0, 0x816817},
>> -	{ 74250000,  92812500, 4, 495, 1, 2, 2,  1, 3, 3, 4, 0, 0},
>> -	{148352000, 148352000, 1,  98, 1, 1, 1,  1, 2, 2, 2, 0, 0xE6AE6B},
>> -	{148500000, 148500000, 1,  99, 1, 1, 1,  1, 2, 2, 2, 0, 0},
>> -	{148352000, 185440000, 4, 494, 0, 2, 2,  1, 3, 2, 2, 0, 0x816817},
>> -	{148500000, 185625000, 4, 495, 0, 2, 2,  1, 3, 2, 2, 0, 0},
>> -	{296703000, 296703000, 1,  98, 0, 1, 1,  1, 0, 2, 2, 0, 0xE6AE6B},
>> -	{297000000, 297000000, 1,  99, 0, 1, 1,  1, 0, 2, 2, 0, 0},
>> -	{296703000, 370878750, 4, 494, 1, 2, 0,  1, 3, 1, 1, 0, 0x816817},
>> -	{297000000, 371250000, 4, 495, 1, 2, 0,  1, 3, 1, 1, 0, 0},
>> -	{593407000, 296703500, 1,  98, 0, 1, 1,  1, 0, 2, 1, 0, 0xE6AE6B},
>> -	{594000000, 297000000, 1,  99, 0, 1, 1,  1, 0, 2, 1, 0, 0},
>> -	{593407000, 370879375, 4, 494, 1, 2, 0,  1, 3, 1, 1, 1, 0x816817},
>> -	{594000000, 371250000, 4, 495, 1, 2, 0,  1, 3, 1, 1, 1, 0},
>> -	{593407000, 593407000, 1,  98, 0, 2, 0,  1, 0, 1, 1, 0, 0xE6AE6B},
>> -	{594000000, 594000000, 1,  99, 0, 2, 0,  1, 0, 1, 1, 0, 0},
>> +	{ 27000000,  27000000, 1,  90, 3, 2, 2, 10, 3, 3,  4, 0, 0},
>> +	{ 27000000,  33750000, 1,  90, 1, 3, 3, 10, 3, 3,  4, 0, 0},
>> +	{ 40000000,  40000000, 1,  80, 2, 2, 2, 12, 2, 2,  2, 0, 0},
>> +	{ 40000000,  50000000, 1, 100, 2, 2, 2,  1, 0, 0, 15, 0, 0},
>> +	{ 59341000,  59341000, 1,  98, 3, 1, 2,  1, 3, 3,  4, 0, 0xE6AE6B},
>> +	{ 59400000,  59400000, 1,  99, 3, 1, 1,  1, 3, 3,  4, 0, 0},
>> +	{ 59341000,  74176250, 1,  98, 0, 3, 3,  1, 3, 3,  4, 0, 0xE6AE6B},
>> +	{ 59400000,  74250000, 1,  99, 1, 2, 2,  1, 3, 3,  4, 0, 0},
>> +	{ 65000000,  65000000, 1, 130, 2, 2, 2,  1, 0, 0, 12, 0, 0},
>> +	{ 65000000,  81250000, 3, 325, 0, 3, 3,  1, 0, 0, 10, 0, 0},
>> +	{ 71000000,  71000000, 3, 284, 0, 3, 3,  1, 0, 0,  8, 0, 0},
>> +	{ 71000000,  88750000, 3, 355, 0, 3, 3,  1, 0, 0, 10, 0, 0},
>> +	{ 74176000,  74176000, 1,  98, 1, 2, 2,  1, 2, 3,  4, 0, 0xE6AE6B},
>> +	{ 74250000,  74250000, 1,  99, 1, 2, 2,  1, 2, 3,  4, 0, 0},
>> +	{ 74176000,  92720000, 4, 494, 1, 2, 2,  1, 3, 3,  4, 0, 0x816817},
>> +	{ 74250000,  92812500, 4, 495, 1, 2, 2,  1, 3, 3,  4, 0, 0},
>> +	{ 83500000,  83500000, 2, 167, 2, 1, 1,  1, 0, 0,  6, 0, 0},
>> +	{ 83500000, 104375000, 1, 104, 2, 1, 1,  1, 1, 0,  5, 0, 0x600000},
>> +	{ 85750000,  85750000, 3, 343, 0, 3, 3,  1, 0, 0,  8, 0, 0},
>> +	{ 88750000,  88750000, 3, 355, 0, 3, 3,  1, 0, 0,  8, 0, 0},
>> +	{ 88750000, 110937500, 1, 110, 2, 1, 1,  1, 1, 0,  5, 0, 0xF00000},
>> +	{108000000, 108000000, 1,  90, 3, 0, 0,  1, 0, 0,  5, 0, 0},
>> +	{108000000, 135000000, 1,  90, 0, 2, 2,  1, 0, 0,  5, 0, 0},
>> +	{119000000, 119000000, 1, 119, 2, 1, 1,  1, 0, 0,  6, 0, 0},
>> +	{119000000, 148750000, 1,  99, 0, 2, 2,  1, 0, 0,  5, 0, 0x2AAAAA},
>> +	{148352000, 148352000, 1,  98, 1, 1, 1,  1, 2, 2,  2, 0, 0xE6AE6B},
>> +	{148500000, 148500000, 1,  99, 1, 1, 1,  1, 2, 2,  2, 0, 0},
>> +	{148352000, 185440000, 4, 494, 0, 2, 2,  1, 3, 2,  2, 0, 0x816817},
>> +	{148500000, 185625000, 4, 495, 0, 2, 2,  1, 3, 2,  2, 0, 0},
>> +	{162000000, 162000000, 1, 108, 0, 2, 2,  1, 0, 0,  4, 0, 0},
>> +	{162000000, 202500000, 1, 135, 0, 2, 2,  1, 0, 0,  5, 0, 0},
>> +	{296703000, 296703000, 1,  98, 0, 1, 1,  1, 0, 2,  2, 0, 0xE6AE6B},
>> +	{297000000, 297000000, 1,  99, 0, 1, 1,  1, 0, 2,  2, 0, 0},
>> +	{296703000, 370878750, 4, 494, 1, 2, 0,  1, 3, 1,  1, 0, 0x816817},
>> +	{297000000, 371250000, 4, 495, 1, 2, 0,  1, 3, 1,  1, 0, 0},
>> +	{593407000, 296703500, 1,  98, 0, 1, 1,  1, 0, 2,  1, 0, 0xE6AE6B},
>> +	{594000000, 297000000, 1,  99, 0, 1, 1,  1, 0, 2,  1, 0, 0},
>> +	{593407000, 370879375, 4, 494, 1, 2, 0,  1, 3, 1,  1, 1, 0x816817},
>> +	{594000000, 371250000, 4, 495, 1, 2, 0,  1, 3, 1,  1, 1, 0},
>> +	{593407000, 593407000, 1,  98, 0, 2, 0,  1, 0, 1,  1, 0, 0xE6AE6B},
>> +	{594000000, 594000000, 1,  99, 0, 2, 0,  1, 0, 1,  1, 0, 0},
>>  	{ /* sentinel */ }
>>  };
>>  
>>
> 

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