linux-kernel - Re: [PATCH v3 05/15] drm: bridge/dw_hdmi: combine hdmi_set_clock_regenerator_n() and hdmi_regenerate

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Message-ID: <54D5877D.1070500@rock-chips.com>
Date:	Sat, 07 Feb 2015 11:33:17 +0800
From:	yakir <ykk@...k-chips.com>
To:	Daniel Kurtz <djkurtz@...omium.org>
CC:	David Airlie <airlied@...ux.ie>,
	Russell King <rmk+kernel@....linux.org.uk>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	Fabio Estevam <fabio.estevam@...escale.com>,
	Shawn Guo <shawn.guo@...aro.org>,
	Rob Clark <robdclark@...il.com>,
	Mark Yao <mark.yao@...k-chips.com>,
	Daniel Vetter <daniel@...ll.ch>,
	dri-devel <dri-devel@...ts.freedesktop.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Arnd Bergmann <arnd@...db.de>, Sean Cross <xobs@...agi.com>,
	Jyri Sarha <jsarha@...com>, Ben Zhang <benzh@...omium.org>,
	alsa-devel@...a-project.org, Heiko Stuebner <heiko@...ech.de>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	"open list:OPEN FIRMWARE AND..." <devicetree@...r.kernel.org>,
	Heiko Stübner <mmind00@...glemail.com>,
	Douglas Anderson <dianders@...omium.org>,
	Stéphane Marchesin <marcheu@...omium.org>,
	"open list:ARM/Rockchip SoC..." <linux-rockchip@...ts.infradead.org>
Subject: Re: [PATCH v3 05/15] drm: bridge/dw_hdmi: combine hdmi_set_clock_regenerator_n()
 and hdmi_regenerate_cts()


On 02/05/2015 11:54 PM, Daniel Kurtz wrote:
> On Tue, Feb 3, 2015 at 11:12 PM, Yakir Yang <ykk@...k-chips.com> wrote:
>> Signed-off-by: Yakir Yang <ykk@...k-chips.com>
> Reviewed-by: Daniel Kurtz <djkurtz@...omium.org>

Okay, add in next verson4.

Thanks.  : )
>
>> ---
>> Changes in v3:
>> - Combine hdmi_set_clock_regenerator_n() and hdmi_regenerate_cts()
>>
>> Changes in v2: None
>>
>>   drivers/gpu/drm/bridge/dw_hdmi.c | 16 ++++++----------
>>   1 file changed, 6 insertions(+), 10 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/bridge/dw_hdmi.c b/drivers/gpu/drm/bridge/dw_hdmi.c
>> index 7b5b664..262163f 100644
>> --- a/drivers/gpu/drm/bridge/dw_hdmi.c
>> +++ b/drivers/gpu/drm/bridge/dw_hdmi.c
>> @@ -196,19 +196,16 @@ static void hdmi_mask_writeb(struct dw_hdmi *hdmi, u8 data, unsigned int reg,
>>          hdmi_modb(hdmi, data << shift, mask, reg);
>>   }
>>
>> -static void hdmi_set_clock_regenerator_n(struct dw_hdmi *hdmi,
>> -                                        unsigned int value)
>> +static void hdmi_set_clock_regenerator(struct dw_hdmi *hdmi,
>> +                                      unsigned int n, unsigned int cts)
>>   {
>> -       hdmi_writeb(hdmi, value & 0xff, HDMI_AUD_N1);
>> -       hdmi_writeb(hdmi, (value >> 8) & 0xff, HDMI_AUD_N2);
>> -       hdmi_writeb(hdmi, (value >> 16) & 0x0f, HDMI_AUD_N3);
>> +       hdmi_writeb(hdmi, n & 0xff, HDMI_AUD_N1);
>> +       hdmi_writeb(hdmi, (n >> 8) & 0xff, HDMI_AUD_N2);
>> +       hdmi_writeb(hdmi, (n >> 16) & 0x0f, HDMI_AUD_N3);
>>
>>          /* nshift factor = 0 */
>>          hdmi_modb(hdmi, 0, HDMI_AUD_CTS3_N_SHIFT_MASK, HDMI_AUD_CTS3);
>> -}
>>
>> -static void hdmi_regenerate_cts(struct dw_hdmi *hdmi, unsigned int cts)
>> -{
>>          /* Must be set/cleared first */
>>          hdmi_modb(hdmi, 0, HDMI_AUD_CTS3_CTS_MANUAL, HDMI_AUD_CTS3);
>>
>> @@ -374,8 +371,7 @@ static void hdmi_set_clk_regenerator(struct dw_hdmi *hdmi,
>>                  __func__, hdmi->sample_rate, hdmi->ratio,
>>                  pixel_clk, clk_n, clk_cts);
>>
>> -       hdmi_set_clock_regenerator_n(hdmi, clk_n);
>> -       hdmi_regenerate_cts(hdmi, clk_cts);
>> +       hdmi_set_clock_regenerator(hdmi, clk_n, clk_cts);
>>   }
>>
>>   static void hdmi_init_clk_regenerator(struct dw_hdmi *hdmi)
>> --
>> 2.1.2
>>
>>
>
>


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