linux-kernel - Re: [PATCH v5 02/12] phy: hdmi: Add color depth configuration

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Message-ID: <CAA8EJpqCUWH95Ew57K_HKmPGhf40G_2n09SWKTonvyUn2vE4oQ@mail.gmail.com>
Date: Sun, 9 Mar 2025 12:10:43 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Cristian Ciocaltea <cristian.ciocaltea@...labora.com>
Cc: Vinod Koul <vkoul@...nel.org>, Kishon Vijay Abraham I <kishon@...nel.org>, 
	Heiko Stuebner <heiko@...ech.de>, Algea Cao <algea.cao@...k-chips.com>, 
	Sandor Yu <Sandor.yu@....com>, Maxime Ripard <mripard@...nel.org>, kernel@...labora.com, 
	linux-kernel@...r.kernel.org, linux-phy@...ts.infradead.org, 
	linux-arm-kernel@...ts.infradead.org, linux-rockchip@...ts.infradead.org
Subject: Re: [PATCH v5 02/12] phy: hdmi: Add color depth configuration

On Sun, 9 Mar 2025 at 12:10, Cristian Ciocaltea
<cristian.ciocaltea@...labora.com> wrote:
>
> Hi Dmitry,
>
> On 3/9/25 11:16 AM, Dmitry Baryshkov wrote:
> > On Sat, 8 Mar 2025 at 14:21, Cristian Ciocaltea
> > <cristian.ciocaltea@...labora.com> wrote:
> >>
> >> Extend the HDMI configuration options to allow managing bits per color
> >> channel.  This is required by some PHY drivers such as
> >> rockchip-samsung-hdptx.
> >>
> >> Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@...labora.com>
> >> ---
> >>  include/linux/phy/phy-hdmi.h | 2 ++
> >>  1 file changed, 2 insertions(+)
> >>
> >
> > Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
> >
> > Just to confirm, are you passing TMDS char rate or pixel clock for
> > DeepColor (bpc > 8) modes?
>
> It's the TMDS char rate, but we still need the bpc info to program
> CMN_REG(0086) in PATCH 12.

Thanks for the confirmation.

-- 
With best wishes
Dmitry