From: Sascha Hauer <s.hauer@pengutronix.de>
To: Rob Herring <robh@kernel.org>
Cc: dri-devel@lists.freedesktop.org,
linux-arm-kernel@lists.infradead.org,
linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org,
kernel@pengutronix.de, "Andy Yan" <andy.yan@rock-chips.com>,
"Benjamin Gaignard" <benjamin.gaignard@collabora.com>,
"Michael Riesch" <michael.riesch@wolfvision.net>,
"Sandy Huang" <hjc@rock-chips.com>,
"Heiko Stübner" <heiko@sntech.de>,
"Peter Geis" <pgwipeout@gmail.com>
Subject: Re: [PATCH 08/22] dt-bindings: display: rockchip: dw-hdmi: use "ref" as clock name
Date: Wed, 22 Dec 2021 11:47:36 +0100 [thread overview]
Message-ID: <20211222104736.GZ6003@pengutronix.de> (raw)
In-Reply-To: <YcHlO/m/tGEEMnX9@robh.at.kernel.org>
On Tue, Dec 21, 2021 at 10:31:23AM -0400, Rob Herring wrote:
> On Mon, Dec 20, 2021 at 12:06:16PM +0100, Sascha Hauer wrote:
> > "vpll" is a misnomer. A clock input to a device should be named after
> > the usage in the device, not after the clock that drives it. On the
> > rk3568 the same clock is driven by the HPLL.
> > To fix that, this patch renames the vpll clock to ref clock.
>
> The problem with this series is it breaks an old kernel with new dt. You
> can partially mitigate that with stable kernel backport, but IMO keeping
> the old name is not a burden to maintain.
As suggested I only removed vpll from the binding document, but not from
the code. The code still handles the old binding as well.
Sascha
--
Pengutronix e.K. | |
Steuerwalder Str. 21 | http://www.pengutronix.de/ |
31137 Hildesheim, Germany | Phone: +49-5121-206917-0 |
Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
WARNING: multiple messages have this Message-ID (diff)
From: Sascha Hauer <s.hauer@pengutronix.de>
To: Rob Herring <robh@kernel.org>
Cc: dri-devel@lists.freedesktop.org,
linux-arm-kernel@lists.infradead.org,
linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org,
kernel@pengutronix.de, "Andy Yan" <andy.yan@rock-chips.com>,
"Benjamin Gaignard" <benjamin.gaignard@collabora.com>,
"Michael Riesch" <michael.riesch@wolfvision.net>,
"Sandy Huang" <hjc@rock-chips.com>,
"Heiko Stübner" <heiko@sntech.de>,
"Peter Geis" <pgwipeout@gmail.com>
Subject: Re: [PATCH 08/22] dt-bindings: display: rockchip: dw-hdmi: use "ref" as clock name
Date: Wed, 22 Dec 2021 11:47:36 +0100 [thread overview]
Message-ID: <20211222104736.GZ6003@pengutronix.de> (raw)
In-Reply-To: <YcHlO/m/tGEEMnX9@robh.at.kernel.org>
On Tue, Dec 21, 2021 at 10:31:23AM -0400, Rob Herring wrote:
> On Mon, Dec 20, 2021 at 12:06:16PM +0100, Sascha Hauer wrote:
> > "vpll" is a misnomer. A clock input to a device should be named after
> > the usage in the device, not after the clock that drives it. On the
> > rk3568 the same clock is driven by the HPLL.
> > To fix that, this patch renames the vpll clock to ref clock.
>
> The problem with this series is it breaks an old kernel with new dt. You
> can partially mitigate that with stable kernel backport, but IMO keeping
> the old name is not a burden to maintain.
As suggested I only removed vpll from the binding document, but not from
the code. The code still handles the old binding as well.
Sascha
--
Pengutronix e.K. | |
Steuerwalder Str. 21 | http://www.pengutronix.de/ |
31137 Hildesheim, Germany | Phone: +49-5121-206917-0 |
Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
_______________________________________________
Linux-rockchip mailing list
Linux-rockchip@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-rockchip
WARNING: multiple messages have this Message-ID (diff)
From: Sascha Hauer <s.hauer@pengutronix.de>
To: Rob Herring <robh@kernel.org>
Cc: devicetree@vger.kernel.org,
Benjamin Gaignard <benjamin.gaignard@collabora.com>,
Peter Geis <pgwipeout@gmail.com>,
Sandy Huang <hjc@rock-chips.com>,
dri-devel@lists.freedesktop.org,
linux-rockchip@lists.infradead.org,
Michael Riesch <michael.riesch@wolfvision.net>,
kernel@pengutronix.de, Andy Yan <andy.yan@rock-chips.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 08/22] dt-bindings: display: rockchip: dw-hdmi: use "ref" as clock name
Date: Wed, 22 Dec 2021 11:47:36 +0100 [thread overview]
Message-ID: <20211222104736.GZ6003@pengutronix.de> (raw)
In-Reply-To: <YcHlO/m/tGEEMnX9@robh.at.kernel.org>
On Tue, Dec 21, 2021 at 10:31:23AM -0400, Rob Herring wrote:
> On Mon, Dec 20, 2021 at 12:06:16PM +0100, Sascha Hauer wrote:
> > "vpll" is a misnomer. A clock input to a device should be named after
> > the usage in the device, not after the clock that drives it. On the
> > rk3568 the same clock is driven by the HPLL.
> > To fix that, this patch renames the vpll clock to ref clock.
>
> The problem with this series is it breaks an old kernel with new dt. You
> can partially mitigate that with stable kernel backport, but IMO keeping
> the old name is not a burden to maintain.
As suggested I only removed vpll from the binding document, but not from
the code. The code still handles the old binding as well.
Sascha
--
Pengutronix e.K. | |
Steuerwalder Str. 21 | http://www.pengutronix.de/ |
31137 Hildesheim, Germany | Phone: +49-5121-206917-0 |
Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
WARNING: multiple messages have this Message-ID (diff)
From: Sascha Hauer <s.hauer@pengutronix.de>
To: Rob Herring <robh@kernel.org>
Cc: dri-devel@lists.freedesktop.org,
linux-arm-kernel@lists.infradead.org,
linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org,
kernel@pengutronix.de, "Andy Yan" <andy.yan@rock-chips.com>,
"Benjamin Gaignard" <benjamin.gaignard@collabora.com>,
"Michael Riesch" <michael.riesch@wolfvision.net>,
"Sandy Huang" <hjc@rock-chips.com>,
"Heiko Stübner" <heiko@sntech.de>,
"Peter Geis" <pgwipeout@gmail.com>
Subject: Re: [PATCH 08/22] dt-bindings: display: rockchip: dw-hdmi: use "ref" as clock name
Date: Wed, 22 Dec 2021 11:47:36 +0100 [thread overview]
Message-ID: <20211222104736.GZ6003@pengutronix.de> (raw)
In-Reply-To: <YcHlO/m/tGEEMnX9@robh.at.kernel.org>
On Tue, Dec 21, 2021 at 10:31:23AM -0400, Rob Herring wrote:
> On Mon, Dec 20, 2021 at 12:06:16PM +0100, Sascha Hauer wrote:
> > "vpll" is a misnomer. A clock input to a device should be named after
> > the usage in the device, not after the clock that drives it. On the
> > rk3568 the same clock is driven by the HPLL.
> > To fix that, this patch renames the vpll clock to ref clock.
>
> The problem with this series is it breaks an old kernel with new dt. You
> can partially mitigate that with stable kernel backport, but IMO keeping
> the old name is not a burden to maintain.
As suggested I only removed vpll from the binding document, but not from
the code. The code still handles the old binding as well.
Sascha
--
Pengutronix e.K. | |
Steuerwalder Str. 21 | http://www.pengutronix.de/ |
31137 Hildesheim, Germany | Phone: +49-5121-206917-0 |
Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-12-22 10:47 UTC|newest]
Thread overview: 190+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-20 11:06 [PATCH v3 00/22] drm/rockchip: RK356x VOP2 support Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` [PATCH 01/22] drm/rockchip: dw_hdmi: Do not leave clock enabled in error case Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` [PATCH 02/22] drm/rockchip: dw_hdmi: rename vpll clock to reference clock Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` [PATCH 03/22] drm/rockchip: dw_hdmi: add rk3568 support Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` [PATCH 04/22] drm/rockchip: dw_hdmi: add regulator support Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` [PATCH 05/22] drm/rockchip: dw_hdmi: Add support for hclk Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` [PATCH 06/22] dt-bindings: display: rockchip: dw-hdmi: Add compatible for rk3568 HDMI Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` [PATCH 07/22] dt-bindings: display: rockchip: dw-hdmi: Make unwedge pinctrl optional Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 14:27 ` Rob Herring
2021-12-20 14:27 ` Rob Herring
2021-12-20 14:27 ` Rob Herring
2021-12-20 14:27 ` Rob Herring
2021-12-20 11:06 ` [PATCH 08/22] dt-bindings: display: rockchip: dw-hdmi: use "ref" as clock name Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 14:27 ` Rob Herring
2021-12-20 14:27 ` Rob Herring
2021-12-20 14:27 ` Rob Herring
2021-12-20 14:27 ` Rob Herring
2021-12-21 14:31 ` Rob Herring
2021-12-21 14:31 ` Rob Herring
2021-12-21 14:31 ` Rob Herring
2021-12-21 14:31 ` Rob Herring
2021-12-22 10:47 ` Sascha Hauer [this message]
2021-12-22 10:47 ` Sascha Hauer
2021-12-22 10:47 ` Sascha Hauer
2021-12-22 10:47 ` Sascha Hauer
2021-12-22 13:52 ` Rob Herring
2021-12-22 13:52 ` Rob Herring
2021-12-22 13:52 ` Rob Herring
2021-12-22 13:52 ` Rob Herring
2021-12-22 19:39 ` Heiko Stübner
2021-12-22 19:39 ` Heiko Stübner
2021-12-22 19:39 ` Heiko Stübner
2021-12-22 19:39 ` Heiko Stübner
2021-12-22 19:44 ` Nicolas Frattaroli
2021-12-22 19:44 ` Nicolas Frattaroli
2021-12-22 19:44 ` Nicolas Frattaroli
2021-12-22 19:44 ` Nicolas Frattaroli
2021-12-22 19:56 ` Rob Herring
2021-12-22 19:56 ` Rob Herring
2021-12-22 19:56 ` Rob Herring
2021-12-22 19:56 ` Rob Herring
2021-12-20 11:06 ` [PATCH 09/22] dt-bindings: display: rockchip: dw-hdmi: Add regulator support Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 14:27 ` Rob Herring
2021-12-20 14:27 ` Rob Herring
2021-12-20 14:27 ` Rob Herring
2021-12-20 14:27 ` Rob Herring
2021-12-20 11:06 ` [PATCH 10/22] dt-bindings: display: rockchip: dw-hdmi: Add additional clock Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` [PATCH 11/22] dt-bindings: display: rockchip: Add binding for VOP2 Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 14:27 ` Rob Herring
2021-12-20 14:27 ` Rob Herring
2021-12-20 14:27 ` Rob Herring
2021-12-20 14:27 ` Rob Herring
2021-12-21 14:33 ` Rob Herring
2021-12-21 14:33 ` Rob Herring
2021-12-21 14:33 ` Rob Herring
2021-12-21 14:33 ` Rob Herring
2021-12-20 11:06 ` [PATCH 12/22] arm64: dts: rockchip: rk3399: reorder hmdi clocks Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` [PATCH 13/22] arm64: dts: rockchip: rk3399: rename HDMI ref clock to 'ref' Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` [PATCH 14/22] arm64: dts: rockchip: rk356x: Add VOP2 nodes Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` [PATCH 15/22] arm64: dts: rockchip: rk356x: Add HDMI nodes Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` [PATCH 16/22] arm64: dts: rockchip: rk3568-evb: Enable VOP2 and hdmi Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` [PATCH 17/22] arm64: dts: rockchip: enable vop2 and hdmi tx on quartz64a Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` [PATCH 18/22] clk: rk3568: drop CLK_SET_RATE_PARENT from dclk_vop* Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` [PATCH 19/22] clk: rk3568: Add CLK_SET_RATE_PARENT to the HDMI reference clock Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` [PATCH 20/22] drm/encoder: Add of_graph port to struct drm_encoder Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-21 17:31 ` Heiko Stübner
2021-12-21 17:31 ` Heiko Stübner
2021-12-21 17:31 ` Heiko Stübner
2021-12-21 17:31 ` Heiko Stübner
2021-12-20 11:06 ` [PATCH 21/22] drm/rockchip: Make VOP driver optional Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` [PATCH 22/22] drm: rockchip: Add VOP2 driver Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 11:06 ` Sascha Hauer
2021-12-20 14:16 ` Nicolas Frattaroli
2021-12-20 14:16 ` Nicolas Frattaroli
2021-12-20 14:16 ` Nicolas Frattaroli
2021-12-20 14:16 ` Nicolas Frattaroli
2021-12-20 16:53 ` Nicolas Frattaroli
2021-12-20 16:53 ` Nicolas Frattaroli
2021-12-20 16:53 ` Nicolas Frattaroli
2021-12-20 16:53 ` Nicolas Frattaroli
2021-12-20 18:51 ` Sascha Hauer
2021-12-20 18:51 ` Sascha Hauer
2021-12-20 18:51 ` Sascha Hauer
2021-12-20 18:51 ` Sascha Hauer
2021-12-20 23:20 ` kernel test robot
2021-12-20 23:20 ` kernel test robot
2021-12-20 23:20 ` kernel test robot
2021-12-20 23:20 ` kernel test robot
2021-12-21 13:44 ` Nicolas Frattaroli
2021-12-21 13:44 ` Nicolas Frattaroli
2021-12-21 13:44 ` Nicolas Frattaroli
2021-12-21 13:44 ` Nicolas Frattaroli
2021-12-22 17:07 ` Nicolas Frattaroli
2021-12-22 17:07 ` Nicolas Frattaroli
2021-12-22 17:07 ` Nicolas Frattaroli
2021-12-22 17:07 ` Nicolas Frattaroli
2022-01-03 14:55 ` Sascha Hauer
2022-01-03 14:55 ` Sascha Hauer
2022-01-03 14:55 ` Sascha Hauer
2022-01-03 14:55 ` Sascha Hauer
2022-01-04 11:07 ` Andy Yan
2022-01-04 11:07 ` Andy Yan
2022-01-04 11:07 ` Andy Yan
2022-01-05 12:20 ` Sascha Hauer
2022-01-05 12:20 ` Sascha Hauer
2022-01-05 12:20 ` Sascha Hauer
2022-01-05 12:20 ` Sascha Hauer
2021-12-20 11:51 ` [PATCH v3 00/22] drm/rockchip: RK356x VOP2 support Nicolas Frattaroli
2021-12-20 11:51 ` Nicolas Frattaroli
2021-12-20 11:51 ` Nicolas Frattaroli
2021-12-20 11:51 ` Nicolas Frattaroli
2022-01-19 11:29 ` Piotr Oniszczuk
2022-01-19 11:29 ` Piotr Oniszczuk
2022-01-19 11:29 ` Piotr Oniszczuk
2022-01-19 11:29 ` Piotr Oniszczuk
2022-01-21 10:32 ` Sascha Hauer
2022-01-21 10:32 ` Sascha Hauer
2022-01-21 10:32 ` Sascha Hauer
2022-01-21 10:32 ` Sascha Hauer
2022-01-21 15:43 ` Piotr Oniszczuk
2022-01-21 15:43 ` Piotr Oniszczuk
2022-01-21 15:43 ` Piotr Oniszczuk
2022-01-21 15:43 ` Piotr Oniszczuk
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