From: Chen-Yu Tsai <wens@csie.org>
To: Jagan Teki <jagan@openedev.com>
Cc: Jernej Skrabec <jernej.skrabec@siol.net>,
Maxime Ripard <maxime.ripard@bootlin.com>,
Rob Herring <robh+dt@kernel.org>, Stephen Boyd <sboyd@kernel.org>,
David Airlie <airlied@linux.ie>,
Archit Taneja <architt@codeaurora.org>,
Andrzej Hajda <a.hajda@samsung.com>,
Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
devicetree <devicetree@vger.kernel.org>,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
linux-clk <linux-clk@vger.kernel.org>,
dri-devel <dri-devel@lists.freedesktop.org>,
linux-sunxi <linux-sunxi@googlegroups.com>
Subject: Re: [linux-sunxi] [PATCH v2 04/29] clk: sunxi-ng: h6: Set video PLLs limits
Date: Fri, 12 Oct 2018 17:03:41 +0800 [thread overview]
Message-ID: <CAGb2v64GM4JBx4SqjpWgAw3kEKA9m2-7trwiok8fy+xOQGV7Eg@mail.gmail.com> (raw)
In-Reply-To: <a303145c-b123-d912-91d7-9830dec3244e@openedev.com>
On Fri, Oct 12, 2018 at 4:14 PM Jagan Teki <jagan@openedev.com> wrote:
>
> On Sunday 07 October 2018 03:08 PM, Jernej Skrabec wrote:
> > Video PLL factors can be set in a way that final PLL rate is outside
> > stable range. H6 user manual specifically says that N factor should not
> > be below 12. While it doesn't says anything about maximum stable rate, it
>
> Manual says "In application, PLL_FACTOR_N should be more than or equal
> to 11" can't it be 11?
PLL_FACTOR_N is the raw value, which starts from 0.
That translates to an actual factor of 12 used in the calculations.
> > is clear that PLL doesn't work at 6.096 GHz (254 * 24 MHz).
> >
> > Set minimum allowed PLL video rate to 288 MHz (12 * 24 MHz) and maximum
> > to 2.4 GHz, which is maximum in BSP driver.
>
> Is this max freq from here [1]
>
> [1]
> https://github.com/Allwinner-Homlet/H6-BSP4.9-linux/blob/master/drivers/clk/sunxi/clk-sun50iw6.c#L164
>
> --
> You received this message because you are subscribed to the Google Groups "linux-sunxi" group.
> To unsubscribe from this group and stop receiving emails from it, send an email to linux-sunxi+unsubscribe@googlegroups.com.
> For more options, visit https://groups.google.com/d/optout.
WARNING: multiple messages have this Message-ID (diff)
From: Chen-Yu Tsai <wens-jdAy2FN1RRM@public.gmane.org>
To: Jagan Teki <jagan-oRp2ZoJdM/RWk0Htik3J/w@public.gmane.org>
Cc: Jernej Skrabec <jernej.skrabec-gGgVlfcn5nU@public.gmane.org>,
Maxime Ripard
<maxime.ripard-LDxbnhwyfcJBDgjK7y7TUQ@public.gmane.org>,
Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Stephen Boyd <sboyd-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
David Airlie <airlied-cv59FeDIM0c@public.gmane.org>,
Archit Taneja <architt-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>,
Andrzej Hajda <a.hajda-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>,
Laurent Pinchart
<Laurent.pinchart-ryLnwIuWjnjg/C1BVhZhaw@public.gmane.org>,
devicetree <devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
linux-arm-kernel
<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>,
linux-kernel
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
linux-clk <linux-clk-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
dri-devel
<dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>,
linux-sunxi <linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org>
Subject: Re: [PATCH v2 04/29] clk: sunxi-ng: h6: Set video PLLs limits
Date: Fri, 12 Oct 2018 17:03:41 +0800 [thread overview]
Message-ID: <CAGb2v64GM4JBx4SqjpWgAw3kEKA9m2-7trwiok8fy+xOQGV7Eg@mail.gmail.com> (raw)
In-Reply-To: <a303145c-b123-d912-91d7-9830dec3244e-oRp2ZoJdM/RWk0Htik3J/w@public.gmane.org>
On Fri, Oct 12, 2018 at 4:14 PM Jagan Teki <jagan-oRp2ZoJdM/RWk0Htik3J/w@public.gmane.org> wrote:
>
> On Sunday 07 October 2018 03:08 PM, Jernej Skrabec wrote:
> > Video PLL factors can be set in a way that final PLL rate is outside
> > stable range. H6 user manual specifically says that N factor should not
> > be below 12. While it doesn't says anything about maximum stable rate, it
>
> Manual says "In application, PLL_FACTOR_N should be more than or equal
> to 11" can't it be 11?
PLL_FACTOR_N is the raw value, which starts from 0.
That translates to an actual factor of 12 used in the calculations.
> > is clear that PLL doesn't work at 6.096 GHz (254 * 24 MHz).
> >
> > Set minimum allowed PLL video rate to 288 MHz (12 * 24 MHz) and maximum
> > to 2.4 GHz, which is maximum in BSP driver.
>
> Is this max freq from here [1]
>
> [1]
> https://github.com/Allwinner-Homlet/H6-BSP4.9-linux/blob/master/drivers/clk/sunxi/clk-sun50iw6.c#L164
>
> --
> You received this message because you are subscribed to the Google Groups "linux-sunxi" group.
> To unsubscribe from this group and stop receiving emails from it, send an email to linux-sunxi+unsubscribe-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org
> For more options, visit https://groups.google.com/d/optout.
WARNING: multiple messages have this Message-ID (diff)
From: wens@csie.org (Chen-Yu Tsai)
To: linux-arm-kernel@lists.infradead.org
Subject: [linux-sunxi] [PATCH v2 04/29] clk: sunxi-ng: h6: Set video PLLs limits
Date: Fri, 12 Oct 2018 17:03:41 +0800 [thread overview]
Message-ID: <CAGb2v64GM4JBx4SqjpWgAw3kEKA9m2-7trwiok8fy+xOQGV7Eg@mail.gmail.com> (raw)
In-Reply-To: <a303145c-b123-d912-91d7-9830dec3244e@openedev.com>
On Fri, Oct 12, 2018 at 4:14 PM Jagan Teki <jagan@openedev.com> wrote:
>
> On Sunday 07 October 2018 03:08 PM, Jernej Skrabec wrote:
> > Video PLL factors can be set in a way that final PLL rate is outside
> > stable range. H6 user manual specifically says that N factor should not
> > be below 12. While it doesn't says anything about maximum stable rate, it
>
> Manual says "In application, PLL_FACTOR_N should be more than or equal
> to 11" can't it be 11?
PLL_FACTOR_N is the raw value, which starts from 0.
That translates to an actual factor of 12 used in the calculations.
> > is clear that PLL doesn't work at 6.096 GHz (254 * 24 MHz).
> >
> > Set minimum allowed PLL video rate to 288 MHz (12 * 24 MHz) and maximum
> > to 2.4 GHz, which is maximum in BSP driver.
>
> Is this max freq from here [1]
>
> [1]
> https://github.com/Allwinner-Homlet/H6-BSP4.9-linux/blob/master/drivers/clk/sunxi/clk-sun50iw6.c#L164
>
> --
> You received this message because you are subscribed to the Google Groups "linux-sunxi" group.
> To unsubscribe from this group and stop receiving emails from it, send an email to linux-sunxi+unsubscribe at googlegroups.com.
> For more options, visit https://groups.google.com/d/optout.
next prev parent reply other threads:[~2018-10-12 9:04 UTC|newest]
Thread overview: 155+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-07 9:38 [PATCH v2 00/29] Allwinner H6 DE3 and HDMI support Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-07 9:38 ` [PATCH v2 01/29] dt-bindings: bus: add H6 DE3 bus binding Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-08 8:31 ` Maxime Ripard
2018-10-08 8:31 ` Maxime Ripard
2018-10-08 8:31 ` Maxime Ripard
2018-10-08 14:25 ` Jernej Škrabec
2018-10-08 14:25 ` Jernej Škrabec
2018-10-08 14:25 ` Jernej Škrabec
2018-10-07 9:38 ` [PATCH v2 02/29] clk: sunxi-ng: Adjust MP clock parent rate when allowed Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-07 9:38 ` [PATCH v2 03/29] clk: sunxi-ng: Use u64 for calculation of NM rate Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-07 9:38 ` [PATCH v2 04/29] clk: sunxi-ng: h6: Set video PLLs limits Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-12 8:13 ` [linux-sunxi] " Jagan Teki
2018-10-12 8:13 ` Jagan Teki
2018-10-12 8:13 ` Jagan Teki
2018-10-12 9:03 ` Chen-Yu Tsai [this message]
2018-10-12 9:03 ` [linux-sunxi] " Chen-Yu Tsai
2018-10-12 9:03 ` Chen-Yu Tsai
2018-10-07 9:38 ` [PATCH v2 05/29] dt-bindings: clock: sun8i-de2: Add H6 DE3 clock description Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-07 9:38 ` [PATCH v2 06/29] clk: sunxi-ng: Add support for H6 DE3 clocks Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-07 9:38 ` [PATCH v2 07/29] dt-bindings: display: sun4i-drm: Add H6 display engine compatibles Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-07 9:38 ` [PATCH v2 08/29] drm/sun4i: Add compatible for H6 display engine Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-07 9:38 ` [PATCH v2 09/29] drm/sun4i: Rework DE2 register defines Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-07 9:38 ` [PATCH v2 10/29] drm/sun4i: Rename DE2 registers related macros Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-08 10:18 ` Maxime Ripard
2018-10-08 10:18 ` Maxime Ripard
2018-10-08 10:18 ` Maxime Ripard
2018-10-08 14:28 ` Jernej Škrabec
2018-10-08 14:28 ` Jernej Škrabec
2018-10-08 14:28 ` Jernej Škrabec
2018-10-09 15:53 ` Maxime Ripard
2018-10-09 15:53 ` Maxime Ripard
2018-10-09 15:53 ` Maxime Ripard
2018-10-07 9:38 ` [PATCH v2 11/29] drm/sun4i: Fix DE2 mixer size Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-07 9:38 ` [PATCH v2 12/29] drm/sun4i: Disable unused DE2 sub-engines Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-07 9:38 ` [PATCH v2 13/29] drm/sun4i: Add basic support for DE3 Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-07 9:38 ` [PATCH v2 14/29] drm/sun4i: Add support for H6 DE3 mixer 0 Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-07 9:38 ` [PATCH v2 15/29] drm/bridge/synopsys: dw-hdmi: Enable workaround for v2.12a Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-09 17:40 ` Laurent Pinchart
2018-10-09 17:40 ` Laurent Pinchart
2018-10-09 17:40 ` Laurent Pinchart
2018-10-09 17:56 ` Ilia Mirkin
2018-10-09 17:56 ` Ilia Mirkin
2018-10-09 17:56 ` Ilia Mirkin
2018-10-09 21:23 ` Russell King - ARM Linux
2018-10-09 21:23 ` Russell King - ARM Linux
2018-10-15 17:43 ` [linux-sunxi] " Jernej Škrabec
2018-10-15 17:43 ` Jernej Škrabec
2018-10-15 17:43 ` Jernej Škrabec
2018-10-07 9:38 ` [PATCH v2 16/29] drm/sun4i: Not all DW HDMI controllers has scrambled addresses Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-07 9:38 ` [PATCH v2 17/29] drm/sun4i: dw-hdmi: Make mode_valid function configurable Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-07 9:38 ` [PATCH v2 18/29] drm/sun4i: dw-hdmi: Add quirk for setting TMDS clock Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-08 9:14 ` Maxime Ripard
2018-10-08 9:14 ` Maxime Ripard
2018-10-08 9:14 ` Maxime Ripard
2018-10-08 15:09 ` Jernej Škrabec
2018-10-08 15:09 ` Jernej Škrabec
2018-10-08 15:09 ` Jernej Škrabec
2018-10-09 9:14 ` Maxime Ripard
2018-10-09 9:14 ` Maxime Ripard
2018-10-09 9:14 ` Maxime Ripard
2018-10-07 9:38 ` [PATCH v2 19/29] dt-bindings: display: sunxi: add DT binding for Allwinner H6 DW HDMI Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-07 9:38 ` [PATCH v2 20/29] drm/sun4i: Add support for H6 DW HDMI controller Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-07 9:38 ` [PATCH v2 21/29] drm/sun4i: dw-hdmi-phy: Reorder quirks by family Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-07 9:38 ` [PATCH v2 22/29] drm/sun4i: Add support for Synopsys HDMI PHY Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-07 9:38 ` [PATCH v2 23/29] drm/sun4i: Add support for H6 " Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-07 9:38 ` Jernej Skrabec
2018-10-07 9:39 ` [PATCH v2 24/29] drm/sun4i: Initialize registers in tcon-top driver Jernej Skrabec
2018-10-07 9:39 ` Jernej Skrabec
2018-10-07 9:39 ` Jernej Skrabec
2018-10-07 9:39 ` [PATCH v2 25/29] drm: sun4i: add quirks for TCON TOP Jernej Skrabec
2018-10-07 9:39 ` Jernej Skrabec
2018-10-07 9:39 ` Jernej Skrabec
2018-10-08 8:51 ` Maxime Ripard
2018-10-08 8:51 ` Maxime Ripard
2018-10-08 8:51 ` Maxime Ripard
2018-10-08 9:06 ` Chen-Yu Tsai
2018-10-08 9:06 ` Chen-Yu Tsai
2018-10-08 9:06 ` Chen-Yu Tsai
2018-10-08 10:20 ` Maxime Ripard
2018-10-08 10:20 ` Maxime Ripard
2018-10-08 10:20 ` Maxime Ripard
2018-10-08 10:50 ` Chen-Yu Tsai
2018-10-08 10:50 ` Chen-Yu Tsai
2018-10-08 10:50 ` Chen-Yu Tsai
2018-10-08 12:33 ` Maxime Ripard
2018-10-08 12:33 ` Maxime Ripard
2018-10-08 12:33 ` Maxime Ripard
2018-10-08 13:10 ` Chen-Yu Tsai
2018-10-08 13:10 ` Chen-Yu Tsai
2018-10-08 13:10 ` Chen-Yu Tsai
2018-10-08 14:30 ` Jernej Škrabec
2018-10-08 14:30 ` Jernej Škrabec
2018-10-08 14:30 ` Jernej Škrabec
2018-10-07 9:39 ` [PATCH v2 26/29] dt-bindings: display: sun4i-drm: document H6 " Jernej Skrabec
2018-10-07 9:39 ` Jernej Skrabec
2018-10-07 9:39 ` Jernej Skrabec
2018-10-07 9:39 ` [PATCH v2 27/29] drm: sun4i: add support for " Jernej Skrabec
2018-10-07 9:39 ` Jernej Skrabec
2018-10-07 9:39 ` Jernej Skrabec
2018-10-07 9:39 ` [PATCH v2 28/29] arm64: dts: allwinner: h6: Add HDMI pipeline Jernej Skrabec
2018-10-07 9:39 ` Jernej Skrabec
2018-10-07 9:39 ` Jernej Skrabec
2018-10-07 9:39 ` [PATCH v2 29/29] arm64: dts: allwinner: h6: Enable HDMI output on Pine H64 board Jernej Skrabec
2018-10-07 9:39 ` Jernej Skrabec
2018-10-07 9:39 ` Jernej Skrabec
2018-10-07 9:50 ` [linux-sunxi] [PATCH v2 00/29] Allwinner H6 DE3 and HDMI support Jernej Škrabec
2018-10-07 9:50 ` Jernej Škrabec
2018-10-07 9:50 ` Jernej Škrabec
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