From: Neal Frager <nealf@xilinx.com>
To: Luca Ceresoli <luca@lucaceresoli.net>,
Neal Frager <neal.frager@amd.com>,
"buildroot@buildroot.org" <buildroot@buildroot.org>
Cc: "giulio.benetti@benettiengineering.com"
<giulio.benetti@benettiengineering.com>,
"michal.simek@amd.com" <michal.simek@amd.com>,
"wesley@sonifex.co.uk" <wesley@sonifex.co.uk>
Subject: Re: [Buildroot] [PATCH v1 1/1] configs/zynqmp_kria_xxx_defconfig: uboot dp pll patch
Date: Thu, 9 Jun 2022 10:20:55 +0000 [thread overview]
Message-ID: <SJ0PR02MB7758323D519C1EAAC34AAFEAD7A79@SJ0PR02MB7758.namprd02.prod.outlook.com> (raw)
In-Reply-To: <16f0674d-b933-730c-7600-45453d1d21f7@lucaceresoli.net>
Hi,
> This patch fixes the DP audio and video PLL configurations for the zynqmp-sm-k26-revA som.
> It needs to be applied for both the kv260 and kr260 starter kits.
>
> The Linux DP driver expects the DP to be using the following PLL config:
> - DP video PLL should use the VPLL (0x0)
> - DP audio PLL should use the RPLL (0x3)
> - DP system time clock PLL should use RPLL (0x3)
>
> Register 0xFD1A0070 configures the DP video PLL.
> Register 0xFD1A0074 configures the DP audio PLL.
> Register 0xFD1A007C configures the DP system time clock PLL.
>
> This patch was build and run tested on a zynqmp-kria-kv260 target board.
>
> Upstream-Status: submitted (https://lore.kernel.org/all/fa7e9abc419c9d7648405d1c62367dbe701d09b8.1652709736.git.michal.simek@amd.com/)
> This patch will be removed from buildroot in a future release when no longer necessary.
>
> Signed-off-by: Neal Frager <neal.frager@amd.com>
> Reviewed-by: Luca Ceresoli <luca@lucaceresoli.net>
Just a friendly reminder regarding this patch. Any additional changes needed before committing?
Best regards,
Neal Frager
AMD
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next prev parent reply other threads:[~2022-06-09 10:21 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-23 5:39 [Buildroot] [PATCH v1 1/1] configs/zynqmp_kria_xxx_defconfig: uboot dp pll patch Neal Frager via buildroot
2022-05-25 14:25 ` Luca Ceresoli
2022-06-09 10:20 ` Neal Frager [this message]
2022-06-23 5:54 ` Frager, Neal via buildroot
2022-07-01 15:03 ` Peter Korsgaard
2022-07-22 7:38 ` Peter Korsgaard
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