linux-kernel - Re: [PATCH] arm64: defconfig: Enable configs for DisplayPort on J721e

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Date:   Tue, 22 Feb 2022 12:40:42 -0800
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Nishanth Menon <nm@...com>
Cc:     Rahul T R <r-ravikumar@...com>, catalin.marinas@....com,
        will@...nel.org, shawnguo@...nel.org, krzk@...nel.org,
        geert+renesas@...der.be, marcel.ziswiler@...adex.com,
        biju.das.jz@...renesas.com, vkoul@...nel.org,
        enric.balletbo@...labora.com, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, tomi.valkeinen@...asonboard.com,
        laurent.pinchart@...asonboard.com
Subject: Re: [PATCH] arm64: defconfig: Enable configs for DisplayPort on J721e

On Tue 22 Feb 11:39 PST 2022, Nishanth Menon wrote:

> On 23:37-20220222, Rahul T R wrote:
> > Enable DRM and PHY configs required for supporting
> > DisplayPort on J721e
> > 
> > Signed-off-by: Rahul T R <r-ravikumar@...com>
> > ---
> >  arch/arm64/configs/defconfig | 5 +++++
> >  1 file changed, 5 insertions(+)
> > 
> > diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
> > index 9f23d7ec1232..b0cb894a392e 100644
> > --- a/arch/arm64/configs/defconfig
> > +++ b/arch/arm64/configs/defconfig
> > @@ -702,6 +702,9 @@ CONFIG_DRM_EXYNOS_DSI=y
> >  CONFIG_DRM_EXYNOS_HDMI=y
> >  CONFIG_DRM_EXYNOS_MIC=y
> >  CONFIG_DRM_ROCKCHIP=m
> > +CONFIG_DRM_TIDSS=m
> > +CONFIG_DRM_DISPLAY_CONNECTOR=m
> > +CONFIG_DRM_CDNS_MHDP8546=m
> 
> Please use savedefconfig to place the changes in the correct location
> 

Just to clarify the request, use "make savedefconfig" to generate a
defconfig, then based on that put _only_ the relevant changes in the
commit.

> Also indicate changes if any in vmlinux in commit message.
> 

Nishanth, what are you asking for here? Just a mentioning if this has
any impact to vmlinux (or is isolated to the modules selected), or are
you asking for anything specific?

Regards,
Bjorn

> A bootlog indicating functionality in diffstat is also additional good
> thing to do.
> 
> >  CONFIG_ROCKCHIP_ANALOGIX_DP=y
> >  CONFIG_ROCKCHIP_CDN_DP=y
> >  CONFIG_ROCKCHIP_DW_HDMI=y
> > @@ -1175,6 +1178,8 @@ CONFIG_PHY_SAMSUNG_UFS=y
> >  CONFIG_PHY_UNIPHIER_USB2=y
> >  CONFIG_PHY_UNIPHIER_USB3=y
> >  CONFIG_PHY_TEGRA_XUSB=y
> > +CONFIG_PHY_J721E_WIZ=m
> > +CONFIG_PHY_CADENCE_TORRENT=m
> >  CONFIG_ARM_SMMU_V3_PMU=m
> >  CONFIG_FSL_IMX8_DDR_PMU=m
> >  CONFIG_QCOM_L2_PMU=y
> > -- 
> > 2.17.1
> > 
> 
> -- 
> Regards,
> Nishanth Menon
> Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3  1A34 DDB5 849D 1736 249D