From: Guenter Roeck <groeck@google.com>
To: Rob Clark <robdclark@gmail.com>
Cc: Randy Dunlap <rdunlap@infradead.org>,
Tanmay Shah <tanmay@codeaurora.org>,
Stephen Boyd <swboyd@chromium.org>,
linux-arm-msm <linux-arm-msm@vger.kernel.org>,
dri-devel <dri-devel@lists.freedesktop.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
freedreno <freedreno@lists.freedesktop.org>,
Sean Paul <seanpaul@chromium.org>,
Daniel Vetter <daniel@ffwll.ch>, David Airlie <airlied@linux.ie>,
aravindh@codeaurora.org, Abhinav Kumar <abhinavk@codeaurora.org>,
khsieh@codeaurora.org, Chandan Uddaraju <chandanu@codeaurora.org>,
Vara Reddy <varar@codeaurora.org>,
Guenter Roeck <groeck@chromium.org>
Subject: Re: [PATCH v9 2/5] drm/msm/dp: add displayPort driver support
Date: Fri, 7 Aug 2020 09:11:32 -0700 [thread overview]
Message-ID: <CABXOdTeYOVWKNWfJxxVDC6Mdu1aisCs6yDCAdxRQGuUp8r2EQA@mail.gmail.com> (raw)
In-Reply-To: <CAF6AEGvLrR2LPTF2DDEcxRwQY+pEEcooZh=NBSr5WOs+TUk0Dw@mail.gmail.com>
On Fri, Aug 7, 2020 at 8:48 AM Rob Clark <robdclark@gmail.com> wrote:
>
> On Fri, Aug 7, 2020 at 8:37 AM Randy Dunlap <rdunlap@infradead.org> wrote:
> >
> > On 8/7/20 12:17 AM, Tanmay Shah wrote:
> > > diff --git a/drivers/gpu/drm/msm/Kconfig b/drivers/gpu/drm/msm/Kconfig
> > > index 6deaa7d01654..ea3c4d094d09 100644
> > > --- a/drivers/gpu/drm/msm/Kconfig
> > > +++ b/drivers/gpu/drm/msm/Kconfig
> > > @@ -57,6 +57,14 @@ config DRM_MSM_HDMI_HDCP
> > > help
> > > Choose this option to enable HDCP state machine
> > >
> > > +config DRM_MSM_DP
> > > + bool "Enable DP support in MSM DRM driver"
> >
> > bool "Enabled DisplayPort support in MSM DRM driver"
> >
> > > + depends on DRM_MSM
> > > + help
> > > + Compile in support for DP driver in msm drm driver. DP external
> >
> > MSM DRM
> >
> > Also:
> > I can't find anywhere in drivers/gpu/drm/msm/ that explains what MSM means.
> > What does it mean?
>
> I believe it stands for "Mobile Station Modem".. in the pre-devicetree
> days it was the name of the qcom platform. Things later shifted to
> "qcom" instead, but that was after this driver was merged. At this
> point it is just three letters ;-)
>
FWIW: https://en.wikichip.org/wiki/qualcomm/msm
Guenter
> BR,
> -R
>
> > > + display support is enabled through this config option. It can
> > > + be primary or secondary display on device.
> > > +
> > > config DRM_MSM_DSI
> > > bool "Enable DSI support in MSM DRM driver"
> > > depends on DRM_MSM
> >
> > thanks.
> > --
> > ~Randy
> >
next prev parent reply other threads:[~2020-08-07 16:11 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-07 7:17 [PATCH v9 0/5] Add support for DisplayPort driver on SnapDragon Tanmay Shah
2020-08-07 7:17 ` [PATCH v9 1/5] drm: add constant N value in helper file Tanmay Shah
2020-08-07 7:17 ` [PATCH v9 2/5] drm/msm/dp: add displayPort driver support Tanmay Shah
2020-08-07 15:37 ` Randy Dunlap
2020-08-07 15:49 ` Rob Clark
2020-08-07 16:11 ` Guenter Roeck [this message]
2020-08-07 16:09 ` Guenter Roeck
2020-08-07 16:21 ` Randy Dunlap
2020-08-07 7:17 ` [PATCH v9 3/5] drm/msm/dp: add support for DP PLL driver Tanmay Shah
2020-08-07 15:27 ` Randy Dunlap
2020-08-07 15:51 ` Rob Clark
2020-08-07 20:24 ` Stephen Boyd
2020-08-07 20:28 ` Randy Dunlap
2020-08-11 19:49 ` tanmay
2020-08-11 20:21 ` Randy Dunlap
2020-08-11 22:09 ` [Freedreno] " Tanmay Shah
2020-08-07 15:54 ` tanmay
2020-08-07 7:17 ` [PATCH v9 4/5] drm/msm/dpu: add display port support in DPU Tanmay Shah
2020-08-07 7:17 ` [PATCH v9 5/5] drm/msm/dp: Add Display Port HPD feature Tanmay Shah
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