From: ville.syrjala@linux.intel.com (Ville Syrjälä)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] drm/bridge: sii902x: Fall back to standard modes
Date: Fri, 2 Mar 2018 10:07:08 +0200 [thread overview]
Message-ID: <20180302080708.GF5453@intel.com> (raw)
In-Reply-To: <CACRpkdbMfzWSH1bAtjhW_ykJGPnycVFtbUp816KShX5wCDu+0Q@mail.gmail.com>
On Thu, Mar 01, 2018 at 11:12:15PM +0100, Linus Walleij wrote:
> On Thu, Mar 1, 2018 at 10:18 PM, Ville Syrj?l?
> <ville.syrjala@linux.intel.com> wrote:
> > On Thu, Mar 01, 2018 at 10:02:55PM +0100, Linus Walleij wrote:
> >> Hm, hard to get review feedback on this one.
> >>
> >> It gives me proper video on an ARM Versatile Express utilizing the
> >> bridge driver with a plugged in DVI-to-VGA dongle with the new
> >> PL111 DRI driver.
> >>
> >> Liviu? Pawel?
> >>
> >> Some ACK is fine to know I am doing the right thing :)
> >
> > Why isn't the probe helper's noedid fallback working?
>
> Where is that in the call chain?
>
> The problem I have is that the bridge is there, it gets properly
> initialized and used as connector and all. The only problem is
> that the DDI I2C portion of it is not working, so no modes are
> really added from the struct drm_connector_helper_funcs
> .get_modes() callback.
The helper is what calls .get_modes(), and it has a noedid
fallback for mode count==0.
--
Ville Syrj?l?
Intel OTC
WARNING: multiple messages have this Message-ID (diff)
From: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
To: Linus Walleij <linus.walleij@linaro.org>
Cc: Pawel Moll <pawel.moll@arm.com>,
Liviu Dudau <Liviu.Dudau@arm.com>,
"open list:DRM PANEL DRIVERS" <dri-devel@lists.freedesktop.org>,
Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
Linux ARM <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH] drm/bridge: sii902x: Fall back to standard modes
Date: Fri, 2 Mar 2018 10:07:08 +0200 [thread overview]
Message-ID: <20180302080708.GF5453@intel.com> (raw)
In-Reply-To: <CACRpkdbMfzWSH1bAtjhW_ykJGPnycVFtbUp816KShX5wCDu+0Q@mail.gmail.com>
On Thu, Mar 01, 2018 at 11:12:15PM +0100, Linus Walleij wrote:
> On Thu, Mar 1, 2018 at 10:18 PM, Ville Syrjälä
> <ville.syrjala@linux.intel.com> wrote:
> > On Thu, Mar 01, 2018 at 10:02:55PM +0100, Linus Walleij wrote:
> >> Hm, hard to get review feedback on this one.
> >>
> >> It gives me proper video on an ARM Versatile Express utilizing the
> >> bridge driver with a plugged in DVI-to-VGA dongle with the new
> >> PL111 DRI driver.
> >>
> >> Liviu? Pawel?
> >>
> >> Some ACK is fine to know I am doing the right thing :)
> >
> > Why isn't the probe helper's noedid fallback working?
>
> Where is that in the call chain?
>
> The problem I have is that the bridge is there, it gets properly
> initialized and used as connector and all. The only problem is
> that the DDI I2C portion of it is not working, so no modes are
> really added from the struct drm_connector_helper_funcs
> .get_modes() callback.
The helper is what calls .get_modes(), and it has a noedid
fallback for mode count==0.
--
Ville Syrjälä
Intel OTC
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next prev parent reply other threads:[~2018-03-02 8:07 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-14 13:00 [PATCH] drm/bridge: sii902x: Fall back to standard modes Linus Walleij
2018-02-14 13:00 ` Linus Walleij
2018-03-01 21:02 ` Linus Walleij
2018-03-01 21:02 ` Linus Walleij
2018-03-01 21:18 ` Ville Syrjälä
2018-03-01 21:18 ` Ville Syrjälä
2018-03-01 22:12 ` Linus Walleij
2018-03-01 22:12 ` Linus Walleij
2018-03-02 8:07 ` Ville Syrjälä [this message]
2018-03-02 8:07 ` Ville Syrjälä
2018-03-02 13:28 ` Linus Walleij
2018-03-02 13:28 ` Linus Walleij
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