From: Philipp Zabel <p.zabel@pengutronix.de>
To: Stefan Agner <stefan@agner.ch>
Cc: dri-devel@lists.freedesktop.org, thierry.reding@gmail.com,
airlied@linux.ie, daniel.vetter@ffwll.ch,
jianwei.wang.chn@gmail.com, alison.wang@freescale.com,
meng.yi@nxp.com, linux@arm.linux.org.uk, denis@eukrea.com,
eric@eukrea.com, ville.syrjala@linux.intel.com,
linux-kernel@vger.kernel.org, manfred.schlaegl@gmx.at,
tomi.valkeinen@ti.com, boris.brezillon@free-electrons.com
Subject: Re: [PATCH v2 0/3] drm: introduce bus_flags for pixel clock polarity
Date: Wed, 24 Feb 2016 11:28:46 +0100 [thread overview]
Message-ID: <1456309726.3396.31.camel@pengutronix.de> (raw)
In-Reply-To: <653e3f9d2d561a166a1768add0c59422@agner.ch>
Am Dienstag, den 23.02.2016, 15:30 -0800 schrieb Stefan Agner:
> Any comments on this?
None other that I'm all in favor. consider patch 2
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
> Also added Manfred, Tomi and Boris to CC which previously attended in
> similar discussions.
>
> Previous discussions:
> http://thread.gmane.org/gmane.linux.kernel.api/12830
> http://thread.gmane.org/gmane.comp.video.dri.devel/96240/
>
> I think one of the main observation so far was that the pixel clock
> polarity is not a property of the mode, and therefor does not fit into
> the DRM_MODE_FLAG. This has been pointed out nicely by Russel:
> http://thread.gmane.org/gmane.comp.video.dri.devel/96240/focus=96260
>
> Embedded displays connected through parallel bus make use of the
> bus_formats field in drm_display_mode. This field defines what kind of
> bus format the display requires. This patch follows that idea and adds
> bus_flags. bus_flags can be used to define specific bus properties
> required by the display, such as pixel clock or data enable polarity...
regards
Philipp
next prev parent reply other threads:[~2016-02-24 10:30 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-08 21:57 Stefan Agner
2016-02-08 21:57 ` [PATCH v2 1/3] drm/fsl-dcu: use mode flags for hsync/vsync polarity Stefan Agner
2016-02-25 16:48 ` Thierry Reding
2016-02-25 23:55 ` Stefan Agner
2016-02-08 21:57 ` [PATCH v2 2/3] drm: introduce bus_flags in drm_display_info Stefan Agner
2016-02-08 21:57 ` [PATCH v2 3/3] drm/fsl-dcu: use bus_flags for pixel clock polarity Stefan Agner
2016-02-23 23:30 ` [PATCH v2 0/3] drm: introduce " Stefan Agner
2016-02-24 10:28 ` Philipp Zabel [this message]
2016-02-25 7:59 ` Manfred Schlaegl
2016-02-24 11:06 ` Tomi Valkeinen
2016-02-24 19:02 ` Stefan Agner
2016-02-24 20:17 ` Ville Syrjälä
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