From: Boris Brezillon <boris.brezillon@free-electrons.com>
To: Philipp Zabel <p.zabel@pengutronix.de>
Cc: Steffen Trumtrar <s.trumtrar@pengutronix.de>,
kernel@pengutronix.de, dri-devel@lists.freedesktop.org,
Anthony Harivel <anthony.harivel@emtrion.de>
Subject: Re: [PATCH 1/3] drm/panel: Add display_timing support
Date: Thu, 26 Feb 2015 14:51:13 +0100 [thread overview]
Message-ID: <20150226145113.56e633a3@bbrezillon> (raw)
In-Reply-To: <1424700272.3623.7.camel@pengutronix.de>
Hi Philipp,
On Mon, 23 Feb 2015 15:04:32 +0100
Philipp Zabel <p.zabel@pengutronix.de> wrote:
> Hi Thierry,
>
> do you have any further thoughts on this?
>
> Am Dienstag, den 03.02.2015, 14:30 +0100 schrieb Thierry Reding:
> > On Thu, Dec 11, 2014 at 06:32:44PM +0100, Philipp Zabel wrote:
> > > Many panel data sheets additionally to typical values list allowed ranges for
> > > timings such as hsync/vsync lengths, porches, and the pixel clock rate. These
> > > can be stored in a struct display_timing, to be used by an encoder mode_fixup
> > > callback to clamp user provided timing values or to validate workarounds for
> > > clock source limitations.
> > >
> > > This patch adds a new drm_panel_funcs callback that returns the panels'
> > > available display_timing entries.
Anthony recently noticed that the edt_etm0700g0dh6 panel he's
connecting on his sama5 board defines typical timings that are not
supported by Atmel's display controller.
This patch could help us deal with such cases.
Could you keep me (and Anthony) in Cc of your future versions ?
Thanks,
Boris
--
Boris Brezillon, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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next prev parent reply other threads:[~2015-02-26 13:51 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-11 17:32 [PATCH 1/3] drm/panel: Add display_timing support Philipp Zabel
2014-12-11 17:32 ` [PATCH 2/3] drm/panel: Add display_timing support to simple panel driver Philipp Zabel
2014-12-11 17:32 ` [PATCH 3/3] drm/panel: Add display_timing entry for the HannStar HSD070PWW1 panel Philipp Zabel
2015-02-03 13:30 ` [PATCH 1/3] drm/panel: Add display_timing support Thierry Reding
2015-02-03 16:56 ` Philipp Zabel
2015-02-23 14:04 ` Philipp Zabel
2015-02-26 13:51 ` Boris Brezillon [this message]
2015-02-26 18:33 ` Philipp Zabel
2015-03-03 11:49 ` Philipp Zabel
2015-03-24 11:34 ` Thierry Reding
2015-03-24 11:52 ` Philipp Zabel
2015-03-24 12:40 ` Thierry Reding
2015-03-24 16:36 ` Philipp Zabel
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