linux-kernel - Re: [PATCH v4 0/6] drm/dsi: DSI for devices with different control bus

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <568B54BB.9090209@codeaurora.org>
Date:	Tue, 5 Jan 2016 10:59:31 +0530
From:	Archit Taneja <architt@...eaurora.org>
To:	dri-devel@...ts.freedesktop.org, a.hajda@...sung.com,
	jani.nikula@...ux.intel.com, treding@...dia.com
Cc:	linux-kernel@...r.kernel.org, airlied@...ux.ie, daniel@...ll.ch,
	l.stach@...gutronix.de, robh@...nel.org,
	linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH v4 0/6] drm/dsi: DSI for devices with different control
 bus

Hi Thierry,

Can you pick up these DSI patches, or would it make more sense for
these to go via someone else?

Thanks,
Archit

On 12/10/2015 06:11 PM, Archit Taneja wrote:
> We are currently restricted when it comes to supporting DSI on devices
> that have a non-DSI control bus. For example, DSI encoder chips are
> available in the market that are configured via i2c. Configuring their
> registers via DSI bus is either optional or not available at all.
>
> These devices still need to pass DSI parameters (data lanes, mode flags
> etc) to the DSI host they are connected to. We don't have a way to do
> that at the moment.
>
> After some discussions on the previous RFC[1], we decided to support this
> by providing additional API in drm_mipi_dsi which lets us create new DSI
> devices without the need of them to have a DT node.
>
> [1]: https://lkml.org/lkml/2015/6/30/42
>
> Changes in v4:
> - Added a new patch that fixes build issues when CONFIG_OF is not set.
>
> Changes in v3:
>
> - Incorporated misc comments by Andrzej. Changed from RFC to a PATCH set.
> - Fixed htmldocs warnings.
>
> Archit Taneja (6):
>    drm/dsi: check for CONFIG_OF when defining of_mipi_dsi_device_add
>    drm/dsi: Refactor device creation
>    drm/dsi: Try to match non-DT dsi devices
>    drm/dsi: Check for used channels
>    drm/dsi: Add routine to unregister dsi device
>    drm/dsi: Get DSI host by DT device node
>
>   drivers/gpu/drm/drm_mipi_dsi.c | 144 ++++++++++++++++++++++++++++++++---------
>   include/drm/drm_mipi_dsi.h     |  29 +++++++++
>   2 files changed, 141 insertions(+), 32 deletions(-)
>

-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora 
Forum, hosted by The Linux Foundation
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/