From mboxrd@z Thu Jan  1 00:00:00 1970
From: denis@eukrea.com (Denis Carikli)
Date: Wed, 23 Oct 2013 16:48:51 +0200
Subject: [Patch v2][ 03/37] drm: Add the lacking DRM_MODE_FLAG_* for
 matching the DISPLAY_FLAGS_*
In-Reply-To: <20131018074631.GO13047@intel.com>
References: <1382022155-21954-1-git-send-email-denis@eukrea.com>
 <1382022155-21954-4-git-send-email-denis@eukrea.com>
 <20131018074631.GO13047@intel.com>
Message-ID: <5267E1D3.5060803@eukrea.com>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

Hi,

On 10/18/2013 09:46 AM, Ville Syrj?l? wrote:
>> +#define DRM_MODE_FLAG_PDATEN			(1<<22)
>> +#define DRM_MODE_FLAG_NDATEN			(1<<23)
>> +#define DRM_MODE_FLAG_PPIXDATEDGE		(1<<24)
>> +#define DRM_MODE_FLAG_NPIXDATEDGE		(1<<25)
>
> Do we really need to make this stuff visible to userspace?
> And there's no documentation to explain any of it.

DRM_MODE_FLAG_PDATEN and DRM_MODE_FLAG_NDATEN were meant to represent 
the data enable polarity.

DRM_MODE_FLAG_PPIXDATEDGE and DRM_MODE_FLAG_NPIXDATEDGE were meant to 
represent the clock polarity.

What would you recommend to represent theses polarities?

Denis.