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From: Tomi Valkeinen <tomi.valkeinen@ti.com>
To: Rob Clark <rob.clark@linaro.org>
Cc: dri-devel@lists.freedesktop.org, linux-omap@vger.kernel.org,
	patches@linaro.org, Greg KH <greg@kroah.com>,
	Andy Gross <andy.gross@ti.com>,
	cmahapatra@ti.com, s-guiriec@ti.com, archit@ti.com,
	Rob Clark <rob@ti.com>
Subject: Re: [PATCH] staging: drm/omap: add rotation properties
Date: Fri, 29 Jun 2012 13:46:03 +0300	[thread overview]
Message-ID: <1340966763.2767.8.camel@deskari> (raw)
In-Reply-To: <1340805986-10670-1-git-send-email-rob.clark@linaro.org>

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On Wed, 2012-06-27 at 09:06 -0500, Rob Clark wrote:
> From: Rob Clark <rob@ti.com>
> 
> Use tiled buffers for rotated/reflected scanout, with CRTC and plane
> properties as the interface for userspace to configure rotation.
> 
> Signed-off-by: Rob Clark <rob@ti.com>

> +/* this should probably be in drm-core to standardize amongst drivers */
> +#define DRM_ROTATE_0	0
> +#define DRM_ROTATE_90	1
> +#define DRM_ROTATE_180	2
> +#define DRM_ROTATE_270	3
> +#define DRM_REFLECT_X	4
> +#define DRM_REFLECT_Y	5

Are both reflect X and Y needed? You can get all the possible
orientations with just one of the reflects.

And I think the word "mirror" represents nicely what the reflect does,
i.e. if you look at the mirror, the image you see is flipped
horizontally.

 Tomi


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  parent reply	other threads:[~2012-06-29 10:46 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-06-27 14:06 [PATCH] staging: drm/omap: add rotation properties Rob Clark
2012-06-27 14:09 ` Rob Clark
2012-06-27 19:40 ` Greg KH
2012-06-27 20:02   ` Rob Clark
2012-06-29 10:46 ` Tomi Valkeinen [this message]
2012-06-29 12:17   ` Rob Clark
2012-07-02 14:01     ` Ville Syrjälä

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