# Re: \[PATCH\] fsl-diu-fb: remove the ioctl interface

- From: Anatolij Gustschin \<agust@denx.de\>
- Date: 2011-06-22 20:11:53 
- List: linux-fbdev
- Page: https://ratatoskr.run/linux-fbdev/2011/06/9465069
- Thread: https://ratatoskr.run/linux-fbdev/2011/06/9465032/t.md

```text
On Tue, 21 Jun 2011 23:13:11 +0000
Tabi Timur-B04825 [ref] wrote:

> Anatolij Gustschin wrote:
> > No! We are using ioctl interface of this driver in many video
> > rendering applications on overlay planes on huge number of boards.
> > So, please don't remove it.
> 
> Ok, I had no idea anyone was using it.
> 
> Can you email me details about how you use the ioctl interface?  If I can't 
> remove it, maybe I can clean it up.

Following DIU specific ioctls are used:

MFB_SET_CHROMA_KEY
MFB_SET_PIXFMT
MFB_GET_PIXFMT
MFB_SET_AOID
MFB_GET_AOID
MFB_GET_ALPHA
MFB_SET_ALPHA

Other ioctls can be removed. I'm not sure if someone
uses FBIOGET_GWINFO. If there are no objections from
other people, it can also be dropped.
```