Multiple parents in device driver model and Common Display Framework (CDF)

2013-02-13 Thread Arnd Bergmann
On Tuesday 12 February 2013, Greg KH wrote: > On Tue, Feb 12, 2013 at 11:20:04PM +0100, Marcus Lorentzon wrote: > > Den 12 feb 2013 23:02 skrev "Greg KH" : > > > > > > On Tue, Feb 12, 2013 at 04:04:53PM +0100, Marcus Lorentzon wrote: > > > > 3) Daniel V hinted that multiple parents (or multiple

Multiple parents in device driver model and Common Display Framework (CDF)

2013-02-12 Thread Marcus Lorentzon
Den 12 feb 2013 23:02 skrev "Greg KH" : > > On Tue, Feb 12, 2013 at 04:04:53PM +0100, Marcus Lorentzon wrote: > > 3) Daniel V hinted that multiple parents (or multiple busses) is > > something that has been discussed as a limitation of device driver > > model before. And that maybe now was the

Multiple parents in device driver model and Common Display Framework (CDF)

2013-02-12 Thread Tomi Valkeinen
On 2013-02-12 19:06, Marcus Lorentzon wrote: > Maybe in most cases, like a modern mobile phone. But for DBI and DSI you > can have many devices or endpoints on the same bus. On DSI you can even DBI supports two devices and DSI supports four, if I recall right. But for DSI you need an external

Multiple parents in device driver model and Common Display Framework (CDF)

2013-02-12 Thread Marcus Lorentzon
On 02/12/2013 04:53 PM, Tomi Valkeinen wrote: > On 2013-02-12 17:04, Marcus Lorentzon wrote: > >> Now we have some different types of panels which are attached on a >> combination of busses: >> >> a) control:DBI, data:DBI >> b) control:I2C/SPI, data:I2C/SPI >> c) control:static setup, data:DPI >>

Multiple parents in device driver model and Common Display Framework (CDF)

2013-02-12 Thread Tomi Valkeinen
Hi Marcus, On 2013-02-12 17:04, Marcus Lorentzon wrote: > Now we have some different types of panels which are attached on a > combination of busses: > > a) control:DBI, data:DBI > b) control:I2C/SPI, data:I2C/SPI > c) control:static setup, data:DPI > d) control:I2C/SPI, data:DPI > e)

Multiple parents in device driver model and Common Display Framework (CDF)

2013-02-12 Thread Marcus Lorentzon
Hi Greg, at FOSDEM we had a session on CDF (Common Display Framework). You can read more details about this in the posts from Laurent Pinchart on dridevel: http://lists.freedesktop.org/archives/dri-devel/2012-November/030888.html

Multiple parents in device driver model and Common Display Framework (CDF)

2013-02-12 Thread Greg KH
On Tue, Feb 12, 2013 at 11:20:04PM +0100, Marcus Lorentzon wrote: > Den 12 feb 2013 23:02 skrev "Greg KH" : > > > > On Tue, Feb 12, 2013 at 04:04:53PM +0100, Marcus Lorentzon wrote: > > > 3) Daniel V hinted that multiple parents (or multiple busses) is > > > something that has been discussed as a

Multiple parents in device driver model and Common Display Framework (CDF)

2013-02-12 Thread Greg KH
On Tue, Feb 12, 2013 at 04:04:53PM +0100, Marcus Lorentzon wrote: > 3) Daniel V hinted that multiple parents (or multiple busses) is > something that has been discussed as a limitation of device driver > model before. And that maybe now was the time to fix that or at > least sort out how to handle

Multiple parents in device driver model and Common Display Framework (CDF)

2013-02-12 Thread Marcus Lorentzon
Hi Greg, at FOSDEM we had a session on CDF (Common Display Framework). You can read more details about this in the posts from Laurent Pinchart on dridevel: http://lists.freedesktop.org/archives/dri-devel/2012-November/030888.html

Re: Multiple parents in device driver model and Common Display Framework (CDF)

2013-02-12 Thread Marcus Lorentzon
On 02/12/2013 04:53 PM, Tomi Valkeinen wrote: On 2013-02-12 17:04, Marcus Lorentzon wrote: Now we have some different types of panels which are attached on a combination of busses: a) control:DBI, data:DBI b) control:I2C/SPI, data:I2C/SPI c) control:static setup, data:DPI d) control:I2C/SPI,

Re: Multiple parents in device driver model and Common Display Framework (CDF)

2013-02-12 Thread Tomi Valkeinen
Hi Marcus, On 2013-02-12 17:04, Marcus Lorentzon wrote: Now we have some different types of panels which are attached on a combination of busses: a) control:DBI, data:DBI b) control:I2C/SPI, data:I2C/SPI c) control:static setup, data:DPI d) control:I2C/SPI, data:DPI e) control:DSI,

Re: Multiple parents in device driver model and Common Display Framework (CDF)

2013-02-12 Thread Greg KH
On Tue, Feb 12, 2013 at 04:04:53PM +0100, Marcus Lorentzon wrote: 3) Daniel V hinted that multiple parents (or multiple busses) is something that has been discussed as a limitation of device driver model before. And that maybe now was the time to fix that or at least sort out how to handle it.

Re: Multiple parents in device driver model and Common Display Framework (CDF)

2013-02-12 Thread Greg KH
On Tue, Feb 12, 2013 at 11:20:04PM +0100, Marcus Lorentzon wrote: Den 12 feb 2013 23:02 skrev Greg KH gre...@linuxfoundation.org: On Tue, Feb 12, 2013 at 04:04:53PM +0100, Marcus Lorentzon wrote: 3) Daniel V hinted that multiple parents (or multiple busses) is something that has been

Re: Multiple parents in device driver model and Common Display Framework (CDF)

2013-02-12 Thread Arnd Bergmann
On Tuesday 12 February 2013, Greg KH wrote: On Tue, Feb 12, 2013 at 11:20:04PM +0100, Marcus Lorentzon wrote: Den 12 feb 2013 23:02 skrev Greg KH gre...@linuxfoundation.org: On Tue, Feb 12, 2013 at 04:04:53PM +0100, Marcus Lorentzon wrote: 3) Daniel V hinted that multiple parents (or