Re: [RFC PATCH] KMS support for i.MX51/53

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Tue, Jun 07, 2011 at 08:59:28PM +0100, Alan Cox wrote:
> > I'm not sure I understand you correctly. I have no address space on the
> > card side since my 'card' just uses main memory. The memory I need must
> > be a physically contiguous portion of sdram. I'm afraid shmem backing
> > memory is not of much use for me.
> 
> I hadn't realised you had that underlying limit. If you are limited to a
> specific chunk of SDRAM and it must be physically linear rather than any
> of memory then indeed it's not.
> 
> I'd been tweaking GEM so you can borrow the abstraction and handles but
> back them with your own allocator but in my case it makes sense because I
> can use either main memory or a chunk of linear preallocated memory
> reserved by the firmware so I wanted the commonality and single set of
> handles for GEM, IOCTL_MODE_CREATE_DUMB etc.

Your patch looks like it would do the trick. I'll see what I can do.

Sascha


-- 
Pengutronix e.K.                           |                             |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |
_______________________________________________
dri-devel mailing list
dri-devel@xxxxxxxxxxxxxxxxxxxxx
http://lists.freedesktop.org/mailman/listinfo/dri-devel


[Index of Archives]     [Linux DRI Users]     [Linux Intel Graphics]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]
  Powered by Linux