Allocation of frame buffer at a specific memory range or address

2016-04-16 Thread Rob Clark
On Sat, Apr 16, 2016 at 2:07 AM, Vineet Gupta wrote: > On Friday 15 April 2016 09:18 PM, Alexey Brodkin wrote: > >> And now the question is how to force DRM subsystem or just that driver >> to use whatever predefined (say via device tree) location in memory >> for data buffer allocation. > > It se

Allocation of frame buffer at a specific memory range or address

2016-04-16 Thread Vineet Gupta
On Friday 15 April 2016 09:18 PM, Alexey Brodkin wrote: > And now the question is how to force DRM subsystem or just that driver > to use whatever predefined (say via device tree) location in memory > for data buffer allocation. It seems this is pretty easy to do with DT reserved-memory binding.

Allocation of frame buffer at a specific memory range or address

2016-04-15 Thread Daniel Vetter
On Fri, Apr 15, 2016 at 5:48 PM, Alexey Brodkin wrote: > Hello, > > I'm wondering if there's a way to force kernel to allocate backing > memory for frame buffer in a special location? > > A little bit of background below. > I continue to work on DRM driver for ARC PGU, latest > is v5 and available