lkml.org 
[lkml]   [2011]   [Jul]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRE: [PATCH 6/8] drivers: add Contiguous Memory Allocator
    Hello,

    On Wednesday, July 06, 2011 5:37 PM Russell King - ARM Linux wrote:

    > On Wed, Jul 06, 2011 at 04:56:23PM +0200, Marek Szyprowski wrote:
    > > This will not solve our problems. We need CMA also to create at least one
    > > device private area that for sure will be in low memory (video codec).
    >
    > You make these statements but you don't say why. Can you please
    > explain why the video codec needs low memory - does it have a
    > restricted number of memory address bits which it can manipulate?

    Nope, it only needs to put some type of memory buffers in first bank
    (effectively in 30000000-34ffffff area) and the others in the second bank
    (40000000-57ffffff area). The values are given for Samsung GONI board.

    Best regards
    --
    Marek Szyprowski
    Samsung Poland R&D Center




    \
     
     \ /
      Last update: 2011-07-06 17:49    [W:0.019 / U:1.088 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site