Hi Daniel,
Thanks for the patch.
On Wednesday 10 July 2013 16:48:45 Daniel Vetter wrote:
I've checked both implementations (radeon/nouveau) and they both grab
the page array from ttm simply by dereferencing it and then wrapping
it up with drm_prime_pages_to_sg in the callback and map it with
Op 10-07-13 13:54, Daniel Vetter schreef:
I've checked both implementations (radeon/nouveau) and they both grab
the page array from ttm simply by dereferencing it and then wrapping
it up with drm_prime_pages_to_sg in the callback and map it with
dma_map_sg (in the helper).
Only the grabbing
On Wed, Jul 10, 2013 at 2:03 PM, Maarten Lankhorst
maarten.lankho...@canonical.com wrote:
Op 10-07-13 13:54, Daniel Vetter schreef:
I've checked both implementations (radeon/nouveau) and they both grab
the page array from ttm simply by dereferencing it and then wrapping
it up with
Hi Daniel,
On Wednesday 10 July 2013 13:54:33 Daniel Vetter wrote:
I've checked both implementations (radeon/nouveau) and they both grab
the page array from ttm simply by dereferencing it and then wrapping
it up with drm_prime_pages_to_sg in the callback and map it with
dma_map_sg (in the
On Wed, Jul 10, 2013 at 3:46 PM, Laurent Pinchart
laurent.pinch...@ideasonboard.com wrote:
On Wednesday 10 July 2013 13:54:33 Daniel Vetter wrote:
I've checked both implementations (radeon/nouveau) and they both grab
the page array from ttm simply by dereferencing it and then wrapping
it up
So after a bit of irc chatting with Maarten this seems to be more
involved. The above check is to cache the dma mapping, but the
implementation is bogus in tons of ways:
- If direction changes we don't bother with unmaping and freeing the
mapping, but simply leak it.
- This will break if the
On Wed, Jul 10, 2013 at 5:18 PM, Konrad Rzeszutek Wilk
konrad.w...@oracle.com wrote:
So after a bit of irc chatting with Maarten this seems to be more
involved. The above check is to cache the dma mapping, but the
implementation is bogus in tons of ways:
- If direction changes we don't bother
Op 10-07-13 16:48, Daniel Vetter schreef:
I've checked both implementations (radeon/nouveau) and they both grab
the page array from ttm simply by dereferencing it and then wrapping
it up with drm_prime_pages_to_sg in the callback and map it with
dma_map_sg (in the helper).
Only the grabbing
