On 08/09/2014 20:21, Grigori Goronzy wrote :
On 08.09.2014 14:50, Axel Davy wrote:
Hi,
When reading si_dma.c code, it looks like the requested width of the
copy is ignored except for PIPE_BUFFER.
Perhaps that explains the bugs observed ?
It isn't ignored. Partial DMA copies (i.e. operations that do not copy
whole lines) are simply not supported right now, and will fall back to
resource_copy_region. In fact, it's even stricter: the picthes of source
and destination have to match.
Grigori
My point is I don't see a check to verify the width of the copy equals
the width of the buffers,
even if I see the pitch test.
Axel
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