On Fri, 2017-03-03 at 19:25 +0100, Lucas Stach wrote:
[...]
> > > +int ipu_pre_get(struct ipu_pre *pre)
> > > +{
> > > + u32 val;
> > > +
> > > + if (pre->in_use)
> > > + return -EBUSY;
> >
> > This could race for in_use ...
>
> All the PRE/PRG configuration functions are thread unsafe, w
Am Montag, den 20.02.2017, 16:20 +0100 schrieb Philipp Zabel:
> On Fri, 2017-02-17 at 19:28 +0100, Lucas Stach wrote:
> > This adds support for the i.MX6 QuadPlus PRE units. Currently only
> > linear prefetch into SRAM is supported, other modes of operation
> > like the tiled-to-linear conversion w
On Fri, 2017-02-17 at 19:28 +0100, Lucas Stach wrote:
> This adds support for the i.MX6 QuadPlus PRE units. Currently only
> linear prefetch into SRAM is supported, other modes of operation
> like the tiled-to-linear conversion will be added later.
>
> Signed-off-by: Lucas Stach
> ---
> drivers/
This adds support for the i.MX6 QuadPlus PRE units. Currently only
linear prefetch into SRAM is supported, other modes of operation
like the tiled-to-linear conversion will be added later.
Signed-off-by: Lucas Stach
---
drivers/gpu/ipu-v3/Makefile | 2 +-
drivers/gpu/ipu-v3/ipu-pre.c | 290 ++
