[PATCH v3 1/6] gpu: host1x: Enable Tegra186 syncpoint protection

Thierry Reding thierry.reding at gmail.com
Thu Oct 19 12:49:51 UTC 2017


On Thu, Sep 28, 2017 at 03:50:39PM +0300, Mikko Perttunen wrote:
> Since Tegra186 the Host1x hardware allows syncpoints to be assigned to
> specific channels, preventing any other channels from incrementing
> them.
> 
> Enable this feature where available and assign syncpoints to channels
> when submitting a job. Syncpoints are currently never unassigned from
> channels since that would require extra work and is unnecessary with
> the current channel allocation model.
> 
> Signed-off-by: Mikko Perttunen <mperttunen at nvidia.com>
> ---
>  drivers/gpu/host1x/dev.h           | 15 +++++++++++++
>  drivers/gpu/host1x/hw/channel_hw.c |  3 +++
>  drivers/gpu/host1x/hw/syncpt_hw.c  | 46 ++++++++++++++++++++++++++++++++++++++
>  drivers/gpu/host1x/syncpt.c        |  8 +++++++
>  4 files changed, 72 insertions(+)

Applied all of these, thanks.

Thierry
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