[PATCH 0/3] gpu: host1x: Add syncpoint base support

[Thierry Reding]

On Wed, Oct 09, 2013 at 02:54:07PM +0300, Arto Merilainen wrote:
> The host1x driver uses currently syncpoints statically from host1x point of
> view. If we do a wait inside a job, it always has a constant value to wait.
> host1x supports also doing relative syncpoint waits with respect to syncpoint
> bases. This allows doing multiple operations inside a single submit and
> waiting an operation to complete before moving to next one.
> 
> This set of patches adds support for syncpoint bases to host1x driver and
> enables the support for gr2d client. The series is based on 3.12-rc4.
> 
> I have tested the series using the host1x test application (available at [0],
> function test_wait_base() in tests/tegra/host1x/tegra_host1x_test.c) on cardhu.
> I would appreciate help in reviewing the series and testing the patches
> on other boards.
> 
> [0] https://gitorious.org/linux-host1x/libdrm-host1x
> 
> Arto Merilainen (3):
>   gpu: host1x: Add syncpoint base support
>   drm/tegra: Deliver syncpoint base to user space
>   drm/tegra: Reserve base for gr2d
> 
>  drivers/gpu/host1x/dev.h                   |  2 ++
>  drivers/gpu/host1x/drm/drm.c               |  2 ++
>  drivers/gpu/host1x/drm/gr2d.c              |  2 +-
>  drivers/gpu/host1x/hw/channel_hw.c         | 19 +++++++++++
>  drivers/gpu/host1x/hw/hw_host1x01_uclass.h |  6 ++++
>  drivers/gpu/host1x/syncpt.c                | 55 +++++++++++++++++++++++++++---
>  drivers/gpu/host1x/syncpt.h                | 10 ++++++
>  include/uapi/drm/tegra_drm.h               |  4 ++-
>  8 files changed, 93 insertions(+), 7 deletions(-)

Generally this looks pretty good. It does conflict with some of the
changes in my tree, but I think I can fix that up when applying.

Thanks,
Thierry
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