[Mesa-dev] [PATCH 0/3] anv/i965: account timestamp correctly on Gen10

[Rafael Antognolli]

This series is

Reviewed-by: Rafael Antognolli <rafael.antognolli at intel.com>

On Mon, Dec 04, 2017 at 04:21:26PM +0000, Lionel Landwerlin wrote:
> Hi all,
> 
> We've had some timestamp related issues on Gen10. Those are mostly
> related to the fact that the frequency of the timestamps is variable
> depending on the part you get. There is no way to tell from the
> PCI-id, you can only get that information by reading a couple of
> registers.
> 
> We introduced a new parameter to query in the kernel to expose that
> information. This seems like it's going to land in 4.16. Here are the
> userspace patches making use of that new param.
> 
> Cheers,
> 
> Lionel Landwerlin (3):
>   drm-uapi: Update drm/i915 headers from drm-next
>   i965: read CS timestamp frequency from the kernel on Gen10+
>   anv: query CS timestamp frequency from the kernel
> 
>  include/drm-uapi/README                  |  8 ++--
>  include/drm-uapi/drm.h                   | 41 +++++++++++++++++++
>  include/drm-uapi/drm_mode.h              | 70 +++++++++++++++++++++++++++++++-
>  include/drm-uapi/i915_drm.h              | 38 +++++++++++++++++
>  src/intel/vulkan/anv_device.c            | 13 ++++++
>  src/mesa/drivers/dri/i965/intel_screen.c | 24 +++++++++++
>  6 files changed, 188 insertions(+), 6 deletions(-)
> 
> --
> 2.15.1