On Fri, 16 Feb 2018, kevin.rogo...@intel.com wrote:
> From: Kevin Rogovin <kevin.rogo...@intel.com>
> This patch attempts to provide text for the kernel documentation on the
> subject of batchbuffer submission. The contents of the patch are essentially:
>  - explain the nature of (PP)GTT and relocation with respect to GPU executing
>    batchbuffers (as narrative) and
>  - add a little more text on the implementation of batchbuffer submission
>    (a little text and also including to i915.rst the already existing text
>    in i915_gem_execbuffer.c).

That part belongs in the actual patch commit message.


> In coming weeks I want to also provide documentation on the rules for handling
> the lists, the breadcumb jazz, locking rules to be followed in i915 and what
> the IRQ's handled by i915 end up triggering with respect to GEM.
> Comments (even flames) are welcome, especially for checking the truth to text
> written. I freely confess that I am using the act of writing the documentation
> to get myself deeply familiar with the way i915 GEM works.
> Any requests to write documentation for how GEM works I will gladly take up
> as well.
> Kevin Rogovin (1):
>   drivers/gpu/drm/i915:Documentation for batchbuffer submission
>  Documentation/gpu/i915.rst                 | 109 
> +++++++++++++++++++++++++++++
>  drivers/gpu/drm/i915/i915_gem_execbuffer.c |  10 +++
>  2 files changed, 119 insertions(+)

Jani Nikula, Intel Open Source Technology Center
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