Quoting Tvrtko Ursulin (2018-10-01 09:14:52)
>
> On 28/09/2018 21:11, Chris Wilson wrote:
> > Quoting Tvrtko Ursulin (2018-09-27 12:32:54)
> >>
> >> On 19/09/2018 20:55, Chris Wilson wrote:
> >>> In the next patch, we add another user that wants to check whether
> >>> requests can be merge into a single HW execution, and in the future we
> >>> want to add more conditions under which requests from the same context
> >>> cannot be merge. In preparation, extract out can_merge_rq().
> >>>
> >>> Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> >>> ---
> >>> drivers/gpu/drm/i915/intel_lrc.c | 12 ++++++++++--
> >>> 1 file changed, 10 insertions(+), 2 deletions(-)
> >>>
> >>> diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
> >>> index be7dbdd7fc2c..679ce521be16 100644
> >>> --- a/drivers/gpu/drm/i915/intel_lrc.c
> >>> +++ b/drivers/gpu/drm/i915/intel_lrc.c
> >>> @@ -478,6 +478,15 @@ static bool can_merge_ctx(const struct intel_context *prev,
> >>> return true;
> >>> }
> >>>
> >>> +static bool can_merge_rq(const struct i915_request *prev,
> >>> + const struct i915_request *next)
> >>> +{
> >>> + if (!can_merge_ctx(prev->hw_context, next->hw_context))
> >>> + return false;
> >>> +
> >>> + return true;
> >>
> >> Not just return can_merge_ctx(..) ?
> >
> > Makes you think I have plans to add more tests here... If you look in
> > the archives you can even have a seek peek ;)
>
> I don't see anything in Virtual Engine / Frame Split work, where to look?
Per-context frequency control to allow the rps range to change between
requests.
-Chris
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