From: "Dixit, Ashutosh" <ashutosh.dixit@intel.com>
To: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>,
Lionel G Landwerlin <lionel.g.landwerlin@intel.com>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [Intel-gfx] [PATCH 1/3] drm/i915/perf: rework aging tail workaround
Date: Sun, 22 Mar 2020 12:47:14 -0700 [thread overview]
Message-ID: <8736a0dvel.wl-ashutosh.dixit@intel.com> (raw)
In-Reply-To: <877dzddmmc.wl-ashutosh.dixit@intel.com>
On Sat, 21 Mar 2020 21:44:43 -0700, Dixit, Ashutosh wrote:
>
> Actually a couple of further improvements to the loop above are
> possible. First there is no reason to start at previous_tail, we can just
> start at the aligned hw_tail itself.
Unless we deliberately want to wait and delay declaring the data as valid,
i.e. we are really not sure what is happening and it seems "safer" to wait
for an extra report.
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next prev parent reply other threads:[~2020-03-22 19:47 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-19 22:52 [Intel-gfx] [PATCH 0/3] drm/i915/perf: add OA interrupt support Umesh Nerlige Ramappa
2020-03-19 22:52 ` [Intel-gfx] [PATCH 1/3] drm/i915/perf: rework aging tail workaround Umesh Nerlige Ramappa
2020-03-21 23:26 ` Dixit, Ashutosh
2020-03-22 4:44 ` Dixit, Ashutosh
2020-03-22 19:47 ` Dixit, Ashutosh [this message]
2020-03-24 3:17 ` Umesh Nerlige Ramappa
2020-03-24 3:15 ` Umesh Nerlige Ramappa
2020-03-19 22:52 ` [Intel-gfx] [PATCH 2/3] drm/i915/perf: move pollin setup to non hw specific code Umesh Nerlige Ramappa
2020-03-19 22:52 ` [Intel-gfx] [PATCH 3/3] drm/i915/perf: add new open param to configure polling of OA buffer Umesh Nerlige Ramappa
2020-03-21 7:16 ` Dixit, Ashutosh
2020-03-19 23:40 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for drm/i915/perf: add OA interrupt support (rev7) Patchwork
2020-03-19 23:43 ` [Intel-gfx] ✗ Fi.CI.SPARSE: " Patchwork
2020-03-20 0:04 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
-- strict thread matches above, loose matches on Subject: below --
2020-03-24 18:54 [Intel-gfx] [PATCH 0/3] drm/i915/perf: add OA interrupt support Umesh Nerlige Ramappa
2020-03-24 18:54 ` [Intel-gfx] [PATCH 1/3] drm/i915/perf: rework aging tail workaround Umesh Nerlige Ramappa
2020-03-24 21:25 ` Dixit, Ashutosh
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