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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2020-03-22 17:32:24 +0100 |
|---|---|---|
| committer | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2020-03-26 18:21:30 +0100 |
| commit | 98479ada421a8fd2123b98efd398a6f1379307ab (patch) | |
| tree | 8576e35ac498e7b53cca2d24001abb6108e8dde3 /Documentation/ia64 | |
| parent | drm/i915/gt: Cancel a hung context if already closed (diff) | |
| download | linux-98479ada421a8fd2123b98efd398a6f1379307ab.tar.xz linux-98479ada421a8fd2123b98efd398a6f1379307ab.zip | |
drm/i915/gt: Treat idling as a RPS downclock event
If we park/unpark faster than we can respond to RPS events, we never
will process a downclock event after expiring a waitboost, and thus we
will forever restart the GPU at max clocks even if the workload switches
and doesn't justify full power.
Closes: https://gitlab.freedesktop.org/drm/intel/issues/1500
Fixes: 3e7abf814193 ("drm/i915: Extract GT render power state management")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Andi Shyti <andi.shyti@intel.com>
Cc: Lyude Paul <lyude@redhat.com>
Reviewed-by: Andi Shyti <andi.shyti@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200322163225.28791-1-chris@chris-wilson.co.uk
Cc: <stable@vger.kernel.org> # v5.5+
(cherry picked from commit 21abf0bf168dffff1192e0f072af1dc74ae1ff0e)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'Documentation/ia64')
0 files changed, 0 insertions, 0 deletions