diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2020-04-15 18:03:18 +0100 |
|---|---|---|
| committer | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2020-04-20 10:12:36 -0700 |
| commit | e1eb075c5051987fbbadbc0fb8211679df657721 (patch) | |
| tree | aa0a7de1d9d8245aa0e14cdde7c40e6f02a715ae /drivers/gpu/drm/i915/intel_pm.c | |
| parent | 81fdd7bfeb8e8f76bcdfef9174ec580707c37d38 (diff) | |
drm/i915/gt: Update PMINTRMSK holding fw
If we use a non-forcewaked write to PMINTRMSK, it does not take effect
until much later, if at all, causing a loss of RPS interrupts and no GPU
reclocking, leaving the GPU running at the wrong frequency for long
periods of time.
Reported-by: Francisco Jerez <currojerez@riseup.net>
Suggested-by: Francisco Jerez <currojerez@riseup.net>
Fixes: 35cc7f32c298 ("drm/i915/gt: Use non-forcewake writes for RPS")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Francisco Jerez <currojerez@riseup.net>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Andi Shyti <andi.shyti@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Andi Shyti <andi.shyti@intel.com>
Reviewed-by: Francisco Jerez <currojerez@riseup.net>
Cc: <stable@vger.kernel.org> # v5.6+
Link: https://patchwork.freedesktop.org/patch/msgid/20200415170318.16771-2-chris@chris-wilson.co.uk
(cherry picked from commit a080bd994c4023042a2b605c65fa10a25933f636)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_pm.c')
0 files changed, 0 insertions, 0 deletions