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Commit a080bd99 authored by Chris Wilson's avatar Chris Wilson
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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: default avatarFrancisco Jerez <currojerez@riseup.net>
Suggested-by: default avatarFrancisco Jerez <currojerez@riseup.net>
Fixes: 35cc7f32 ("drm/i915/gt: Use non-forcewake writes for RPS")
Signed-off-by: default avatarChris 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: default avatarMika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: default avatarAndi Shyti <andi.shyti@intel.com>
Reviewed-by: default avatarFrancisco 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
parent 46495adc
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