drm/i915: Clear all residual RPS events on disabling interrupts

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Make sure that the RPS IIR is completely clear on disabling so we should
not get any more interrupts after idling. Since the IIR is shared with
the guc, we have to be careful to only clobber RPS events.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180802100631.31305-3-chris@chris-wilson.co.uk

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Chris Wilson 2018-08-02 11:06:30 +01:00

parent f4de7794de

commit 4668f69544

2 changed files with 9 additions and 5 deletions

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8

drivers/gpu/drm/i915/i915_irq.c

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6

drivers/gpu/drm/i915/i915_reg.h

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