[Intel-gfx] [PATCH] drm/i915: Reset the interrupt mask on disabling interrupts

[Chris Wilson]

Quoting Ville Syrjälä (2020-10-22 18:33:43)
> On Thu, Oct 22, 2020 at 12:42:46PM +0100, Chris Wilson wrote:
> > As we disable the interrupt during suspend, also reset the irq_mask to
> > short-circuit subsystems that later try to turn off their interrupt
> > source.
> > 
> > <4>[  101.816730] i915 0000:00:02.0: drm_WARN_ON(!intel_irqs_enabled(dev_priv))
> > <4>[  101.816853] WARNING: CPU: 3 PID: 4241 at drivers/gpu/drm/i915/i915_irq.c:343 ilk_update_display_irq+0xb3/0x130 [i915]
> > 
> > v2: Reset irq_mask for i8xx_irq_reset as well, and split patch to focus
> > on only i915->irq_mask
> > 
> > Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> > Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

And fingers crossed for fi-ilk-m making a speedy recovery.
-Chris