[Intel-gfx] [PATCH 3/3] drm/i915/icl: Disable master intr before reading

[Daniele Ceraolo Spurio]

On 15/10/18 07:14, Mika Kuoppala wrote:
> Disable master interrupt before reading level indications.
> This will close a race where we get a level indication between
> reading and disabling, generating an extra interrupt where we
> could have avoided one.
> 
> Further, as the reading acts also as a post, replace the
> write/post on the irq reset with the helper. On enabling side,
> posting doesn't serve any purpose so it can also be replaced
> with helper.
> 
> Cc: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
> Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio at intel.com>
> Signed-off-by: Mika Kuoppala <mika.kuoppala at linux.intel.com>
> Acked-by: Chris Wilson <chris at chris-wilson.co.uk>
> ---

Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio at intel.com>

Daniele