Re: [PATCH] drm/i915: Don't use WaGsvRC0ResidenncyMethod on chv

Deepak S
2014-08-30T06:24:02Z

On Friday 29 August 2014 04:44 PM, ville.syrjala@linux.intel.com wrote:
> From: Ville Syrjälä <ville.syrjala@linux.intel.com>
>
> WaGsvRC0ResidenncyMethod is for vlv, it doesn't deal with chv
> appropriately (eg. doesn't limit rps values to even numbers).
>
> Fix a typo in the w/a name while at it.
>
> Cc: Deepak S <deepak.s@linux.intel.com>
> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
> ---
> drivers/gpu/drm/i915/i915_irq.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
> index 8a54870..6d5ae82 100644
> --- a/drivers/gpu/drm/i915/i915_irq.c
> +++ b/drivers/gpu/drm/i915/i915_irq.c
> @@ -4692,8 +4692,8 @@ void intel_irq_init(struct drm_device *dev)
> INIT_WORK(&dev_priv->l3_parity.error_work, ivybridge_parity_work);
>
> /* Let's track the enabled rps events */
> - if (IS_VALLEYVIEW(dev))
> - /* WaGsvRC0ResidenncyMethod:VLV */
> + if (IS_VALLEYVIEW(dev) && !IS_CHERRYVIEW(dev))
> + /* WaGsvRC0ResidencyMethod:vlv */
> dev_priv->pm_rps_events = GEN6_PM_RP_UP_EI_EXPIRED;
> else
> dev_priv->pm_rps_events = GEN6_PM_RPS_EVENTS;
>
Reviewed-by: Deepak S <deepak.s@linux.intel.com>

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