On Thu, 2019-08-29 at 02:25 -0700, Lucas De Marchi wrote:
> SAGV is not currently working for Tiger Lake. We better disable it
> until
> the implementation is stabilized and we can enable it.
>
Reviewed-by: José Roberto de Souza <jose.souza@xxxxxxxxx>
> Signed-off-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/intel_pm.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/intel_pm.c
> b/drivers/gpu/drm/i915/intel_pm.c
> index 4fa9bc83c8b4..7294fcf05323 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -3654,6 +3654,10 @@ static bool skl_needs_memory_bw_wa(struct
> drm_i915_private *dev_priv)
> static bool
> intel_has_sagv(struct drm_i915_private *dev_priv)
> {
> + /* HACK! */
> + if (IS_GEN(dev_priv, 12))
> + return false;
> +
> return (IS_GEN9_BC(dev_priv) || INTEL_GEN(dev_priv) >= 10) &&
> dev_priv->sagv_status != I915_SAGV_NOT_CONTROLLED;
> }
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