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drm/i915/tgl: disable SAGV temporarily

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SAGV is not currently working for Tiger Lake. We better disable it until
the implementation is stabilized and we can enable it.

HSDES: 1409542895 2208191909

Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190904213419.27547-6-jose.souza@intel.com
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
This commit is contained in:
Lucas De Marchi 2019-09-04 14:34:18 -07:00 committed by José Roberto de Souza
parent 4444df6e20
commit 8ffa4392a3
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/i915/intel_pm.c
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@ -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;
}