From 8ffa4392a32e27b3945b8c0585550d3dd831c68b Mon Sep 17 00:00:00 2001 From: Lucas De Marchi Date: Wed, 4 Sep 2019 14:34:18 -0700 Subject: [PATCH] drm/i915/tgl: disable SAGV temporarily MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 Reviewed-by: José Roberto de Souza Link: https://patchwork.freedesktop.org/patch/msgid/20190904213419.27547-6-jose.souza@intel.com Signed-off-by: José Roberto de Souza --- 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; }