From: José Roberto de Souza <jose.souza@xxxxxxxxx> According to BSpc if link standby is set on TGL+, PSR will not be enabled. Vendors should not use panels that requires link standby and even if they do, panel should assert a PSR error that will cause PSR to be disabled. BSpec: 50434 Signed-off-by: José Roberto de Souza <jose.souza@xxxxxxxxx> Signed-off-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx> Reviewed-by: Anshuman Gupta <anshuman.gupta@xxxxxxxxx> --- drivers/gpu/drm/i915/display/intel_psr.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index 4e6b3ae8a872..2429328f963e 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -1243,8 +1243,8 @@ void intel_psr_init(struct drm_i915_private *dev_priv) if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) /* HSW and BDW require workarounds that we don't implement. */ dev_priv->psr.link_standby = false; - else - /* For new platforms let's respect VBT back again */ + else if (INTEL_GEN(dev_priv) < 12) + /* For new platforms up to TGL let's respect VBT back again */ dev_priv->psr.link_standby = dev_priv->vbt.psr.full_link; INIT_WORK(&dev_priv->psr.work, intel_psr_work); -- 2.23.0 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
