diff options
| author | José Roberto de Souza <jose.souza@intel.com> | 2019-08-23 01:20:39 -0700 |
|---|---|---|
| committer | Lucas De Marchi <lucas.demarchi@intel.com> | 2019-08-28 18:04:26 -0700 |
| commit | 99d7a74110ef4c97f921b90fa8d897c6d71610a9 (patch) | |
| tree | 72589fe12fc2e4110e3ec86cc5b58f467269b0f2 /drivers/gpu/drm/i915/display/intel_psr.c | |
| parent | 074c77e3ec636fa5e2664e3c79aba397ec569761 (diff) | |
| download | linux-99d7a74110ef4c97f921b90fa8d897c6d71610a9.tar.bz2 | |
drm/i915/tgl: PSR link standby is not supported anymore
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@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Anshuman Gupta <anshuman.gupta@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190823082055.5992-8-lucas.demarchi@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_psr.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_psr.c | 4 |
1 files 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 2af3826121fa..629b8b98a97f 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -1283,8 +1283,8 @@ 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); |