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| author | Greg Kroah-Hartman <[email protected]> | 2019-01-15 14:20:53 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <[email protected]> | 2019-01-15 14:20:53 +0000 |
| commit | bdfe0df1e97beedc15f68ee6556830548e81f63f (patch) | |
| tree | ed4f0eb7acb8814642eb1fb4da0ac28704dc4fe0 /drivers/gpu/drm/i915/intel_psr.c | |
| parent | driver core: drop use of BUS_ATTR() (diff) | |
| parent | Linux 5.0-rc2 (diff) | |
| download | kernel-bdfe0df1e97beedc15f68ee6556830548e81f63f.tar.gz kernel-bdfe0df1e97beedc15f68ee6556830548e81f63f.zip | |
Merge 5.0-rc2 into driver-core-next
We want the driver core changes in that branch in here to build on top
of.
Signed-off-by: Greg Kroah-Hartman <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_psr.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_psr.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c index 419e56342523..f71970df9936 100644 --- a/drivers/gpu/drm/i915/intel_psr.c +++ b/drivers/gpu/drm/i915/intel_psr.c @@ -274,10 +274,16 @@ void intel_psr_init_dpcd(struct intel_dp *intel_dp) DRM_DEBUG_KMS("eDP panel supports PSR version %x\n", intel_dp->psr_dpcd[0]); + if (drm_dp_has_quirk(&intel_dp->desc, DP_DPCD_QUIRK_NO_PSR)) { + DRM_DEBUG_KMS("PSR support not currently available for this panel\n"); + return; + } + if (!(intel_dp->edp_dpcd[1] & DP_EDP_SET_POWER_CAP)) { DRM_DEBUG_KMS("Panel lacks power state control, PSR cannot be enabled\n"); return; } + dev_priv->psr.sink_support = true; dev_priv->psr.sink_sync_latency = intel_dp_get_sink_sync_latency(intel_dp); |