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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-01-15 15:37:46 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-01-15 15:37:46 +0100
commitcb7edfd4cd47ed50ea618b660ee283a2d99edff2 (patch)
treefb2749afac5055798dcf8f0dca77c88e749307da /drivers/gpu/drm/i915/intel_psr.c
parent6756f4c375db11af7039985636bddde676615a94 (diff)
parent1c7fc5cbc33980acd13d668f1c8f0313d6ae9fd8 (diff)
Merge 5.0-rc2 into usb-next
We need the USB fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_psr.c')
-rw-r--r--drivers/gpu/drm/i915/intel_psr.c6
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);