diff options
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dp.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index f630c23..fd92a81 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -1850,6 +1850,7 @@ static void intel_edp_psr_do_enable(struct intel_dp *intel_dp) void intel_edp_psr_enable(struct intel_dp *intel_dp) { struct drm_device *dev = intel_dp_to_dev(intel_dp); + struct drm_i915_private *dev_priv = dev->dev_private; if (!HAS_PSR(dev)) { DRM_DEBUG_KMS("PSR not supported on this platform\n"); @@ -1861,6 +1862,11 @@ void intel_edp_psr_enable(struct intel_dp *intel_dp) return; } + if (dev_priv->psr.enabled) { + DRM_DEBUG_KMS("PSR already in use\n"); + return; + } + /* Setup PSR once */ intel_edp_psr_setup(intel_dp); |