Do not make it an error to call intel_edp_drrs_enable while drrs has
already been enabled, instead exit silently in this case.
This is a preparation patch for ensuring that DRRS is enabled on fastsets.
Note that the removed WARN_ON could also be triggered from userspace
through the i915_drrs_ctl debugfs entry which was added by
commit 35954e88bc50 ("drm/i915: Runtime disable for eDP DRRS")
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
---
drivers/gpu/drm/i915/intel_dp.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 5b601b754707..62fd11540942 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -6432,8 +6432,8 @@ void intel_edp_drrs_enable(struct intel_dp *intel_dp,
}
mutex_lock(&dev_priv->drrs.mutex);
- if (WARN_ON(dev_priv->drrs.dp)) {
- DRM_ERROR("DRRS already enabled\n");
+ if (dev_priv->drrs.dp) {
+ DRM_DEBUG_KMS("DRRS already enabled\n");
goto unlock;
}
--
2.20.1
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