Wait for idle, and iterate over connectors instead of encoders.
With this information we know crtc->state is the actual state,
and we can enable/disable drrs safely.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_debugfs.c | 54 ++++++++++++++++++++++-------
1 file changed, 42 insertions(+), 12 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index f42e93b71e67..b04d5ade5a15 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -4661,20 +4661,45 @@ static int i915_drrs_ctl_set(void *data, u64 val)
{
struct drm_i915_private *dev_priv = data;
struct drm_device *dev = &dev_priv->drm;
- struct intel_crtc *intel_crtc;
- struct intel_encoder *encoder;
- struct intel_dp *intel_dp;
+ struct intel_crtc *crtc;
if (INTEL_GEN(dev_priv) < 7)
return -ENODEV;
- drm_modeset_lock_all(dev);
- for_each_intel_crtc(dev, intel_crtc) {
- if (!intel_crtc->base.state->active ||
- !intel_crtc->config->has_drrs)
- continue;
+ for_each_intel_crtc(dev, crtc) {
+ struct drm_connector_list_iter conn_iter;
+ struct intel_crtc_state *crtc_state;
+ struct drm_connector *connector;
+ struct drm_crtc_commit *commit;
+ int ret;
+
+ ret = drm_modeset_lock_single_interruptible(&crtc->base.mutex);
+ if (ret)
+ return ret;
+
+ crtc_state = to_intel_crtc_state(crtc->base.state);
+
+ if (!crtc_state->base.active ||
+ !crtc_state->has_drrs)
+ goto out;
- for_each_encoder_on_crtc(dev, &intel_crtc->base, encoder) {
+ commit = crtc_state->base.commit;
+ if (commit) {
+ ret = wait_for_completion_interruptible(&commit->hw_done);
+ if (ret)
+ goto out;
+ }
+
+ drm_connector_list_iter_begin(dev, &conn_iter);
+ drm_for_each_connector_iter(connector, &conn_iter) {
+ struct intel_encoder *encoder;
+ struct intel_dp *intel_dp;
+
+ if (!(crtc_state->base.connector_mask &
+ drm_connector_mask(connector)))
+ continue;
+
+ encoder = intel_attached_encoder(connector);
if (encoder->type != INTEL_OUTPUT_EDP)
continue;
@@ -4684,13 +4709,18 @@ static int i915_drrs_ctl_set(void *data, u64 val)
intel_dp = enc_to_intel_dp(&encoder->base);
if (val)
intel_edp_drrs_enable(intel_dp,
- intel_crtc->config);
+ crtc_state);
else
intel_edp_drrs_disable(intel_dp,
- intel_crtc->config);
+ crtc_state);
}
+ drm_connector_list_iter_end(&conn_iter);
+
+out:
+ drm_modeset_unlock(&crtc->base.mutex);
+ if (ret)
+ return ret;
}
- drm_modeset_unlock_all(dev);
return 0;
}
--
2.19.0
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