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-rw-r--r--sdm/libs/core/drm/hw_peripheral_drm.cpp13
-rw-r--r--sdm/libs/hwc2/hwc_display_primary.cpp2
2 files changed, 9 insertions, 6 deletions
diff --git a/sdm/libs/core/drm/hw_peripheral_drm.cpp b/sdm/libs/core/drm/hw_peripheral_drm.cpp
index 61e67c11..a7bb33d6 100644
--- a/sdm/libs/core/drm/hw_peripheral_drm.cpp
+++ b/sdm/libs/core/drm/hw_peripheral_drm.cpp
@@ -165,6 +165,13 @@ void HWPeripheralDRM::SetupConcurrentWriteback(const HWLayersInfo &hw_layer_info
if (enable) {
// Set DRM properties for Concurrent Writeback.
ConfigureConcurrentWriteback(hw_layer_info.stack);
+
+ if (!validate) {
+ // Set GET_RETIRE_FENCE property to get Concurrent Writeback fence.
+ int *fence = &hw_layer_info.stack->output_buffer->release_fence_fd;
+ drm_atomic_intf_->Perform(DRMOps::CONNECTOR_GET_RETIRE_FENCE,
+ cwb_config_.token.conn_id, fence);
+ }
} else {
// Tear down the Concurrent Writeback topology.
drm_atomic_intf_->Perform(DRMOps::CONNECTOR_SET_CRTC, cwb_config_.token.conn_id, 0);
@@ -239,11 +246,7 @@ void HWPeripheralDRM::ConfigureConcurrentWriteback(LayerStack *layer_stack) {
void HWPeripheralDRM::PostCommitConcurrentWriteback(LayerBuffer *output_buffer) {
bool enabled = hw_resource_.has_concurrent_writeback && output_buffer;
- if (enabled) {
- // Get Concurrent Writeback fence
- int *fence = &output_buffer->release_fence_fd;
- drm_atomic_intf_->Perform(DRMOps::CONNECTOR_GET_RETIRE_FENCE, cwb_config_.token.conn_id, fence);
- } else {
+ if (!enabled) {
drm_mgr_intf_->UnregisterDisplay(cwb_config_.token);
cwb_config_.enabled = false;
}
diff --git a/sdm/libs/hwc2/hwc_display_primary.cpp b/sdm/libs/hwc2/hwc_display_primary.cpp
index 1a6944b2..f5970cd8 100644
--- a/sdm/libs/hwc2/hwc_display_primary.cpp
+++ b/sdm/libs/hwc2/hwc_display_primary.cpp
@@ -256,6 +256,7 @@ HWC2::Error HWCDisplayPrimary::Validate(uint32_t *out_num_types, uint32_t *out_n
// here in a subsequent draw round. Readback is not allowed for any secure use case.
readback_configured_ = !layer_stack_.flags.secure_present;
if (readback_configured_) {
+ DisablePartialUpdateOneFrame();
layer_stack_.output_buffer = &output_buffer_;
layer_stack_.flags.post_processed_output = post_processed_output_;
}
@@ -422,7 +423,6 @@ HWC2::Error HWCDisplayPrimary::SetReadbackBuffer(const native_handle_t *buffer,
readback_configured_ = false;
validated_ = false;
- DisablePartialUpdateOneFrame();
return HWC2::Error::None;
}