wlr-output-management: accept 0 refresh rates

fixes #7879

1 files changed, 6 insertions, 1 deletions

diff --git a/src/protocols/OutputManagement.cpp b/src/protocols/OutputManagement.cpp
index dcc7a62d..3fd0cf6c 100644
--- a/src/protocols/OutputManagement.cpp
+++ b/src/protocols/OutputManagement.cpp
@@ -467,11 +467,16 @@ COutputConfigurationHead::COutputConfigurationHead(SP<CZwlrOutputConfigurationHe
             return;
         }
 
-        if (w <= 0 || h <= 0 || refresh <= 100) {
+        if (w <= 0 || h <= 0 || refresh < 0) {
             resource->error(ZWLR_OUTPUT_CONFIGURATION_HEAD_V1_ERROR_INVALID_CUSTOM_MODE, "Invalid mode");
             return;
         }
 
+        if (refresh == 0) {
+            LOGM(LOG, " | configHead for {}: refreshRate 0, using old refresh rate of {:.2f}Hz", pMonitor->szName, pMonitor->refreshRate);
+            refresh = std::round(pMonitor->refreshRate * 1000.F);
+        }
+
         state.committedProperties |= OUTPUT_HEAD_COMMITTED_CUSTOM_MODE;
         state.customMode = {{w, h}, (uint32_t)refresh};