From 589346162f82f3e6ffa8adff4cdef8a496e59811 Mon Sep 17 00:00:00 2001
From: Vaxry <43317083+vaxerski@users.noreply.github.com>
Date: Thu, 15 Aug 2024 16:54:05 +0100
Subject: [PATCH] DRM: Allow checking no-crtc connectors (#49)

---
 include/aquamarine/backend/DRM.hpp |  2 +-
 src/backend/drm/DRM.cpp            | 16 ++++++----------
 2 files changed, 7 insertions(+), 11 deletions(-)

diff --git a/include/aquamarine/backend/DRM.hpp b/include/aquamarine/backend/DRM.hpp
index 7bb441d..8e8c677 100644
--- a/include/aquamarine/backend/DRM.hpp
+++ b/include/aquamarine/backend/DRM.hpp
@@ -152,7 +152,7 @@ namespace Aquamarine {
     struct SDRMCRTC {
         uint32_t               id = 0;
         std::vector<SDRMLayer> layers;
-        int32_t                refresh = 0;
+        int32_t                refresh = 0; // unused
 
         struct {
             int gammaSize = 0;
diff --git a/src/backend/drm/DRM.cpp b/src/backend/drm/DRM.cpp
index 67827c9..8ec9c30 100644
--- a/src/backend/drm/DRM.cpp
+++ b/src/backend/drm/DRM.cpp
@@ -713,10 +713,10 @@ void Aquamarine::CDRMBackend::scanConnectors() {
 
         conn->status = drmConn->connection;
 
-        if (!conn->crtc) {
-            backend->log(AQ_LOG_DEBUG, std::format("drm: Ignoring connector {} because it has no CRTC", connectorID));
-            continue;
-        }
+        // if (!conn->crtc) {
+        //     backend->log(AQ_LOG_DEBUG, std::format("drm: Ignoring connector {} because it has no CRTC", connectorID));
+        //     continue;
+        // }
 
         backend->log(AQ_LOG_DEBUG, std::format("drm: Connector {} connection state: {}", connectorID, (int)drmConn->connection));
 
@@ -1163,7 +1163,7 @@ void Aquamarine::SDRMConnector::connect(drmModeConnector* connector) {
         return;
     }
 
-    backend->backend->log(AQ_LOG_DEBUG, std::format("drm: Connecting connector {}, CRTC ID {}", szName, crtc ? crtc->id : -1));
+    backend->backend->log(AQ_LOG_DEBUG, std::format("drm: Connecting connector {}, {}", szName, crtc ? std::format("CRTC ID {}", crtc->id) : "no CRTC"));
 
     output            = SP<CDRMOutput>(new CDRMOutput(szName, backend, self.lock()));
     output->self      = output;
@@ -1197,8 +1197,6 @@ void Aquamarine::SDRMConnector::connect(drmModeConnector* connector) {
 
             //uint64_t modeID = 0;
             // getDRMProp(backend->gpu->fd, crtc->id, crtc->props.mode_id, &modeID);
-
-            crtc->refresh = calculateRefresh(drmMode);
         }
 
         backend->backend->log(AQ_LOG_DEBUG,
@@ -1206,10 +1204,8 @@ void Aquamarine::SDRMConnector::connect(drmModeConnector* connector) {
                                           aqMode->preferred ? " (preferred)" : ""));
     }
 
-    if (!currentModeInfo && fallbackMode) {
+    if (!currentModeInfo && fallbackMode)
         output->state->setMode(fallbackMode);
-        crtc->refresh = calculateRefresh(fallbackMode->modeInfo.value());
-    }
 
     output->physicalSize = {(double)connector->mmWidth, (double)connector->mmHeight};