From 1c5179d3b04358ece32da9a4b8b14aa27fd24b9e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9D=8E=E9=80=9A=E6=B4=B2?= <zhangsongcui3371@sina.com>
Date: Wed, 20 Dec 2023 22:19:15 +0800
Subject: [PATCH] GPU (Intel): actually detect real time clock frequency

---
 src/detection/gpu/gpu_intel.c | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/src/detection/gpu/gpu_intel.c b/src/detection/gpu/gpu_intel.c
index 4b67c6eb3..b41d6e8ae 100644
--- a/src/detection/gpu/gpu_intel.c
+++ b/src/detection/gpu/gpu_intel.c
@@ -176,7 +176,25 @@ const char* ffDetectIntelGpuInfo(const FFGpuDriverCondition* cond, FFGpuDriverRe
     }
 
     if (result.frequency)
-        *result.frequency = properties.Frequency / 1000.;
+    {
+        ctl_freq_handle_t freqs[16];
+        uint32_t freqCount = sizeof(freqs) / sizeof(freqs[0]);
+        if (igclData.ffctlEnumFrequencyDomains(device, &freqCount, freqs) == CTL_RESULT_SUCCESS && freqCount > 0)
+        {
+            double sumValue = 0;
+            uint32_t availableCount = 0;
+            for (uint32_t iFreq = 0; iFreq < freqCount; iFreq++)
+            {
+                ctl_freq_state_t state = { .Size = sizeof(state), .Version = 0 };
+                if (igclData.ffctlFrequencyGetState(freqs[iFreq], &state) == CTL_RESULT_SUCCESS)
+                {
+                    sumValue += state.actual;
+                    availableCount++;
+                }
+            }
+            *result.frequency = (sumValue / availableCount) / 1000.;
+        }
+    }
 
     return NULL;
 }