GPU (Linux): fix an issue which vram_usage is bigger t han vram_visible

CarterLi · CarterLi · commit 68fd21d0e460 · 2025-06-19T22:00:48.000+08:00
diff --git a/src/detection/gpu/gpu_drm.c b/src/detection/gpu/gpu_drm.c
@@ -47,9 +47,10 @@ const char* ffDrmDetectRadeon(const FFGPUOptions* options, FFGPUResult* gpu, con
     if (options->driverSpecific)
     {
         struct drm_radeon_gem_info gemInfo;
-        if (ioctl(fd, DRM_IOCTL_RADEON_GEM_INFO, &gemInfo) >= 0 && gemInfo.vram_visible > 0)
+        if (ioctl(fd, DRM_IOCTL_RADEON_GEM_INFO, &gemInfo) >= 0)
         {
-            gpu->dedicated.total = gemInfo.vram_visible;
+            // vram_usage can be bigger than vram_usage, so we use vram_size here
+            gpu->dedicated.total = gemInfo.vram_size;
             gpu->shared.total = gemInfo.gart_size;
 
             uint64_t memSize;

Original file line number	Diff line number	Diff line change
`@@ -47,9 +47,10 @@ const char* ffDrmDetectRadeon(const FFGPUOptions* options, FFGPUResult* gpu, con`
`47`	`47`	`if (options->driverSpecific)`
`48`	`48`	`{`
`49`	`49`	`struct drm_radeon_gem_info gemInfo;`
`50`		`- if (ioctl(fd, DRM_IOCTL_RADEON_GEM_INFO, &gemInfo) >= 0 && gemInfo.vram_visible > 0)`
	`50`	`+ if (ioctl(fd, DRM_IOCTL_RADEON_GEM_INFO, &gemInfo) >= 0)`
`51`	`51`	`{`
`52`		`- gpu->dedicated.total = gemInfo.vram_visible;`
	`52`	`+ // vram_usage can be bigger than vram_usage, so we use vram_size here`
	`53`	`+ gpu->dedicated.total = gemInfo.vram_size;`
`53`	`54`	`gpu->shared.total = gemInfo.gart_size;`
`54`	`55`
`55`	`56`	`uint64_t memSize;`