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GPU (Linux / FreeBSD): add DRM detection support for old radeon driver

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Ref: #1810
This commit is contained in:
Carter Li
2025-06-18 16:37:04 +08:00
parent 8559cc45eb
commit 6917f9479e
4 changed files with 80 additions and 31 deletions
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src/detection/gpu/gpu_drm.c
+38
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@@ -12,6 +12,44 @@
#include "intel_drm.h"
#include "asahi_drm.h"
#include <radeon_drm.h>
const char* ffDrmDetectRadeon(const FFGPUOptions* options, FFGPUResult* gpu, const char* renderPath)
{
FF_AUTO_CLOSE_FD int fd = open(renderPath, O_RDONLY);
if (fd < 0) return "Failed to open DRM render device";
struct drm_radeon_info info;
info.request = RADEON_INFO_ACTIVE_CU_COUNT;
if (ioctl(fd, DRM_IOCTL_RADEON_INFO, &info) >= 0)
gpu->coreCount = (int32_t) info.value;
if (options->temp)
{
info.request = RADEON_INFO_CURRENT_GPU_TEMP; // millidegrees C
if (ioctl(fd, DRM_IOCTL_RADEON_INFO, &info) >= 0)
gpu->temperature = (double) info.value / 1000.0;
}
info.request = RADEON_INFO_MAX_SCLK; // MHz
if (ioctl(fd, DRM_IOCTL_RADEON_INFO, &info) >= 0)
gpu->frequency = (uint32_t) (info.value / 1000u);
struct drm_radeon_gem_info gemInfo;
if (ioctl(fd, DRM_IOCTL_RADEON_GEM_INFO, &gemInfo) >= 0 && gemInfo.vram_visible > 0)
{
gpu->type = FF_GPU_TYPE_DISCRETE;
if (options->driverSpecific)
{
gpu->dedicated.total = gemInfo.vram_visible;
info.request = RADEON_INFO_VRAM_USAGE;
if (ioctl(fd, DRM_IOCTL_RADEON_INFO, &info) >= 0)
gpu->dedicated.used = info.value;
}
}
return NULL;
}
#ifdef FF_HAVE_DRM_AMDGPU
#include <amdgpu.h>