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lavu/hwcontext_vaapi: ignore nonexistent device in default DRM device selection 

It is possible that renderD128 doesn't exist but renderD129 is
available in a system (see [1]). This change can make sure the default
DRM device selection works even if renderD128 doesn't exist.

[1] https://github.com/intel/intel-device-plugins-for-kubernetes/blob/main/cmd/gpu_plugin/README.md#issues-with-media-workloads-on-multi-gpu-setups

Signed-off-by: Haihao Xiang <haihao.xiang@intel.com>
This commit is contained in:
Haihao Xiang 2023-11-28 13:38:09 +08:00
parent 9e74c7ae87
commit d36d9994e4
1 changed files with 13 additions and 2 deletions
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15
libavutil/hwcontext_vaapi.c
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@ -1733,8 +1733,19 @@ static int vaapi_device_create(AVHWDeviceContext *ctx, const char *device,
"/dev/dri/renderD%d", 128 + n);
priv->drm_fd = open(path, O_RDWR);
if (priv->drm_fd < 0) {
av_log(ctx, AV_LOG_VERBOSE, "Cannot open "
"DRM render node for device %d.\n", n);
if (errno == ENOENT) {
if (n != max_devices - 1) {
av_log(ctx, AV_LOG_VERBOSE,
"No render device %s, try next device for "
"DRM render node.\n", path);
continue;
}
av_log(ctx, AV_LOG_VERBOSE, "No available render device "
"for DRM render node.\n");
} else
av_log(ctx, AV_LOG_VERBOSE, "Cannot open "
"DRM render node for device %d.\n", n);
break;
}
#if CONFIG_LIBDRM