Re: [PATCH libdrm 1/2] xf86drm: fallback to DRIVER uevent entry when OF_FULLNAME fails

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On Thu, 18 Oct 2018 at 21:07, Christian Gmeiner
<christian.gmeiner@xxxxxxxxx> wrote:
>
> Signed-off-by: Christian Gmeiner <christian.gmeiner@xxxxxxxxx>
> ---
>  xf86drm.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/xf86drm.c b/xf86drm.c
> index 10df682b..4ee1337b 100644
> --- a/xf86drm.c
> +++ b/xf86drm.c
> @@ -3516,6 +3516,8 @@ static int drmParsePlatformBusInfo(int maj, int min, drmPlatformBusInfoPtr info)
>      snprintf(path, sizeof(path), "/sys/dev/char/%d:%d/device", maj, min);
>
>      name = sysfs_uevent_get(path, "OF_FULLNAME");
> +    if (!name)
> +        name = sysfs_uevent_get(path, "DRIVER");

This workaround will work for etnaviv, but not for all platform devices.
Personally, I'd recommend reverting the Mesa patch for now... I'm
checking with some kernel-savvy people how we can resolve thing
properly.

-Emil
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