Don't wake the GPU if the SYNCOBJ_CREATE/DESTROY/WAIT ioctls are used to detect syncobj features before the GPU is powered up.
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/2295 Signed-off-by: Philipp Zabel <philipp.za...@gmail.com> --- drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index 79d31ac6a7b37..b12342e917193 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -2981,6 +2981,14 @@ long amdgpu_drm_ioctl(struct file *filp, } } + if (wake && unlikely(!fpriv->initialized)) { + /* Allow syncobj feature detection before GPU wakeup */ + if (cmd == DRM_IOCTL_SYNCOBJ_CREATE || + cmd == DRM_IOCTL_SYNCOBJ_DESTROY || + cmd == DRM_IOCTL_SYNCOBJ_WAIT) + wake = false; + } + dev = file_priv->minor->dev; if (wake) { ret = pm_runtime_get_sync(dev->dev); -- 2.50.1
