Re: [PATCH] drm/amdgpu: Add an extra evict_resource call during device_suspend.

[Christian König]

Am 08.12.22 um 12:55 schrieb Shikang Fan:

- evict_resource is taking too long causing sriov full access mode timeout.
   So, add an extra evict_resource in the beginning as an early evict.

Signed-off-by: Shikang Fan <shikang....@amd.com>

Reviewed-by: Christian König <christian.koe...@amd.com>

---
  drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 5 +++++
  1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 818fa72c670d..b76e8fdfd266 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -4111,6 +4111,11 @@ int amdgpu_device_suspend(struct drm_device *dev, bool 
fbcon)

adev->in_suspend = true; + /* Evict the majority of BOs before grabbing the full access */

+       r = amdgpu_device_evict_resources(adev);
+       if (r)
+               return r;
+
        if (amdgpu_sriov_vf(adev)) {
                amdgpu_virt_fini_data_exchange(adev);
                r = amdgpu_virt_request_full_gpu(adev, false);