Re: [PATCH 1/2] drm/amdgpu: introduce a kind of halt state for amdgpu device

2021-12-10 Thread Andrey Grodzovsky
On 2021-12-09 10:47 p.m., Lang Yu wrote: On 12/09/ , Christian KKKnig wrote: Am 09.12.21 um 16:38 schrieb Andrey Grodzovsky: On 2021-12-09 4:00 a.m., Christian König wrote: Am 09.12.21 um 09:49 schrieb Lang Yu: It is useful to maintain error context when debugging SW/FW issues. We introduc

Re: [PATCH 1/2] drm/amdgpu: introduce a kind of halt state for amdgpu device

2021-12-09 Thread Christian König
Am 09.12.21 um 16:38 schrieb Andrey Grodzovsky: On 2021-12-09 4:00 a.m., Christian König wrote: Am 09.12.21 um 09:49 schrieb Lang Yu: It is useful to maintain error context when debugging SW/FW issues. We introduce amdgpu_device_halt() for this purpose. It will bring hardware to a kind of ha

Re: [PATCH 1/2] drm/amdgpu: introduce a kind of halt state for amdgpu device

2021-12-09 Thread Andrey Grodzovsky
On 2021-12-09 4:00 a.m., Christian König wrote: Am 09.12.21 um 09:49 schrieb Lang Yu: It is useful to maintain error context when debugging SW/FW issues. We introduce amdgpu_device_halt() for this purpose. It will bring hardware to a kind of halt state, so that no one can touch it any more.

Re: [PATCH 1/2] drm/amdgpu: introduce a kind of halt state for amdgpu device

2021-12-09 Thread Christian König
Am 09.12.21 um 09:49 schrieb Lang Yu: It is useful to maintain error context when debugging SW/FW issues. We introduce amdgpu_device_halt() for this purpose. It will bring hardware to a kind of halt state, so that no one can touch it any more. Compare to a simple hang, the system will keep st

[PATCH 1/2] drm/amdgpu: introduce a kind of halt state for amdgpu device

2021-12-09 Thread Lang Yu
It is useful to maintain error context when debugging SW/FW issues. We introduce amdgpu_device_halt() for this purpose. It will bring hardware to a kind of halt state, so that no one can touch it any more. Compare to a simple hang, the system will keep stable at least for SSH access. Then it shoul