diff options
| author | Yong Zhao <yong.zhao@amd.com> | 2018-07-11 22:33:05 -0400 |
|---|---|---|
| committer | Oded Gabbay <oded.gabbay@gmail.com> | 2018-07-11 22:33:05 -0400 |
| commit | 0e9a860c72ec387140a0feb4b8d9a6d0004e9316 (patch) | |
| tree | 4b3df7d853733bfd541427fdbff2f956310dde55 /drivers/gpu/drm/amd/amdkfd/kfd_module.c | |
| parent | a29ec470b19e58044005973301f233e0b20ed8c4 (diff) | |
drm/amdkfd: Introduce KFD module parameter halt_if_hws_hang
This avoids triggering a GPU reset or otherwise changing the HW
state. Instead KFD will hang, which allows HW debugging tools to
analyze the problem.
Signed-off-by: Yong Zhao <yong.zhao@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_module.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_module.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_module.c b/drivers/gpu/drm/amd/amdkfd/kfd_module.c index ee7bf07db472..3a8c15ad0c64 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_module.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_module.c @@ -92,6 +92,10 @@ MODULE_PARM_DESC(noretry, static int amdkfd_init_completed; +int halt_if_hws_hang; +module_param(halt_if_hws_hang, int, 0644); +MODULE_PARM_DESC(halt_if_hws_hang, "Halt if HWS hang is detected (0 = off (default), 1 = on)"); + int kgd2kfd_init(unsigned int interface_version, const struct kgd2kfd_calls **g2f) { |