From 2656e1ce783a90fa1aa0e11f2915d7c0442bf06f Mon Sep 17 00:00:00 2001 From: Eric Huang Date: Mon, 3 Jun 2024 11:56:03 -0400 Subject: drm/amdgpu: add reset sources in gpu reset context reset source or reset cause is very useful info for reset context, it will be used by events API. Suggested-by: Lijo Lazar Signed-off-by: Eric Huang Reviewed-by: Lijo Lazar Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c | 34 +++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c index bfdde772b7ee..9deb41d61e8d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c @@ -160,3 +160,37 @@ void amdgpu_device_unlock_reset_domain(struct amdgpu_reset_domain *reset_domain) atomic_set(&reset_domain->in_gpu_reset, 0); up_write(&reset_domain->sem); } + +void amdgpu_reset_get_desc(struct amdgpu_reset_context *rst_ctxt, char *buf, + size_t len) +{ + struct amdgpu_ring *ring; + + if (!buf || !len) + return; + + switch (rst_ctxt->src) { + case AMDGPU_RESET_SRC_JOB: + if (rst_ctxt->job) { + ring = amdgpu_job_ring(rst_ctxt->job); + snprintf(buf, len, "job hang on ring:%s", ring->name); + } else { + strscpy(buf, "job hang", len); + } + break; + case AMDGPU_RESET_SRC_RAS: + strscpy(buf, "RAS error", len); + break; + case AMDGPU_RESET_SRC_MES: + strscpy(buf, "MES hang", len); + break; + case AMDGPU_RESET_SRC_HWS: + strscpy(buf, "HWS hang", len); + break; + case AMDGPU_RESET_SRC_USER: + strscpy(buf, "user trigger", len); + break; + default: + strscpy(buf, "unknown", len); + } +} -- cgit