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drm/amdgpu: store ib info for devcoredump

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Store the basic state of IBs so we can read it back in the
amdgpu_devcoredump_format function.

Signed-off-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Pierre-Eric Pelloux-Prayer
2026-02-04 14:05:07 +01:00
committed by Alex Deucher
parent 1b135c6da0
commit 32ab301b89
2 changed files with 20 additions and 1 deletions
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12
drivers/gpu/drm/amd/amdgpu/amdgpu_dev_coredump.c
View File

@@ -401,6 +401,7 @@ void amdgpu_coredump(struct amdgpu_device *adev, bool skip_vram_check,
{
struct drm_device *dev = adev_to_drm(adev);
struct amdgpu_coredump_info *coredump;
size_t size = sizeof(*coredump);
struct drm_sched_job *s_job;
u64 total_ring_size, ring_count;
struct amdgpu_ring *ring;
@@ -410,12 +411,16 @@ void amdgpu_coredump(struct amdgpu_device *adev, bool skip_vram_check,
if (work_pending(&adev->coredump_work))
return;
coredump = kzalloc_obj(*coredump, GFP_NOWAIT);
if (job && job->pasid)
size += sizeof(struct amdgpu_coredump_ib_info) * job->num_ibs;
coredump = kzalloc(size, GFP_NOWAIT);
if (!coredump)
return;
coredump->skip_vram_check = skip_vram_check;
coredump->reset_vram_lost = vram_lost;
coredump->pasid = job->pasid;
if (job && job->pasid) {
struct amdgpu_task_info *ti;
@@ -425,6 +430,11 @@ void amdgpu_coredump(struct amdgpu_device *adev, bool skip_vram_check,
coredump->reset_task_info = *ti;
amdgpu_vm_put_task_info(ti);
}
coredump->num_ibs = job->num_ibs;
for (i = 0; i < job->num_ibs; ++i) {
coredump->ibs[i].gpu_addr = job->ibs[i].gpu_addr;
coredump->ibs[i].ib_size_dw = job->ibs[i].length_dw;
}
}
if (job) {

9
drivers/gpu/drm/amd/amdgpu/amdgpu_dev_coredump.h
View File

@@ -38,6 +38,11 @@ struct amdgpu_coredump_ring {
u32 offset;
};
struct amdgpu_coredump_ib_info {
uint64_t gpu_addr;
u32 ib_size_dw;
};
struct amdgpu_coredump_info {
struct amdgpu_device *adev;
struct amdgpu_task_info reset_task_info;
@@ -56,6 +61,10 @@ struct amdgpu_coredump_info {
*/
ssize_t formatted_size;
char *formatted;
unsigned int pasid;
int num_ibs;
struct amdgpu_coredump_ib_info ibs[] __counted_by(num_ibs);
};
#endif