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drm/amdgpu: include ip discovery data in devcoredump

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This is the best way to describe the GPU to a tool loading
the devcoredump.

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 2025-12-02 14:27:24 +01:00 committed by Alex Deucher
parent 4e22a5fe6e
commit e81eff80aa
3 changed files with 47 additions and 0 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_dev_coredump.c
View File

@ -261,6 +261,8 @@ amdgpu_devcoredump_read(char *buffer, loff_t offset, size_t count,
}
}
amdgpu_discovery_dump(coredump->adev, &p);
/* IP firmware information */
drm_printf(&p, "\nIP Firmwares\n");
amdgpu_devcoredump_fw_info(coredump->adev, &p);

42
drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
View File

@ -1379,6 +1379,48 @@ static void amdgpu_discovery_sysfs_fini(struct amdgpu_device *adev)
kobject_put(&ip_top->kobj);
}
/* devcoredump support */
void amdgpu_discovery_dump(struct amdgpu_device *adev, struct drm_printer *p)
{
struct ip_discovery_top *ip_top = adev->discovery.ip_top;
struct ip_die_entry *ip_die_entry;
struct list_head *el_die, *el_hw_id, *el_hw_inst;
struct ip_hw_id *hw_id;
struct kset *die_kset;
struct ip_hw_instance *ip_inst;
int i = 0, j;
die_kset = &ip_top->die_kset;
drm_printf(p, "\nHW IP Discovery\n");
spin_lock(&die_kset->list_lock);
list_for_each(el_die, &die_kset->list) {
drm_printf(p, "die %d\n", i++);
ip_die_entry = to_ip_die_entry(list_to_kobj(el_die));
list_for_each(el_hw_id, &ip_die_entry->ip_kset.list) {
hw_id = to_ip_hw_id(list_to_kobj(el_hw_id));
drm_printf(p, "hw_id %d %s\n", hw_id->hw_id, hw_id_names[hw_id->hw_id]);
list_for_each(el_hw_inst, &hw_id->hw_id_kset.list) {
ip_inst = to_ip_hw_instance(list_to_kobj(el_hw_inst));
drm_printf(p, "\tinstance %d\n", ip_inst->num_instance);
drm_printf(p, "\tmajor %d\n", ip_inst->major);
drm_printf(p, "\tminor %d\n", ip_inst->minor);
drm_printf(p, "\trevision %d\n", ip_inst->revision);
drm_printf(p, "\tharvest 0x%01X\n", ip_inst->harvest);
drm_printf(p, "\tnum_base_addresses %d\n",
ip_inst->num_base_addresses);
for (j = 0; j < ip_inst->num_base_addresses; j++)
drm_printf(p, "\tbase_addr[%d] 0x%08X\n",
j, ip_inst->base_addr[j]);
}
}
}
spin_unlock(&die_kset->list_lock);
}
/* ================================================== */
static int amdgpu_discovery_reg_base_init(struct amdgpu_device *adev)

3
drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.h
View File

@ -30,6 +30,7 @@
#define DISCOVERY_TMR_OFFSET (64 << 10)
struct ip_discovery_top;
struct drm_printer;
struct amdgpu_discovery_info {
struct debugfs_blob_wrapper debugfs_blob;
@ -47,4 +48,6 @@ int amdgpu_discovery_get_nps_info(struct amdgpu_device *adev,
struct amdgpu_gmc_memrange **ranges,
int *range_cnt, bool refresh);
void amdgpu_discovery_dump(struct amdgpu_device *adev, struct drm_printer *p);
#endif /* __AMDGPU_DISCOVERY__ */