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drm/amdgpu: Add logic for VF ipd and VF bios to init from dynamic crit_region offsets

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1. Added VF logic in amdgpu_virt to init IP discovery using the offsets from dynamic(v2) critical regions;
2. Added VF logic in amdgpu_virt to init bios image using the offsets from dynamic(v2) critical regions;

Signed-off-by: Ellen Pan <yunru.pan@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Ellen Pan
2025-10-07 11:12:39 -05:00
committed by Alex Deucher
parent 13ccaa8443
commit b4a8fcc782
4 changed files with 85 additions and 14 deletions
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37
drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
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@@ -1008,6 +1008,14 @@ int amdgpu_virt_init_critical_region(struct amdgpu_device *adev)
init_data_hdr->bad_page_size_in_kb;
}
/* Validation for critical region info */
if (adev->virt.crit_regn_tbl[AMD_SRIOV_MSG_IPD_TABLE_ID].size_kb > DISCOVERY_TMR_SIZE) {
dev_err(adev->dev, "Invalid IP discovery size: 0x%x\n",
adev->virt.crit_regn_tbl[AMD_SRIOV_MSG_IPD_TABLE_ID].size_kb);
r = -EINVAL;
goto out;
}
/* reserved memory starts from crit region base offset with the size of 5MB */
adev->mman.fw_vram_usage_start_offset = adev->virt.crit_regn.offset;
adev->mman.fw_vram_usage_size = adev->virt.crit_regn.size_kb << 10;
@@ -1026,6 +1034,35 @@ out:
return r;
}
int amdgpu_virt_get_dynamic_data_info(struct amdgpu_device *adev,
int data_id, uint8_t *binary, uint64_t *size)
{
uint32_t data_offset = 0;
uint32_t data_size = 0;
enum amd_sriov_msg_table_id_enum data_table_id = data_id;
if (data_table_id >= AMD_SRIOV_MSG_MAX_TABLE_ID)
return -EINVAL;
data_offset = adev->virt.crit_regn_tbl[data_table_id].offset;
data_size = adev->virt.crit_regn_tbl[data_table_id].size_kb << 10;
/* Validate on input params */
if (!binary || !size || *size < (uint64_t)data_size)
return -EINVAL;
/* Proceed to copy the dynamic content */
amdgpu_device_vram_access(adev,
(uint64_t)data_offset, (uint32_t *)binary, data_size, false);
*size = (uint64_t)data_size;
dev_dbg(adev->dev,
"Got %s info from dynamic crit_region_table at offset 0x%x with size of 0x%x bytes.\n",
amdgpu_virt_dynamic_crit_table_name[data_id], data_offset, data_size);
return 0;
}
void amdgpu_virt_init(struct amdgpu_device *adev)
{
bool is_sriov = false;