amdgpu: expose the PCI revision ID

The PCI revision ID can be used to differentiate ASICs.

Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>

diff --git a/amdgpu/amdgpu.h b/amdgpu/amdgpu.h
index 06020d9..a90c1ac 100644 (file)
--- a/amdgpu/amdgpu.h
+++ b/amdgpu/amdgpu.h
@@ -466,6 +466,8 @@ struct amdgpu_gpu_info {
        uint32_t ce_ram_size;
        /* vce harvesting instance */
        uint32_t vce_harvest_config;
+       /* PCI revision ID */
+       uint32_t pci_rev_id;
 };
 
 

diff --git a/amdgpu/amdgpu_gpu_info.c b/amdgpu/amdgpu_gpu_info.c
index 41679b6..16a463e 100644 (file)
--- a/amdgpu/amdgpu_gpu_info.c
+++ b/amdgpu/amdgpu_gpu_info.c
@@ -162,6 +162,7 @@ int amdgpu_query_gpu_info_init(amdgpu_device_handle dev)
        dev->info.vram_bit_width = dev->dev_info.vram_bit_width;
        dev->info.ce_ram_size = dev->dev_info.ce_ram_size;
        dev->info.vce_harvest_config = dev->dev_info.vce_harvest_config;
+       dev->info.pci_rev_id = dev->dev_info.pci_rev;
 
        for (i = 0; i < (int)dev->info.num_shader_engines; i++) {
                unsigned instance = (i << AMDGPU_INFO_MMR_SE_INDEX_SHIFT) |