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| author | Lijo Lazar <lijo.lazar@amd.com> | 2025-08-28 10:20:09 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-09-06 00:38:40 +0300 |
| commit | d6fa8026617896c23cb165f09f1c1d32fe22a3df (patch) | |
| tree | 658fe646f48c934abea5b740d3478d1750701fab /drivers/gpu/drm/amd/amdgpu/atom.h | |
| parent | c5f4fb40584ee591da9fa090c6f265d11cbb1acf (diff) | |
| download | linux-d6fa8026617896c23cb165f09f1c1d32fe22a3df.tar.xz | |
drm/amdgpu: Add vbios build number interface
Fetch VBIOS build number from atom rom image. Add a sysfs interface to
read the build number.
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/atom.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/atom.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/atom.h b/drivers/gpu/drm/amd/amdgpu/atom.h index b807f6639a4c..825ff28731f5 100644 --- a/drivers/gpu/drm/amd/amdgpu/atom.h +++ b/drivers/gpu/drm/amd/amdgpu/atom.h @@ -37,6 +37,7 @@ struct drm_device; #define ATOM_ROM_MAGIC "ATOM" #define ATOM_ROM_MAGIC_PTR 4 +#define ATOM_ROM_CFG_PTR 0xC #define ATOM_ROM_MSG_PTR 0x10 #define ATOM_ROM_CMD_PTR 0x1E #define ATOM_ROM_DATA_PTR 0x20 @@ -151,6 +152,7 @@ struct atom_context { uint32_t version; uint8_t vbios_ver_str[STRLEN_NORMAL]; uint8_t date[STRLEN_NORMAL]; + uint8_t build_num[STRLEN_NORMAL]; }; extern int amdgpu_atom_debug; |