From d6fa8026617896c23cb165f09f1c1d32fe22a3df Mon Sep 17 00:00:00 2001 From: Lijo Lazar Date: Thu, 28 Aug 2025 12:50:09 +0530 Subject: 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 Acked-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/atom.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/atom.h') 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; -- cgit v1.2.3