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path: root/drivers/gpu/drm/amd/amdgpu/atom.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/atom.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/atom.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/atom.c b/drivers/gpu/drm/amd/amdgpu/atom.c
index 427b073de2fc..1c994d0cc50b 100644
--- a/drivers/gpu/drm/amd/amdgpu/atom.c
+++ b/drivers/gpu/drm/amd/amdgpu/atom.c
@@ -1494,6 +1494,27 @@ static void atom_get_vbios_version(struct atom_context *ctx)
}
}
+static void atom_get_vbios_build(struct atom_context *ctx)
+{
+ unsigned char *atom_rom_hdr;
+ unsigned char *str;
+ uint16_t base;
+
+ base = CU16(ATOM_ROM_TABLE_PTR);
+ atom_rom_hdr = CSTR(base);
+
+ str = CSTR(CU16(base + ATOM_ROM_CFG_PTR));
+ /* Skip config string */
+ while (str < atom_rom_hdr && *str++)
+ ;
+ /* Skip change list string */
+ while (str < atom_rom_hdr && *str++)
+ ;
+
+ if ((str + STRLEN_NORMAL) < atom_rom_hdr)
+ strscpy(ctx->build_num, str, STRLEN_NORMAL);
+}
+
struct atom_context *amdgpu_atom_parse(struct card_info *card, void *bios)
{
int base;
@@ -1554,6 +1575,7 @@ struct atom_context *amdgpu_atom_parse(struct card_info *card, void *bios)
atom_get_vbios_pn(ctx);
atom_get_vbios_date(ctx);
atom_get_vbios_version(ctx);
+ atom_get_vbios_build(ctx);
return ctx;
}