_ATOM_VRAM_USAGE_BY_FIRMWARE
struct _ATOM_VRAM_USAGE_BY_FIRMWARE *firmware_usage;
firmware_usage = (struct _ATOM_VRAM_USAGE_BY_FIRMWARE *)(ctx->bios + data_offset);
struct _ATOM_VRAM_USAGE_BY_FIRMWARE *firmware_usage;
firmware_usage = (struct _ATOM_VRAM_USAGE_BY_FIRMWARE *)(ctx->bios + data_offset);